长方形中的行与列
Rows & Columns in Rectangles
把一个长方形分成大小相同的正方形,按行和列排好,再数一数一共有多少个。
Partition a rectangle into rows and columns of same-size squares and count to find the total number of them
学习证据 / Evidence
- 将长方形分成由单位正方形组成的相等的行与列
- 用连加或跳数的方法数出方格的总数
- 把行与列的结构和矩形阵列联系起来
- Divide a rectangle into equal rows and columns of unit squares
- Count the total number of squares using repeated addition or skip counting
- Relate the rows-and-columns structure to a rectangular array
评估问题 / Assessment
{{name}}能画线将一个长方形分成整齐的、大小相等的方格,然后数出所有方格得出总数吗?
Can {{name}} draw lines to divide a rectangle into a neat grid of equal squares, then count all the squares to find the total?