1. What is the mean (average) of 3, 5, 6, 10

2. The ratio of boys to girls in a group is 3:1. If there are 21 boys how many girls are there?

3. 20 x 18

4. 8 x 1¼

5. I am facing N. If I turn 45° anticlockwise, what direction am I now facing? (use just letters in your answer)

6. Write down the digit which shows the number of tenth's in the number 234.567

7. What is the next number in the sequence: 7, 5, 3, 1,...

8. If f = -4, what is the value of 2f + 5?

9. 4.5 X 10²

10. What is 15% of 40kg?

11. If the area of a square is 49m², what is the perimeter of this square?

12. 3y + 1 = 19, y = ?