Teaching Resource

2-Digit Addition - Star Matchup Cards

In Mathematics Operations Addition Number and Operations

118 pages|Grades: 2 - 3

A set of matchup cards to practice adding a set of 2-digit numbers mentally.

Use this resource when students are learning how to add a set of 2-digit numbers mentally, e.g., 24 + 28.

Print the cards on cardstock and cut them out. Store them in a resealable bag to be used over and over.

Students will match up the number sentence with the correct answer. For students needing extra support, let them use base-10 blocks to determine the answer.

This resource works well when used as a math center activity.

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Math Resource Pack for Parents - Addition and Subtraction
An extensive collection of resources for parents to help Grade 2 and Grade 3 children with addition and subtraction.

7 resources 2 - 3

Common Core

Common Core Curriculum alignment

CCSS.MATH.CONTENT.2.NBT.B.5
Fluently add and subtract within 100 using strategies based on place value, properties of operations, and/or the relationship between addition and subtraction.
In Grade 2 Standards for Mathematical Practice Number & Operations in Base Ten Use place value understanding and properties of operations to add and subtract
CCSS.MATH.CONTENT.2.NBT.B.6
Add up to four two-digit numbers using strategies based on place value and properties of operations.
In Grade 2 Standards for Mathematical Practice Number & Operations in Base Ten Use place value understanding and properties of operations to add and subtract
CCSS.MATH.CONTENT.3.NBT.A.2
Fluently add and subtract within 1000 using strategies and algorithms based on place value, properties of operations, and/or the relationship between addition and subtraction.
In Grade 3 Standards for Mathematical Practice Number & Operations in Base Ten Use place value understanding and properties of operations to perform multi-digit arithmetic

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