1. Round 5.454 to 1 decimal place

2. The ratio of boys to girls in a class is 2:1. If there are 18 boys how many girls are there?

3. Which number is prime: 33, 27, 23, 15?

4. 28 x ¼

5. If the perimeter of a square is 40cm², what is the area in cm² of the square?

6. Write down the digit which shows the number of hundreth's in the number 541.763

7. What is the next number in the sequence: 1, 4, 9, 16, ...

8. If c = 5, what is the value of 3c - 4?

9. 2¾ km = ? m

10. What is the square root of 81?

11. 25% = 1/?

12. If one CD costs £11.99, how much would 4 of the same CD's cost?