Grade 5, Measurement and geometry
Area of rectangles
Find the area of rectangles and squares, or a missing side.
Three levels
One skill, rising difficulty
Each sheet carries one level. The three are the same skill at rising difficulty, each named for what it practises.
- Level 1: Small rectangles
- Find the area of each shape.
- Level 2: Larger rectangles and squares
- Find the area of each shape.
- Level 3: Find the missing side
- Use the area to find the missing side.
Worked example
How the sheet explains it
The helper printed at the top of each sheet: one solved example and the steps a student follows, before the first question. Every number sentence in it is proven by the same checker as the answer key.
Level 1: Small rectangles
- Area of a rectangle = length × width.
- Area = 6 × 4 = 24 cm².
- That is 4 rows of 6 squares, each 1 cm by 1 cm.
Level 2: Larger rectangles and squares
- Area of a rectangle = length × width.
- Split 14 into 10 and 4: 10 × 9 = 90 and 4 × 9 = 36.
- Add the parts: 90 + 36 = 126. Area = 14 × 9 = 126 cm².
Level 3: Find the missing side
- Area = length × width, so divide the area by the side you know.
- 56 ÷ 8 = 7, so the missing side is 7 cm.
- Check: 8 × 7 = 56 cm².
Goes with
Reference sheets
One-page helpers a student keeps beside this sheet:
- Perimeter and area
- Square numbers
- Formulas to remember
Every reference, facts and support sheet is listed in the worksheet catalogue.
In the BC curriculum
Content standards
The British Columbia content standard this skill is written for, by the codes used across this site:
- bc.math.5.c.12
The wording of each standard is on the Province's mathematics curriculum page.
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