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
Add up to four two-digit numbers using strategies based on place value and properties of operations.
Fluently add and subtract within 20 using mental strategies. By end of Grade 2, know from memory all sums of two one-digit numbers.
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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