Math Mental 8

The lowest odd prime number.

• 1

• 2

• 3

• 4

• 6

A perfect square number.

• 1

• 2

• 4

• 6

• 12

A perfect cube.

• 1

• 3

• 6

• 12

A factor of 18

• 1

• 12

• 4

• 6

A multiple of 6

• 1

• 2

• 3

• 12

Simplify the ratio R200:R75

• R40:R15

• R8:R3

• R20:R15

• R2:R1

8² - 4²

• 16

• 8

• 48

• 56

-81 - 27

• 54

• +108

• -108

• -54

What type of angle is 133⁰?

• Obtuse

• Right

• Acute

• Reflex

If the radius is 15cm. What is the diameter?

• 7.5cm

• 30cm

• 5cm

• 15cm