Mental sum for Wednesday 3rd, April 2024.

What is the square root of 64 ?

• 4

• 8

• 9

What is the cube root of 64 ?

• 8

• 9

• 4

Add √25 and √ 81

• 14

• 7

• 5

The length of a rectangle is 12cm and its width is 8cm. What's the perimeter of the rectangle?

• 68

• 40

• 27

A square has a perimeter of 36cm. What's the length of each side?

• 9 cm

• 14

• 24

Calculate the area of a square with a side length of 10 meters.

• 100cm

• 782

• 123

Find the area of a circle with a radius of 5cm. ( π 3.14).

• 67.3 Cm

• 69.4cm

• 78.5cm

Determine the area of a triangle with a base of 12cm and a height of 9cm.

• 54

• 70

• 56

Find the volume of a rectangular prism with a length of 10cm, width 5cm, and height 3cm.

• 180cubic

• 150cubic

• 230 cubic

Calculate the volume of a cube with a side length of 7m.

• 782 cubic

• 876 cubic

• 343 cubic