Subtraction as an Unknown Addend Problem Math Games
In this series of games, your students will learn to understand subtraction as an unknown addend problem. The Subtraction as an Unknown Addend learning objective — based on CCSS and state standards — delivers improved student engagement and academic performance in your classroom, as demonstrated by research. This learning objective directly references 1.OA.B.4 as written in the common core national math standards.
Scroll down for a preview of this learning objective’s games and the concepts.
Understand subtraction as an unknown addend problem. For example, subtract 10 – 8 by finding the number that makes 10 when added to 8.
A preview of each game in the learning objective is found below.
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