Brainteen
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儿童免费
加法
算出得数。
- 6–9 岁
- 数学
- 学习单
课程标准关联
- Common Core 1.OA.C.6: Add and subtract within 20, being fluent within 10, using strategies such as making ten.
- Common Core 2.OA.B.2: Add and subtract fluently within 20 using mental strategies, and know all sums of two one-digit numbers from memory.
- England NC Y1.MA.ASN.3: Add and subtract one-digit and two-digit numbers to 20, including zero.
- England NC Y2.MA.ASN.2: Recall and use addition and subtraction facts to 20 fluently, and derive related facts up to 100.
- BNCC EF01MA06: Build basic addition facts and use them to calculate and solve problems.
- BNCC EF02MA05: Build basic addition and subtraction facts and use them in mental or written calculation.
- 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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