ITBS Math Concepts and Estimation 1

Question 1

Which of the following is the best estimate for 48 × 21?

Accepted Answer

1,000

Answer

800

Answer

1,200

Answer

1,500

Question 2

What is the value of the digit 7 in the number 3,742?

Accepted Answer

700

Answer

7

Answer

70

Answer

7,000

Question 3

A rectangle has a length of 12 cm and a width of 5 cm. What is its area?

Accepted Answer

60 cm²

Answer

34 cm²

Answer

17 cm²

Answer

70 cm²

Question 4

Which number is between 3/4 and 1 on a number line?

Accepted Answer

7/8

Answer

1/2

Answer

2/3

Answer

1/4

Question 5

If a bag of apples weighs about 3.7 pounds, which is the best estimate of the total weight of 6 bags?

Accepted Answer

22 pounds

Answer

18 pounds

Answer

24 pounds

Answer

30 pounds

Question 6

What is the least common multiple (LCM) of 4 and 6?

Accepted Answer

12

Answer

2

Answer

18

Answer

24

Question 7

A store sells notebooks for $2.95 each. About how much would 8 notebooks cost?

Accepted Answer

$24

Answer

$16

Answer

$20

Answer

$28