Virtual Manipulatives (Glencoe) - All standards - Site provides a suite of manipulatives that can be used on the whiteboard or projected from a computer. Manipulatives include algebra tiles, attribute blocks, attribute buttons, base ten blocks, bears in a boat, bucket balance, calendar, centimeter cubes, clock, color tiles, connecting cubes, currency, fraction circles, fraction tiles, game pieces, geoboard/bands, geometric solids, hundred chart, number cubes, number line, pattern blocks, spinner, tangrams, thermometer (simple and one with more calibrations), and two-color counters.
Venn Diagram Shape Sorter - 2.G.1 This interactive could be a center as an extension for students who have already mastered this standard. Three types of Venn diagrams are available: a single circle, two non-overlapping circles, and two overlapping circles. Play option 1: Student sets the rule for each circle and then has to move shapes from those available into the correct positions. Play option 2: In Guess the Rule, the computer sets the rule, and the student has to move pieces into the circle(s) to try to determine what the rule is. Moves are scored.
Value that Number! Place Value Games - NBT.1 & NBT.2 Several learning games (primarily partner games) are provided to facilitate rehearsal of the place value standards.
Using the Rekenrek for Strategic Reasoning in Math - Booklet providing teacher professional learning and student activities using the rekenrek as a reasoning tool to anchor numbers to benchmarks of 5 and 10. (Addresses 2.OA.2)
Using Student Height as Data for Line Plot - MD.9 Learnzillion lesson plan with embedded video that uses student height gathered by the students themselves as the data for a line plot. Supplemental resources are included.
Using P.E. data to interpret and compare on a bar graph - MD.10 Children use data from a group of children in P.E. to interpret and compare data displayed on a bar graph. They also create bar graphs to match a data set. A video lesson is embedded in the lesson plan.
Use addition or subtraction to find the difference - 2.NBT.7, 2.NBT.9 Lesson plan with embedded video and formative assessment to address the relationship between addition and subtraction and how that relationship can be used to find the difference between two numbers.
Understand that whole numbers can be shown as lengths on the number line - MD.6 Learnzillion lesson plan that explores the use of number lines to display lengths. This could be used as a thorough introductory activity. Embedded video and practice problems are included.
Understand coin values by counting mixed groups of coins - MD.8 Learnzillion lesson plan to explore identifying and counting values of coins. Embedded practice problems and video lesson.
Tracing and Drawing - 2.G.1 In this lesson, children discuss attributes of triangles. They trace and draw triangles, recognize objects in their environment that are shaped like triangles, and explain how they recognized the shape.
Toll Bridge Puzzle to Practice Addition of 2-Digit Numbers - NBT.6 Critical thinking activity that relies on addition of 2-digit numbers. Be sure to read comments for differentiation suggestions.
Three Sides - 2.G.1 This lesson focuses on various types of triangles to dispel the notion that triangles are the ones most often seen in texts - equilateral triangles resting on one side. Complete lesson plan with activities, questions, assessments, extensions, reflection, and related resources.
Three composing/decomposing problems - Task for 2.NBT.1 from Illustrative Mathematics to help students understand composing and decomposing ones, tens, and hundreds using base ten blocks
Thinking Blocks: Addition and Subtraction Practice - 2.OA.1 Interactive practice for addition and subtraction allows students to use tape diagrams (bar models) as tools for representing and solving various types of addition and subtraction problems as indicated in Table 1 of the GSE Math Glossary.
Ten $10s Make $100 - Task for 2.NBT.1 from Illustrative Mathematics using money to understand place value by bundling dollars (rather than coins)
Tangrams - 2.G.1 Student selects a puzzle shape and moves the tangram pieces to fit the shape without overlaps, gaps, or extensions. Work with tangrams helps reinforce attributes of shapes not related to orientation. Site requires Java to run; Java is not supported by the Chrome browser.
Subtraction-Strategies in Action! - NBT.5, NBT.7 Small group activities to explore and practice subtraction strategies.
Space Invaders - 2.G.1 Game requires students to identify (and blast) all the shapes that appear that are not the shape tasked with saving.
Solid Patterns - 2.G.1 Interactive provides explanation of features of 2- and 3-D figures and requires children to provide responses, but the technology used has been surpassed by what children today use regularly.
Shoe Sizes on a Line Plot - MD.9 Learnzillion lesson plan on measuring shoe sizes and putting the data on a line plot. A video and other supplemental resources are included.
Shape Song - 2.G.1 The video is a fun song about shapes and provides many examples. The song does mention "diamond" as a shape, which needs to be corrected with students. Because it is on YouTube, the video may have a pop-up ad when it begins, but the ad can be closed quickly.
Shapes and Poetry - 2.G.1 NCTM Illuminations lesson based on Shel Silverstein's poem "Shapes" has students create their own illustration of the poem. Students explore geometric figures and positional words.
Shapes (Sides, Vertices, and Edges) - 2.G.1 Students are presented with a 2- or 3-D figure and asked to identify the number of sides, vertices, or edges. Student gets immediate feedback in terms or "Correct" or "Sorry, try again". There are 10 figures. Refreshing the page reorders the same 10 shapes.
Shape Inlay - SMP 1 Student must fit shapes into a game board while being timed. The interactive builds student's spatial reasoning and logic skills while providing non-routine problem solving and requiring perseverance.
Shape Games - 2.G.1 Site offers interactive games that address shape and weight standards. Scroll down to find appropriate ones for this standard: Polygon Sort and 3-D Shape Match.
Sesame Street (Circle, Square, Triangle, Rectangle, Trapezoid, Pentagon, Hexagon, and Octagon) - 2.G.1 This 55-second video illustrates the shapes that are listed in its title. It could be used as a quick review of these shapes as the study of geometry begins.
Roll and Add 10 More 10 Less, 100 More, 100 Less - NBT.8 Simple partner game that can be used to rehearse adding and subtracting 10 and 100 from any number.
Represent Three Digit Numbers - NBT.1 Learnzillion lesson plan with embedded video.
Regrouping - Task for 2.NBT.1 from Illustrative Mathematics serves as a bridge between understanding place-value and using strategies based on place-value structure for addition
Quadrilateral Rap - 2.G.1 This video is an amusing, amateur production that uses a bobble-head to 'sing' a song about the definition of quadrilaterals.
Planar and Solid Shapes - 2.G.1 This site presents fourteen 2- and 3-D shapes to students who select the name of the shape from a drop-down list. When finished, the student can check his work. Any shape incorrectly identified is marked. Refreshing the page sorts the shapes in a different order.
Place Value Games from Mathwire - NBT.1 Four different place value games for practice are explained. Please be sure to scroll through all of them.
Place Value Games - NBT.1 Video of teacher practicing two place value games with her students. Games practice place value, comparing three digit numbers, and addition.
Pattern Block Lessons - 2.G.1, 2.G.3 This print resource contains two activities geared towards second grade with the other four activities aligned to geometry standards in kindergarten and first grade.
Party Favors - Task for 2.NBT.1 from Illustrative Mathematics which emphasizes the grouping structure of the base-ten number system, and in particular the crucial fact that 10 tens make 1 hundred
One, Ten, and One Hundred More and Less - Task for 2.NBT.1 from Illustrative Mathematics which acts as a bridge between understanding place value and using strategies based on place value for addition and subtraction
Numbers Away: Activities for Subtraction Strategies - NBT.7, NBT.9 This is a compilation of activities to rehearse the usage of subtraction strategies.
Number Flexibility: Using strategies for addition and subtraction - NBT.7, NBT.9 This lesson plan explains and rehearses a variety of strategis to solve problems using addition and subtraction.
Nonagons - They Might Be Giants - 2.G.1 The video is a song about various 2-D shapes including nonagons. Nonagon is not a required term in second grade, but this video includes information on lots of other 2-D figures that are part of standard 2.G.1. Because it is a YouTube video, a pop-up ad may overlay the bottom of the video at the beginning, but it can be closed quickly.
NBT.1 Place Value & Expanded Form - NBT.1 This activity uses "tents" to help students decompose three or four digit numbers and develop an understanding of expanded form.
Mystery Math...Constructing Word Problems - OA.1 Students work backwards to construct word problems to fit the answer that is provided. This activity can be used consistently throughout the year to include a variety of concepts.
Money! Money! Money! - Md.8 Collection of 10 activities to practice counting money. These activities can be used for instruction and rehearsal of this standard.
Measuring Length using a Student's Foot - MD.1, MD.3, MD.4 This is an activity from Illustrative Math that helps to expose children to three measurement and data standards about length. It could easily be used as part of an introductory lesson.
Measuring: A Complete Unit - MD.1, MD.2, MD.3, MD.4, MD.5 Downloadable pages to practice measurement. Rehearsal material that can be used for homework or independent practice.
Measure Plant Growth to Gather Data - 2.MD.9 Fully developed lesson on measuring plant growth to gather data with embedded video. Opportunity for cross-curricular connection with life cycles in science.
Measurement activities - A quick sample activity is offered for every measurement standard. These activities could be used as lesson activators or center activities.
Math Lingo - 2.G.1 Students play a Bingo-type game matching math terms to their representations. Only Units 3 and 4 address geometry terms. Some terms shown do not align with GSE expectations at second grade (e.g., rotation). Engaging activity would expose students to more terminology.
Math Cats' Math Crafts - 2.G.1 Site contains math craft ideas to help students learn concepts regarding 2- and 3-D shapes while using creativity.
Math: Add and subtract multiples of 10 from a given number by using mental math - NBT.8 Lesson plan with embedded video to add and subtract multiples of 10 from any number. A variety of strategies are explored including a number line and a hundreds chart.
Matching Fractions - 2.G.3 Students match fraction cards to their representations in order to complete each level and earn points.
Making a Ten Lesson - OA.2, NBT.5, NBT.9 Making a ten lesson plan with templates for student activities and video embedded.
Making 124 - Task for 2.NBT.1 from Illustrative Mathematics; should only be used with students who have had experiences using base ten blocks or have some base ten blocks on hand to use as they work through the task
Looking at Numbers Every Which Way - Task for 2.NBT.1 and 2.NBT.3 from Illustrative Mathematics which works with multiple representations of base-ten numbers
Let Us Eat Fruit! Draw bar graphs to answer questions - 2.MD.9 Lesson plan with embedded video to explore creating and reading bar graphs. Comparison of data is also included.
Lessons For Learning: For the Common Core State Math Standards Grade 2 - OA.1-4, NBT 1-9, MD 1-10, G.1-3 Collection of activities from North Carolina's Department of Public Education that addresses most of the second grade math standards. Activities are thoroughly explained and have all components included.
Largest Number Game - Task for 2.NBT.1 from Illustrative Mathematics for using place value to compare numbers
K-6 Progression on Geometry - Geometry standards K-6: Development of concepts in geometry and the progression of the standards are discussed in this document. It gives teachers detailed explanation of their grade-level geometry standards and explains how the work at their grade fits in the vertical progression.
K-5 Progression on Number and Operations in Base Ten - NBT standards K-5: Development of place value concepts and the progression of the standards are discussed in this document. It gives teachers detailed explanation of their grade-level NBT standards and explains how the work at their grade fits in the vertical progression.
K-5 Progression on Measurement and Data (Measurement) - Measurement standards K-5: Development of concepts in measurement and the progression of the standards are discussed in this document. It gives teachers detailed explanation of their grade-level Measurement and Data standards focused on measurement and explains how the work at their grade fits in the vertical progression.
K-5 Progression on Measurement and Data (Data) - Measurement standards K-5: Development of concepts in data and the progression of the standards are discussed in this document. It gives teachers detailed explanation of their grade-level Measurement and Data standards focused on data and explains how the work at their grade fits in the vertical progression.
K-5 Math Teaching Resources: Roll a Rectangular Array - 2.OA.4 In this activity, students roll dice to determine the number of rows and columns to build colored tile arrays. Students draw, describe, and write an equation for the array.
K-5 Math Teaching Resources: Making Different Sized Squares - 2.OA.4 In this activity, students use colored tiles to make different sized squares, record the squares on grid paper, and write an equation for each.
K-5 Math Teaching Resources: Even Steven and Odd Todd - 2.OA.3 This activity has a literature connection with “Even Steven and Odd Todd” by Kathryn Cristaldi. Partners decide who will be Even Steven and who will be Odd Todd. They take turns rolling dice to write equations and determine whether the total is even or odd. When the game is over, partners have to look for patterns with the addends for odd sums and for even sums.
K-5 Math Teaching Resources: Even Odd Scoop - 2.OA.3 In this activity, students use different sized spoons to scoop counters. They group the counters into pairs and show how many counters in all and whether the number is event or odd.
K-5 Math Teaching Resources: Count by Fives - 2.NBT.2 In this activity, partners take turns placing cards from their hand onto the game board to make a correct sequence. Students have to explain their thinking about why they chose the place to put each card.
K-5 Math Teaching Resources: Add To (Result Unknown) - 2.OA.1 Sixteen word problem cards are in the set. Students must write an equation, model the problem, and answer the question in a complete sentence for each card.
It's a Fact! Addition strategies practice activities - OA.2 Activities to provide rehearsal for a variety of addition strategies are presented.
Introduction to Fractions: Halves and Fourths - 2.G.3 Students identify how many parts of the whole comprise half or fourths. Incorrect responses receive a prompt to try again. Eleven practice items are provided. The work more closely aligns with first grade standards, but the practice could be used for intervention.
Inside Mathematics 2nd Grade Content Standards - All 2nd Grade math content standards - Organized by domain and then by standard are Problems of the Month (POMs), performance assessment tasks, and/or Dana Center Early Math Tasks. Some POMs are not written at second grade level.
Illustrative Mathematics: Red and Blue Tiles - 2.OA.3 This Illustrative Mathematics task is written so that students have opportunities to use different strategies to determine whether a set has an even or odd number of objects. The reading level may be above that of many second graders, so the teacher will need to verbally explain it.
Illustrative Mathematics: Partitioning a Rectangle into Unit Squares - 2.OA.4 The purpose of this Illustrative Mathematics task is show students that a rectangle can be partitioned into unit squares, and there are different ways to count the resulting squares. Suggestions for extensions are given.
How Much is a Noun Worth? Addition of 2-Digit Numbers - NBT.6 Cross-curricular activity that provides students with practice for categorizing nouns and adding three or more two-digit numbers.
GSE Grade 2 Math Unit 6 - 2.OA.3, 2.OA.4, 2.MD.10: Developing Multiplication
GSE Grade 2 Math Unit 5 - 2.G.1 - 2.G.3, 2.MD.10: Understanding Plane and Solid Figures
GSE Grade 2 Math Unit 4 - 2.NBT.6 - 2.NBT.9, 2.MD.8, 2.MD.10: Applying Base Ten Understanding
GSE Grade 2 Math Unit 3 - 2.MD.1 - 2.MD.7, 2.MD.9, 2.MD.10: Understanding Measurement, Length, and Time
GSE Grade 2 Math Unit 2 - 2.OA.1, 2.OA.2, 2.NBT.5, 2.MD.8, 2.MD.10: Becoming Fluent with Addition and Subtraction
GSE Grade 2 Math Unit 1 - 2.NBT.1 - 2.NBT.4, 2.MD.10: Extending Base Ten Understanding
GSE Grade 2 Math Overview - All MGSE Standards - This resource contains the state curriculum map, unpacked standards, routines, and much more.
Greg Tang Worksheets for decomposing and making tens - OA.2 practice for decomposing numbers and making tens in order to facilitate mental math while adding.
Go In and Out the Window Place Value Lesson Plan - NBT.1, NBT.2, & NBT.3 This activity provides instruction and practice for these three place value standards. A student learning game is part of the plan and the game can continue to be played after the lesson for rehearsal.
Get back to ten to subtract...Using friends of ten to subtract - OA.2 This activity uses a student's place value knowledge to subtract by having them subtract values back to ten first.
Geo Cleo - 2.G.1 The story provided by this interactive is high-interest for second graders. It provides explanations, practice, and opportunities for writing for 2-D and 3-D shapes.
Fractions - 2.G.3 This teaching tool, designed for use with an interactive whiteboard or video projector, supports the teaching of fractions. A rectangle can be partitioned into two, three, or four (or more) parts. Additional unit rectangles can be added to the screen to compare fractional parts.
Fraction Pieces - 2.G.3 Interactive tool can be used to demonstrate partitioning circles and squares into two, three, or four (and more) equal shares. Tool requires Java to run, which is not supported on the Chrome browser.
Fraction Flags (Thirds) - 2.G.3 Students design a rectangular flag partitioned into 24 equal pieces so that three thirds or two-thirds and one-third of the flag are specific colors on this interactive site.
Fraction Flags (Halves and Quarters) - 2.G.3 Students design a rectangular flag partitioned into 24 equal pieces so that two halves, a half and two quarters, three quarters and one quarter or four quarters of the flag are specific colors on this interactive site.
Four Piece Tangrams - SMP 1 This interactive builds students' spatial reasoning while addressing problem solving and perseverance. Students have to slide, flip, and/or rotate four irregular-shaped pieces to fit a given shape while being timed. Activity would work well as a center for students who need to be challenged.
Counting Stamps - Task for 2.NBT.1 from Illustrative Mathematics to deepen place value concepts; bridges to base ten blocks representations
Concentration - 2.G.1 Concentrate game for one student or a pair of students in competition to match different representations of a concept. The game offers several options; choose shapes for alignment to this standard.
Compensation Strategy for Addition - 2.NBT.5 This quick activity helps to demonstrate how to use the compensation strategy for addition and why it works. Simple and effective.
Comparing Numbers - NBT.4 This lesson from Learnzillion helps to build fluency with comparing three-digit numbers. Sketches of base ten blocks and expanded form are used here because they support an understanding of the value of each digit in a three-digit number. Embedded Video.
Compare two 3-digit numbers by comparing number parts - NBT.4 Learnzillion video that can be used as an introduction to comparing two 3-digit numbers.
Bundling and Unbundling - Task for 2.NBT.1 from Illustrative Mathematics requires students to determine the number of hundreds, tens and ones that are necessary to write equations when some digits are provided.
Building Blocks - SMP 1 The student is given random, unusual shapes to place on a figure to completely cover it. This interactive could be utilized in a center as an extension activity to increase students' spatial reasoning and perseverance in solving problems.
Build a Hexagon video - 2.G.1 In this video, Marilyn Burns models a classroom activity of building a hexagon using pattern blocks, and students are challenged to find as many ways as possible to do so.
Boxes and Cartons of Pencils - Task for 2.NBT.1 from Illustrative Mathematics is an instructional task for working with place value.
Bar Graph Sorter - 2.G.1 This interactive site allows students to create a bar graph by sorting geometric shapes by their attributes.
Attribute Blocks - 2.G.1 Students practice sorting blocks by similar attributes. Incorrect blocks moved into the circle will be removed. A student who clicks the "check" button will be told to try again if there are additional blocks that fit the displayed attribute. Site requires Java to run; Java is not supported by the Chrome browser.
Attend to Precision: Fraction Strips - 2.G.3, SMP 6 Classroom video with commentary in which students explore fractions through a story, "fraction strips", and a game with a number cube. The lesson also addresses how fractions can combine to equal one whole.
Add Up to 4 2-Digit Numbers Using Place Value - NBT.6 Learnzillion video demonstrating how to use place value as a strategy to add up to 4 2-Digit numbers. Could be used as part of an introduction.
Adding and Subtracting with Lengths - MD.1, MD.4, MD.5 Cross-curricular activity in which students roll objects down a ramp, measure the distance traveled, then compare the distances. Higher order problem solving that would be best suited at the end of the measurement unit.
3-D Shapes Mission 2110 Roboidx - 2.G.1 The gamer production aspect of this interactive site will engage students, particularly boys, while they have to determine the faces, edges, and vertices of various 3-D shapes.
3-D Shapes I Know song - 2.G.1 The song can be downloaded as a .m4a, and the site also contains the lyrics that can be copied to a document to be printed for students. The YouTube video of the song is available at https://www.youtube.com/watch?v=2cg-Uc556-Q&feature=youtu.be
3-D Cubes Lesson interactive - 2.G.1 Interactive lesson component explores faces, edges, and vertices of a cube. It can be used for whole group demonstration or assigned to students to complete on individual computers.
2nd Grade Geometry (K-5 Math Teaching Resources) - 2.G.1, 2.G.2, 2.G.3 Sample activities are available for free download. Other items are available for purchase. No log-in is required to access free items.
2nd Grade Common Core Measurement Test - MD.1, MD.2, MD.3 MD.4, MD.7 Assessment for several measurement standards. A variety of questions covering different ways to evaluate understanding.
2-D Shapes Jeopardy - 2.G.1 Interactive game reviews basic facts and properties of 2-D shapes in a Jeopardy-type format with a single-player or multi-player option.
2-Dimensional Basic Geometric Shapes - 2.G.1 This video begins with real-world shapes, then uses animation to highlight the attributes of different shapes in the first 3.5 minutes. The final minute shows students in a classroom sorting shapes.
2.MD Ordering Time - MD.7 Ordering time activity from Illustrative Math. Provides practice with digital and analog clocks, reading times then ordering them.
13 Ways to Show One-Half - 2.G.3 Cyberchase game challenges students to find 13 unique ways to shade a square to show one-half.
100 More 100 Less - NBT.8, NBT.4 Lesson plan for a review of place value and how it relates to number sense. The lesson addresses how to add and subtract 10 and 100 from any number.