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.
Common Core Curriculum alignment
Fluently add and subtract within 100 using strategies based on place value, properties of operations, and/or the relationship between addition and subtraction.
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.
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