MathematicsMeasurementAges 9–10
Estimating answers (age 9+)
Apply the area formula (l × w) and perimeter formula (2l + 2w) for rectangles including squares in real-world and mathematical problems; calculate and compare areas using standard units (cm², m²) and estimate areas of irregular shapes
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This concept
Estimating answers (age 9+)Procedural concept
Check understanding
- Find the width of a room given area = 48 m² and length = 8 m
- Calculate the area of a square with side 7.5 cm
- Estimate the area of an irregular pond drawn on a cm² grid
“If your child wants to carpet a room 6.5 m × 4 m, can they calculate the area — and also work out how many metres of skirting board are needed around the edge?”
Curriculum record
- Type
- Procedural
- Subject
- Mathematics
- Domain
- Measurement
- Age range
- Ages 9–10