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Welcome to Grade 2 Math!
Welcome to Grade 2 Math!
In Grade 2, your child will build on last year’s work and gain important new skills. One of the most important outcomes for second grade is to add and subtract two-digit numbers quickly and accurately (e.g., 77 + 28). Another important goal in second grade is to understand what the digits mean in a three-digit number such as 463 (namely, 463 is 4 hundreds, 6 tens, and 3 ones). Your child also will build expertise with solving addition and subtraction word problems. Much of this initially happens in Grade 1, but it is reinforced and strengthened in Grade 2, particularly because Grade 2 focuses on more challenging addition and subtraction situations types.
Mathematics Program: Bridges in Mathematics is a clearly articulated, standards-based program that closely aligns with the exploration and discovery instructional approach we have embraced in Williamsville. Bridges in Mathematics is equipped with robust resources (e.g., manipulatives, games, consumable materials, etc.) that fully address the standards in a rigorous, engaging, and accessible manner. To learn more about the Grade 2 Bridges in Mathematics, click HERE.
Grade 2 is comprised of four critical areas designed to bring focus to the standards. The Critical Areas for Grade 2 are:
Extending understanding of base-ten notation. Students extend their understanding of the base-ten system. This includes ideas of counting in fives, tens, and multiples of hundreds, tens, and ones, as well as number relationships involving these units, including comparing. Students understand multi-digit numbers (up to 1,000) written in base-ten notation, recognizing that the digits in each place represent amounts of thousands, hundreds, tens, or ones (e.g., 853 is 8 hundreds + 5 tens + 3 ones).
Building fluency with addition and subtraction. Students use their understanding of addition to develop fluency with addition and subtraction within 100. They solve problems within 1,000 by applying their understanding of models for addition and subtraction, and they develop, discuss, and use efficient, accurate, and generalizable methods to compute sums and differences of whole numbers in base-ten notation, using their understanding of place value and the properties of operations. They select and accurately apply methods that are appropriate for the context and the numbers involved to mentally calculate sums and differences for numbers with only tens or only hundreds.
Using standard units of measure. Students recognize the need for standard units of measure (centimeter and inch) and they use rulers and other measurement tools with the understanding that linear measure involves an iteration of units. They recognize that the smaller the unit, the more iterations they need to cover a given length.
Describing and analyzing shapes. Students describe and analyze shapes by examining their sides and angles. Students investigate, describe, and reason about decomposing and combining shapes to make other shapes. Through building, drawing, and analyzing two- and three-dimensional shapes, students develop a foundation for understanding area, volume, congruence, similarity, and symmetry in later grades.
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