AzM2 Grade 4 Mathematics 3

Question 1

What is 8,456 rounded to the nearest hundred?

Accepted Answer

8,500

Answer

The tens digit is 5, so round up: 8,456 rounded to the nearest hundred is 8,500.

Question 2

A bag contains 3 red, 4 blue, and 3 green marbles. What fraction of the marbles are blue?

Accepted Answer

4/10

Answer

There are 4 blue marbles out of 10 total (3+4+3=10), so the fraction is 4/10.

Question 3

What is the missing factor? 9 × ___ = 108

Accepted Answer

12

Answer

108 ÷ 9 = 12, so the missing factor is 12, verified by 9 × 12 = 108.

Question 4

Which shape always has exactly 4 right angles?

Accepted Answer

Rectangle

Answer

A rectangle always has exactly four 90° angles, unlike a rhombus (which only has right angles if it is a square) or a trapezoid.

Question 5

What is 4.5 + 2.8?

Accepted Answer

7.3

Answer

4.5 + 2.8 = 7.3: the tenths add to 13 tenths (write 3, carry 1), and ones become 4 + 2 + 1 = 7.

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