Suitable for Grades: 1st Grade, 2nd Grade
CCSS: 1.OA.D.8, 2.OA.B.2
CCSS Description: Determine the unknown whole number in an addition or subtraction equation relating three whole numbers. For example, determine the unknown number that makes the equation true in each of the equations 8 + ? = 11, 5 = � – 3, 6 + 6 = �.
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 have to select the correct answer from four options to addition questions. The additions are all of numbers less than 5 and include adding 0 to a number.
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