This PDF resource contains a set of true/false addition and subtraction cards. Differentiated by 2, 3, and 4 digits. For each level there is 12 true addition facts, 12 true subtraction facts, 12 false addition facts and 12 false subtraction facts. Each card contains a QR code which, when scanned, will tell learners if there have correctly identified if the fact is true or false.
I ask learners to work as a group, they must each solve the questions and share if they find the fact to be true or false. As a group they should sort the cards into a true pile and a false pile. Either as they go, or when finished, they should scan the QR code to self check their work.
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