Thirty bingo cards, two to a page, each with sixteen subtraction facts within 20, such as 15 − 8. The teacher calls an answer, and children look for the fact on their card that makes it: when 7 is called, 15 − 8 is marked. No card holds two facts with the same answer, so each call marks one square at most. After the cards come calling cards for the answers 0 to 20 and a caller's checklist.
Let children solve every fact on their card first and write the answers small in the corners, or play straight away for fluency practice. To call from the board, open the Bingo Caller set to subtraction within 20.
Play with a card each and the calling cards in a bowl. When your child marks a square, ask how they worked it out.
This pack supports the following Common Core State Standards for Mathematics:
© Copyright 2010. National Governors Association Center for Best Practices and Council of Chief State School Officers. All rights reserved.
A class set of bingo cards for subtraction facts within 20. Students solve the facts on their card and mark the one whose answer the teacher calls, with calling cards and a checklist to run the game.
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