ITBS Math Concepts and Estimation 2

Question 1

Which fraction is equivalent to 0.6?

Accepted Answer

3/5

Answer

0.6 = 6/10, which simplifies to 3/5.

Question 2

A swimming pool holds 12,500 gallons of water. About how many gallons are in the pool when it is 3/4 full?

Accepted Answer

9,375 gallons

Answer

3/4 × 12,500 = 9,375 gallons.

Question 3

Which expression is equal to 5²?

Accepted Answer

5 × 5

Answer

5² means 5 raised to the power of 2, which equals 5 × 5 = 25.

Question 4

Which is the best estimate for 612 ÷ 29?

Accepted Answer

20

Answer

Rounding to 600 ÷ 30 = 20, making 20 the best estimate.

Question 5

A number is divisible by both 2 and 3. Which number could it be?

Accepted Answer

36

Answer

36 is divisible by 2 (36÷2=18) and by 3 (36÷3=12), making it divisible by 6.

ITBS - Iowa Test of Basic Skills Exam Practice Test