Suitable for Grades: 1st Grade, 2nd Grade
CCSS: 2.NBT.B.5, 2.OA.B.2
CCSS Description: 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 20 using mental strategies.2 By end of Grade 2, know from memory all sums of two one-digit numbers.
In this colorful activity, students will select the correct answer from four options for addition questions. The additions include adding a single digit to a two-digit number.
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