Brainteen
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儿童免费
减法
算出得数。
- 5–7 岁
- 数学
- 学习单
课程标准关联
- Common Core K.OA.A.5: Add and subtract fluently within 5.
- Common Core 1.OA.C.6: Add and subtract within 20, being fluent within 10, using strategies such as making ten.
- England NC Y1.MA.ASN.2: Represent and use number bonds and related subtraction facts within 20.
- England NC Y1.MA.ASN.3: Add and subtract one-digit and two-digit numbers to 20, including zero.
- BNCC EF01MA08: Solve and create addition and subtraction problems with numbers up to two digits (joining, adding on, separating, taking away).
- Programmes FR C2.MA.NC.3: Mental calculation: know and use addition and subtraction facts.
许可协议：Crayonbird original
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