Patterns and sequences
E
You will need some 5 × 5 grid squares. Choose any number in the middle of the grid and colour it yellow. Now colour 4 ‘petals’ to the left and right and above and below.
1 2 3 4 5
6 7 8 9 10
11 12 13 14 15
16 17 18 19 20
21 22 23 24 25
Investigate the sum of the petals for different middle numbers. Record your results in a table. Middle number Petals Total 8 3 7 9 13 32
What patterns do you notice? Can you write a rule?
153
SK_G5_SB_12_144-155.indd 153
01/12/2021 14:56
Made with FlippingBook Learn more on our blog