CCSS.Math.Content.1.OA.D.8

Determine the unknown whole number in an addition or subtraction equation relating three whole numbers.

Find the Missing Number
View Find the Missing Number

Find the whole number that solves the equation. Practice both addition and subtraction.

Find the Unknown Whole Number
View Find the Unknown Whole Number

Practice for CCSS.Math.Content.1.OA.D.8. Determine the unknown whole number in an addition or subtraction equation relating three whole numbers.

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