1) Add numbers up to 10 (Y1)

2) Add numbers up to 20 (Y1)

3) Add a two-digit number and ones (Y2)

4) Add a two-digit number and tens (Y2)

5) Add two two-digit numbers (Y2)

6) Add three one-digit numbers (Y2)

7) Addition pairs that make 100 (multiples of 10) (Y3)

8) Addition pairs that make 100 (multiples of 5) (Y3))

9) Addition pairs that make 100 (Y3 & Y4)

10) Add pairs that make 1000 (multiples of 100) (Y3 & Y4)

11) Add a three-digit number and ones (Y3)

12) Add a three-digit number and tens (Y3)

13) Add a three-digit number and hundreds (Y3)

14) Add pairs of decimals (1dp) that make 1 (Y4 & Y5)

15) Add pairs of decimals (1dp) that make 10 (Y4 & Y5)

16) Add combinations of two and three digit numbers (Y4)

17) Add combinations of decimals (1dp) (Y4)

18) Add pairs of decimals (2dp) that make 1 (Y5 & Y6)

19) Add combinations of three-digit numbers (Y5 & Y6)

20) Add combinations of decimals (2dp) (Y5 & Y6)