Grade 7 Mathematics Review

Number Theory

100

All factors of 12

1, 2, 3, 4, 6, 12

200

HCF of 20 and 30

10

300

The LCM of 6 and 8

24

400

Evaluate (2³)²

64

500

Find the missing term:

81, 27, 9, ___, 1

3

Fractions and Decimals

100

Convert 2/5 to a decimal

0.4

200

Convert 0.75 to a fraction.

3/4

300

Calculate:

3.46+7.09

10.55

400

Calculate: 4 1/2 + 2 1/4

6 3/4

500

Calculate: 4/9 ÷2/3

2/3

Algebra

100

Simplify 8x+7x

15x

200

Solve 4y=20

y=5

300

Evaluate 3x+4y when x=4, y=2

20

400

Solve 2x-5=13

x=9

500

Simplify 9x-3+4x+5

13x +2

Statistics

100

Find the mean: 4, 6, 8

6

200

Find the mode: 2,4,4,6,8

4

300

Find the median: 11,5,9,3,7

7

400

Find the median: 13, 10, 9, 4, 9, 3 

9

500

Find the mean: 13, 10, 9, 4, 9, 3

8

Geometry and Construction

100

True or false? A polygon is a closed figure made of straight line segments.

True

200

A regular polygon has all sides and angles that are ______.

Equal

300

Find the perimeter of a rectangle with length 8 cm and width 5 cm.

26cm

400

Find the area of a rectangle measuring 9 cm by 5 cm.

45 cm²

500

What angle is formed when a 90° angle is bisected?

45°