An addition worksheet students use to find their own special detective call sign.
This open-ended worksheet allows students to explore their preferred addition strategies.
Use it as a fun way to review addition as a class or in small groups.
This resource contains teacher notes, a worksheet, and a call sign page.
Common Core Curriculum alignment
Fluently add and subtract within 20 using mental strategies. By end of Grade 2, know from memory all sums of two one-digit numbers.
Add up to four two-digit numbers using strategies based on place value and properties of operations.
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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