ORIGO Big Book - Year 2: Our Sister's Surprise
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| Quantity | Price |
|---|---|
| Buy 1-4 | $42.30 each |
| Buy 5-9 | $41.20 each |
| Buy 10+ | $40.15 each |
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Subtraction can be represented using three different models: missing addend, take away, and difference (comparison). Our Sister’s Surprise introduces missing-addend subtraction.
These whole-class activities provide students with the opportunity to:
– listen to a story about a subtraction situation
– use materials and pictures to act out subtraction situations
– make links between subtraction and missing addends
– write related addition and subtraction facts
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