1. Introduction to scale factor

2. Multiplicative relationships 1224  2 1248  4 12  1 126  1 1 2 3  1 1 4

3. Scale factors 20  5 100 24  1 1 4 6 3.2  1  8 8811 8811  1 1 8

4. Scaling 1  12.5 12.5 1  1 12.5 13.2  3.2  1 or  0.05 20 1 111  1 1

5. Unitary method 49 419  1 1 4  9  9 9 4

6. Number lines 419  1 1 4  9  9 9 4

7. Unitary method 157 17  1 1  7  7 7 15

8. Number lines 15 1 7  1 1  7 15

9. Inverse Relationships 1.2  3 3.6 1.2  3 5 8  8 8 5 8 5  8 8 5 10025  1 1 4 100  1 1 4 9 4  4 4 9 49  4 4 9

10. Kilometres and miles 85 815  1 1 8  5  5 5 8 40 km  5 5 8 25 miles 20 miles  5 5 8 32 km