1. Which of the following numbers is a factor of both 48 and 54?

2. What is the value of 84 - (18 x 2) ÷ 6 + 3?

3. Which of the following fractions is closest to 1?

4. Express 30 ℓ 35 mℓ in mℓ.

5. 24 : 42 = __ : 56
What is the missing number in the blank?

6. ABCD is a square of side 12 cm.
EC is 1/3 the length of DC. Find the area of triangle BCE.

7. What is the sum of the first two common multiples of 4 and 6?

8. Grace bought a 2 m long ribbon. 2/5 m of the ribbon was used to tie a present and 3/10 m of the ribbon was used to make a necklace.
How much of the ribbon was left?

9. Michael sorted 7 2/3 kg of recyclable materials in the morning.
He sorted 3 1/6 kg less recyclable materials in the afternoon.
How much recyclable materials did he sort altogether?

10. Mr Tang gave monthly allowance to his elder daughter and younger son in the ratio of 5:3. His daughter received $50 more than his son.
How much allowance did Mr Tang give to his children altogether each month?