Mathematics
Multiplication & Division
Procedural
7–8 yrs
Rows & Columns in Rectangles
矩形中的行与列
Description
Partition a rectangle into rows and columns of same-size squares and count to find the total number of them
Mastery Evidence
- 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
Assessment Prompt
Can your child draw lines to divide a rectangle into a neat grid of equal squares, then count all the squares to find the total?
Prerequisites 1
Arrays for multiplication (age 7+)
将长方形分割为单位正方形建立在理解长方形阵列的基础上
Unlocks 0
No follow-up topics
