First Class maths · C.11 · Addition and Subtraction to 20
True or false equations
The equal sign means both sides have the same value. Find the number that makes it balance.
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See worked examples
Omar wonders: 1 + 3 = 3 + □
Answer: 1
Dara thinks: 4 + 5 = 3 + □
Answer: 6
Nia asks: 5 + 4 = 8 + □
Answer: 1
Tip: The equal sign means both sides have the same value. Find the number that makes it balance.
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