Reviewing the basics in Maths

Simplify: -50 - (-22) =

• -28

• -72

• 28

• 72

Simplify: -9 + 9 + (-9) =

• -9

• -27

• 9

• -18

Simplify: (-2) (-1) (-3) (-4) (-1) =

• 11

• 24

• -24

• 11

Sania boards an elevator at the 23rd floor. She travels up 14 floors, and then down 7 floors. What floor did she finally end up on?

• 44

• -2

• 16

• 30

Simplify: 6b + 7b – 10

• 3b

• 13b -10

• 13b² - 10

• 3b²

Add these expressions

(x+5) + (2x+10)

• 3x+15

• x-5

• 3 x +9

• 18x

Simplify: 4a + 9 + a

• 5a + 9

• 14a

• 3a + 9

• 5a - 9

Identify the type of angle shown....

• Acute

• Obtuse

• Right

• Reflex

Define Obtuse Angle

• Less than 90

• Exactly 90

• Greater than 90 and less than 180

• Exactly 180

Angle 3 and Angle 6 are examples of which type of angle pair?

• Alternate exterior angles

• Alternate interior angles

• Vertical angles

• Corresponding angles