Number & Operations in Base Ten

Tech Tools

The Math Learning Center

  • Topics: Place value; Area models; Modeling operations

  • CCSS: 4.NBT.A.2, 4.NBT.B.5, 4.NBT.B.6, 5.NBT.B.6, 5.NBT.B.7

  • Overview: This Tech Tool involves using base ten blocks to help with understanding place value and with computing multi-digit numbers. The site allows for users to decompose base ten blocks, to color code, and to use drawing and text tools for labeling and problem solving.

  • Cost: Free

  • Tech Tool Evaluation by Emily Aron

National Library of Virtual Manipulatives

  • Topics: Place value; Number lines; Modeling operations

  • CCSS: 3.NBT.A.1, 4.NF.C.6, 5.NBT.A.3, 5.NBT.A.4

  • Overview: The website states that, “the Place Value Number Line manipulative is designed to introduce, practice, and test skills in representing place value on a number line.” Users select one of the following "Places": ten, hundreds, thousands, millions, billions, decimals; one of the following amount of "Dots": 1, 2, 3; and one of the following "Modes": explore, practice, test. The website provides directions on how to use the different settings, as well as recommendations for parents and teachers.

  • Cost: Free

  • Tech Tool Evaluation by Emily Aron

  • Topics: Multiplication fact fluency

  • CCSS: 3.NBT.A.3, 4.NBT.B.5

  • Overview: This Tech Tool is for increasing fluency in multiplication facts. Users can select their “workout time” (total time of exercise), “cutoff time” (total time per question), and targeted facts (e.g. 7x column). The site records your progress of the multiplication facts for your current session while the tab is still open. It does not save results so you cannot see your progress over time on the site. Math Trainer is also available for Addition, Subtraction, and Division.

  • Cost: Free

  • Tech Tool Evaluation by Emily Aron

  • Topics: Addition, subtraction, multiplication, & division fact fluency

  • CCSS: Fact fluency supports numerous standards. Specifically for NBT standards, fact fluency supports a student's understanding of place value and performing operations.

  • Overview: XtraMath is used for building basic math facts fluency and progress monitoring. There is a set structure and methodology behind the content that is explained within the FAQ section. Students work through the different operations while being timed. Teachers and parents have access to a student’s progress.

  • Cost: Free on website (Fee for mobile device app)

  • Tech Tool Evaluation by Emily Aron

Illuminations

  • Topics: Division; Interpret remainders

  • CCSS: 4.NBT.B.6, 5.NBT.B.6

  • Overview: This Tech Tool involves division and interpreting the remainder. Users can select a dividend between 1-500, a divisor between 1-50, and a way to interpret the remainder (leave extras on the table or divide the extra objects). The Tech Tool displays a visual of the dividend (e.g. bagels) and divisor (e.g. penguins) on the left side and the steps for completing the long division on the right side.

  • Cost: Free

  • Tech Tool Evaluation by Emily Aron

  • Topics: Adding whole numbers and decimals; Both addends unknown

  • CCSS: 3.NBT.A.2, 4.NF.C.6, 5.NBT.B.7

  • Overview: In this Tech Tool, the goal is for students to fill up school buses and deliver as many full buses of children to the school as possible. Depending on the level, students work on adding up whole numbers, decimal numbers, or fractions to fill the buses. This Tech Tool is a math game and has different levels and difficulties to keep students engaged. Included with this Tech Tool is a teacher guide for integrating the game into the math block.

  • Cost: Free

  • Tech Tool Evaluation by Emily Aron