Grade 5 · Math · Unit 10 of 11
Measure It
Metric units, area and angles
What your child practises
Converting larger metric units to smaller ones, estimating and classifying angles, finding the area of parallelograms and triangles, and seeing that shapes with the same area can have different perimeters.
Ontario Curriculum expectation: E2.1–E2.6 · metric conversions, angles and protractors, and the area of parallelograms and triangles
Sample questions
A taste of this unit. In the app, questions change every time and get easier or harder to match your child.
Question 1
A parallelogram has a base of 8 cm and a height of 8 cm. What is its area in square centimetres?
8 × 8 = ?
answer box
Show answer
64
Hint: Area of a parallelogram = base × height.
Question 2
Which unit is best for the area of a bedroom floor?
- square centimetres
- square metres
- square kilometres
Show answer
square metres
Hint: A bedroom is small, but a square centimetre is tiny.
Question 3
8 m = cm
8 m = cm
answer box
Show answer
800
Hint: 1 metre is 100 centimetres.
Question 4
A triangle has a base of 13 cm and a height of 10 cm. What is its area in square centimetres?
13 × 10 ÷ 2 = ?
answer box
Show answer
65
Hint: Area of a triangle = base × height ÷ 2. A triangle is half of a parallelogram.
Question 5
About how big is this angle? Use 90° as a benchmark.
- 60°
- 135°
- 30°
Show answer
135°
Hint: A right angle is 90°. Half of it is 45°. A straight angle is 180°.
Question 6
A 3 by 16 rectangle and a 1 by 48 rectangle both have an area of 48 square units. Which has the smaller perimeter?
- 3 by 16
- 1 by 48
Show answer
3 by 16
Hint: Work out the perimeter of each: 2 × (length + width).