The weight (mass) of a clothespin is 9.2 g. Which of these is the best estimate of the total weight (mass) of 1000 clothespins?

• A)900 g

• B) 9,000 g

• C) 90,000 g

• D) 900,000 g

In which pair of numbers is the second number 100 more than the first number?

• A) 199 and 209

• B) 4236 and 4246

• C) 9635 and 9735

• D) 51,863 and 52,863

A teacher marks 10 of her pupils' tests every half hour. It takes her one and one half hours to mark all her pupils'tests. How many pupils are in her class?

• A) 15

• B) 20

• C) 25

• D) 30

Sam said that 1/3 of a pie is less than 1/4 of a pie. Is Sam correct?

• A) Yes

• B) No

How many millimetres are there in a metre?

• A) 10

• B) 100

• C) 1000

• D) 10000

How many millimetres are there in a metre?

• A) 10

• B) 100

• C) 1000

• D) 10000

Here is a number sentence.

4 X ? < 17

What number could go in the ? to make the sentence true?

• A) 4

• B) 5

• C) 6

• D) 7

Which of these would most likely be measured in milliliters?

• A) The amount of liquid in a teaspoon

• B) The weight (mass) of a pin

• C) The amount of gasoline in a tank

• D) The thickness of 10 sheets of paper

A thin wire 20 centimeters long is formed into a rectangle. If the width of this rectangle is 4 centimeters, what is its length?

• A) 6 cm

• B) 8 cm

• C) 10 cm

• D) 16 cm

Adam wants to use a mental method to calculate 182 – 97

He starts from 182

Here are some methods that Adam could use.

Which of these methods that are correct.

1. add 3 then subtract 90

2. subtract 100 then add 3

3. subtract 7 then subtract 90

4. subtract 3 then subtract 100

• A ) 1 and 2

• B) 1 and 3

• C) 2 and 3

• D) 2 and 4