Brainteen
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儿童免费
加法
算出得数。
- 8–12 岁
- 数学
- 学习单
课程标准关联
- Common Core 1.NBT.C.4: Add within 100, including a two-digit number and a one-digit number or a multiple of ten.
- Common Core 2.NBT.B.5: Add and subtract fluently within 100 using place value, properties of operations and the link between adding and subtracting.
- England NC Y2.MA.ASN.3: Add and subtract two-digit numbers and ones, two-digit numbers and tens, and two two-digit numbers.
- BNCC EF02MA05: Build basic addition and subtraction facts and use them in mental or written calculation.
- BNCC EF02MA06: Solve and create addition and subtraction problems with numbers up to three digits.
- Programmes FR C2.MA.NC.4: Calculate sums and differences in a line or in columns.
许可协议：Crayonbird original
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