IAR Test 5th Grade Math

Question 1

Which expression shows the correct use of parentheses to make the equation true? ___ = 32: 4 × (2 + 6)

Accepted Answer

4 × (2 + 6) = 32

Answer

Using parentheses first: 2 + 6 = 8, then 4 × 8 = 32, so 4 × (2 + 6) = 32.

Question 2

What is the value of 3.45 × 10²?

Accepted Answer

345

Answer

Multiplying by 10² moves the decimal point 2 places to the right: 3.45 → 345.

Question 3

What is 2/3 + 3/4?

Accepted Answer

17/12

Answer

Converting to a common denominator of 12: 8/12 + 9/12 = 17/12.

Question 4

A rectangular box is 5 cm long, 3 cm wide, and 4 cm tall. What is its volume?

Accepted Answer

60 cubic cm

Answer

Volume = length × width × height = 5 × 3 × 4 = 60 cubic centimeters.

Question 5

A point is located at (3, 5) on a coordinate plane. Which quadrant is it in?

Accepted Answer

Quadrant I

Answer

Both coordinates are positive (x=3, y=5), so the point is in Quadrant I.

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