1. 5 2
How many seats are there in the concert venue overall?
STAGE 3 2

2. 2 3 5 2 x 2
x 2
x 2 x 2
x 2
x 2
x 2
x 2

3. On your whiteboards… 2 6 x 4 a 3 x 5 7 x m 6 n x m y n x

4. True or False? = 6 2 9 x 15

5. True or False? = 6 y x 2y

6. True or False? = 6 4 3 + 9

7. True or False? = 6 a 3 x 18

8. True or False? = 4
(-2) 3 2 x
- 2 7

9. In your books: 6 (0.25) (1/4) y (a + b) (b + a) (-4) a y 2 2 5 x 5 6 x
2.5
(b + a) x 3
(-4) 2 x m a 6 x n y
n+1 x 6 2 x 2 x

10. Recap: = 6 4 x 9 = a x 9 10 = 6 a 3 x x = m y x 3m = 4 2 x 3

11. Finished? 5 a 2 x +
Can you write and answer a similar question?

12. Investigate: 2 What is the last digit of the number ?
2016 2
What is the last digit of the number ?
Write a convincing argument.