乘法阵列(9岁以上)
Arrays for multiplication (age 9+)
利用短除法(以及位值/阵列策略)计算不超过四位数除以一位数的除法,并能根据情境合理解释余数。
Divide numbers up to four digits by a one-digit number using short division (and place-value/array strategies); interpret remainders appropriately for the context
学习证据 / Evidence
- 用短除法计算 4,932 ÷ 6
- 计算 125 ÷ 8 并解释:15 余 5 表示装满 15 袋,还剩 5 个
- 利用乘除关系来检验除法答案
- Calculate 4,932 ÷ 6 using short division
- Solve 125 ÷ 8 and interpret: 15 remainder 5 means 15 full bags with 5 left over
- Use the multiplication–division relationship to check a division answer
评估问题 / Assessment
{{name}}能否使用短除法(即‘巴士站’法)来计算类似‘2,457 ÷ 6’的问题,并决定如何处理剩下的余数?
Can {{name}} use the short division ('bus stop') method to work out something like '2,457 ÷ 6', and decide what to do with any remainder left over?