STAAR Grade 5: Math 3

Question 1

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

Accepted Answer

12

Answer

8

Answer

18

Answer

24

Question 2

A triangle has angles measuring 45° and 75°. What is the measure of the third angle?

Accepted Answer

60°

Answer

50°

Answer

55°

Answer

80°

Question 3

Which of the following is the correct order from least to greatest?

Accepted Answer

1/4, 0.28, 0.3

Answer

0.3, 1/4, 0.28

Answer

0.28, 0.3, 1/4

Answer

1/4, 0.3, 0.28

Question 4

What is 3/8 + 1/4?

Accepted Answer

5/8

Answer

4/12

Answer

1/2

Answer

4/8

Question 5

A store sells apples for $0.75 each. How much would 8 apples cost?

Accepted Answer

$6.00

Answer

$5.00

Answer

$5.60

Answer

$6.75

Question 6

What type of angle measures exactly 90 degrees?

Accepted Answer

Right angle

Answer

Acute angle

Answer

Obtuse angle

Answer

Straight angle

Question 7

Which number sentence is represented by the expression 5 × (3 + 2)?

Accepted Answer

Add 3 and 2, then multiply the sum by 5

Answer

Multiply 5 by 3, then add 2

Answer

Add 5 and 3, then multiply by 2

Answer

Multiply 3 by 2, then add 5