Math Mastery for Grade 7

Solve for x: 2x + 5 = 15

• 0

• 5

• 7

• 10

What is the ratio of 8 to 12 in simplest form?

• 4 to 5

• 2 to 3

• 1 to 2

• 3 to 4

Calculate the area of a rectangle with length 5 cm and width 3 cm.

• 15 cm²

• 12 cm²

• 20 cm²

• 8 cm²

If a = -3 and b = 4, what is a + b?

• -1

• -4

• 7

• 1

Solve for y: 3y - 7 = 2

• -2

• 1

• 3

• 5

What is 15% of 60?

• 9

• 6

• 12

• 15

Find the perimeter of a triangle with sides 5 cm, 7 cm, and 10 cm.

• 18 cm

• 25 cm

• 22 cm

• 20 cm

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

• 20

• 14

• 16

• 10

Calculate the area of a circle with a radius of 7 cm (use π = 22/7).

• 154 cm²

• 150 cm²

• 160 cm²

• 144 cm²

What is the value of -8 + 3?

• -5

• -2

• 1

• -11