Mathematics Challenge for Grade 7

Evaluate: 3^4

• 81

• 100

• 64

• 27

Simplify: 5x + 3x - 2x

• 4x

• 5x

• 6x

• 7x

If the ratio of boys to girls is 3:4, how many girls are there if there are 12 boys?

• 16

• 20

• 14

• 10

Solve for x: 2x/3 = 8

• 12

• 14

• 10

• 6

Evaluate: 2^5 - 3^2

• 15

• 20

• 23

• 25

Simplify: 4a + 2b - 3a + 5b

• a + 7b

• 7a + 3b

• 4a + 7b

• 2a + 3b

If 5 apples cost $2, how much do 8 apples cost?

• $2.50

• $4.00

• $1.60

• $3.20

If the ratio of red to blue marbles is 2:5 and there are 10 red marbles, how many blue marbles are there?

• 25

• 20

• 30

• 15

Evaluate: (2^3) * (2^2)

• 4

• 8

• 16

• 32

Simplify: 7y - 4y + 2

• 3y + 2

• 3y - 2

• 7y - 2

• 2y + 4