Click here for a chance to get free school supplies as a teacher

1.OA.B.4 Common Core Games

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.
Showing 1-4 of 4 results
Sort By:
See All