Common Core Teaching Resources

CCSS.MATH.CONTENT.1.OA.B.4

Understand subtraction as an unknown-addend problem. For example, subtract 10 - 8 by finding the number that makes 10 when added to 8.

The latest CCSS.MATH.CONTENT.1.OA.B.4 teaching resources

Trending CCSS.MATH.CONTENT.1.OA.B.4 teaching resources

You might also like Understand and apply properties of operations and the relationship between addition and subtraction teaching resources