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Product Description
First grade Math - Addition... [Read more]
Features
- Addition up to 10
- Addition up to 18
- Addition up to 20
- Add a number to a multiple of ten
- Add two multiples of ten
- Add doubles
- Add three numbers up to 10 each
- Relate addition and subtraction
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Details were last updated on Oct 23, 2024 08:20 +08.
