OC Mathematical Reasoning 2

Question 1

What is the area of a triangle with base 10 cm and height 6 cm?

Accepted Answer

30 sq cm

Answer

Area = ½ × base × height = ½ × 10 × 6 = 30 sq cm.

Question 2

Apples cost $0.75 each. How much do 12 apples cost?

Accepted Answer

$9.00

Answer

12 × $0.75 = $9.00.

Question 3

Which fraction is equivalent to 3/4?

Accepted Answer

9/12

Answer

9/12 simplifies to 3/4 because both numerator and denominator are multiplied by 3.

Question 4

A box holds 24 crayons. How many boxes are needed for 180 crayons?

Accepted Answer

8

Answer

180 ÷ 24 = 7.5, so 8 boxes are needed.

Question 5

What is the value of 2³ × 5?

Accepted Answer

40

Answer

2³ = 8, and 8 × 5 = 40.

OC - Opportunity Class Test Practice Test