乘法中的阵列
Arrays for multiplication
用阵列表示乘法和除法情境
Use arrays to represent multiplication and division situations
学习证据 / Evidence
- 摆出一个3行、每行4个物体的阵列来表示3 × 4
- 观察一个阵列并说出总数
- 利用阵列解决简单的除法问题(例如:把12个物体每4个排成一行,能排成3行)
- Build an array of 3 rows of 4 objects to show 3 × 4
- Read an array and state the total
- Use an array to solve a simple division problem (e.g. 12 objects in rows of 4 → 3 rows)
评估问题 / Assessment
如果{{name}}看到盒子里有3行4列摆放的鸡蛋,能利用这种阵列算出“3 × 4 = 12”和“12 ÷ 3 = 4”吗?
If {{name}} sees eggs arranged in 3 rows of 4 in a box, can they use that grid layout to work out both '3 × 4 = 12' and '12 ÷ 3 = 4'?