PRAXIS Elementary Education: Math Content Knowledge 3

Question 1

What is 25% of 80?

Accepted Answer

20

Answer

25% of 80 = 0.25 × 80 = 20.

Question 2

Which property is shown by 5 × (3 + 2) = (5 × 3) + (5 × 2)?

Accepted Answer

Distributive

Answer

Multiplication distributed over addition is the distributive property.

Question 3

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

Accepted Answer

30 cm²

Answer

Area = ½ × base × height = ½ × 10 × 6 = 30 cm².

Question 4

What is the next term in the sequence 2, 6, 18, 54, ...?

Accepted Answer

162

Answer

Each term is multiplied by 3, so 54 × 3 = 162.

Question 5

How many edges does a cube have?

Accepted Answer

12

Answer

A cube has 12 edges, 6 faces, and 8 vertices.

PRAXIS Practice Test