1. Learning Objective 18-Jun-16 To understand how to solve equations

2. Find the cost of the missing items

5. Learning Outcomes 18-Jun-16 To be able to recognise the role of the equals sign To be able to use a method for solving equations To be able to use symbols to represent unknown numbers

6. 4 + = 9 = MINI WHITEBOARDS

7. 10 ÷ = 2 = MINI WHITEBOARDS

8. - 4 = 6 = MINI WHITEBOARDS

9. 2 x + + 5 = 11 = MINI WHITEBOARDS

10. Solve the equation a + 3 = 10 Equations can be solved using FUNCTION MACHINES a + 310 a = - 37 7

11. Solve the equation x - 5 = 8 Equations can be solved using FUNCTION MACHINES x - 58 8 x = + 513

12. Solve the equation 5b = 30 Equations can be solved using FUNCTION MACHINES bx 530 b = ÷ 5 6 6

13. Solve the equation k ÷ 4 = 6 Equations can be solved using FUNCTION MACHINES k÷ 46 6 k = x 424

14. Solve the equation 2z + 3 = 19 Equations can be solved using FUNCTION MACHINES zx 219 z = ÷ 2 8 8 + 3 - 3

15. Solve the equation 5p - 6 = 29 Equations can be solved using FUNCTION MACHINES px 529 p = ÷ 5 7 7 - 6 + 6

16. Solve the equation 4(g – 3) = 8 Equations can be solved using FUNCTION MACHINES g- 38 8 g = + 3 5 5 x 4 ÷ 4

17. Learning Outcomes 18-Jun-16 To be able to use symbols to recognise the role of the equals sign To be able to use a method for solving equations To be able to use letters to replaces numbers and words

18. Bart thinks of a number. He multiplies it by 3, adds 6 to it and divides it by 9. The result is 3. a) Draw and complete a function machine for this problem b) Solve this problem to find Peter’s number c) EXTENSION: Write an equation for this problem

19. Bart thinks of a number. He multiplies it by 3, adds 6 to it and divides it by 9. The result is 3.