熟练的乘除法运算
Fluent multiplication and division facts
能利用乘除关系等策略，熟练地进行100以内的乘法和除法运算。
Fluently multiply and divide within 100 using strategies such as the relationship between multiplication and division
学习证据 / Evidence
- 能在3秒内答出任意两个一位数相乘的积
- 能在3秒内说出任意相关除法算式的商
- 能利用已知算式推导出未知算式（例如，通过10×7−7得出9×7）
- Answer any single-digit multiplication fact within 3 seconds
- Answer any related division fact within 3 seconds
- Use known facts to derive unknown facts (e.g. 9 × 7 from 10 × 7 − 7)
评估问题 / Assessment
{{name}}能快速回答10×10以内的任意乘法口诀，并根据乘除关系说出相应的除法算式，例如知道'9×7=63'就能说出'63÷9=7'吗？
Can {{name}} answer any times table fact up to 10 × 10 quickly — and also give the related division facts, like '63 ÷ 9 = 7' from knowing '9 × 7 = 63'?