Addition and subtraction game cards demonstrating the relationship between fact families.
Use this teaching resource when teaching students about fact families involving addition and subtraction up to 20.
Print out the resource on cardstock and cut out the game squares. Place them in a resealable bag to be used again and again.
How to Use the Resource:
- Students will play this game in pairs. First, they need to place all of the game squares faceup between them.
- Students take turns rolling one die. Then, students must find the card where their number completes the addition sentence and the matching subtraction sentence, e.g. they roll a 4 so they can complete the card 7 + ___ = 11 and the matching subtraction sentence is 11 – 7 = ___. When they find them, they flip them both over.
- Play continues until all of the cards have been flipped over.
For other ways to use this resource, read our blog post The Ultimate Math Game – 1 Resource 5 Ways.
Common Core Curriculum alignment
Apply properties of operations as strategies to add and subtract.2 Examples: If 8 + 3 = 11 is known, then 3 + 8 = 11 is also known. (Commutative property of addition.) To add 2 + 6 + 4, the second two numbers can be added to make a ten, so 2 + 6 + 4 ...
Understand subtraction as an unknown-addend problem. For example, subtract 10 - 8 by finding the number that makes 10 when added to 8.
Add and subtract within 20, demonstrating fluency for addition and subtraction within 10. Use strategies such as counting on; making ten (e.g., 8 + 6 = 8 + 2 + 4 = 10 + 4 = 14); decomposing a number leading to a ten (e.g., 13 - 4 = 13 - 3 - 1 = 10 - ...
Fluently add and subtract within 20 using mental strategies. By end of Grade 2, know from memory all sums of two one-digit numbers.
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