The partner pairs were give a card each. They could not look at their cards. The class told them their sum. They had to figure out their card by looking at their partners card to find the missing addend.
Monday, October 7, 2013
Missing Addend Fun
The partner pairs were give a card each. They could not look at their cards. The class told them their sum. They had to figure out their card by looking at their partners card to find the missing addend.
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