TCAP Mathematics 3

Question 1

What is 15% of 240?

Accepted Answer

36

Answer

15% of 240 = 0.15 × 240 = 36.

Question 2

A bag contains 4 red, 3 blue, and 5 green marbles. If one marble is picked at random, what is the probability of picking a blue marble?

Accepted Answer

3/12

Answer

Total marbles = 4 + 3 + 5 = 12; P(blue) = 3/12 = 1/4.

Question 3

Which expression represents 'six less than twice a number n'?

Accepted Answer

2n – 6

Answer

'Twice a number n' is 2n, and 'six less than' means subtract 6, giving 2n – 6.

Question 4

On a coordinate plane, point A is at (2, 5) and point B is at (2, -3). What is the distance between A and B?

Accepted Answer

8

Answer

Since the x-coordinates are equal, the distance = |5 – (–3)| = |8| = 8.

Question 5

The ratio of boys to girls in a class is 3:5. If there are 24 boys, how many girls are there?

Accepted Answer

40

Answer

If 3 parts = 24 boys, then 1 part = 8; 5 parts = 5 × 8 = 40 girls.

(TCAP) Tennessee Comprehensive Assessment Program Practice Test