Busy at Maths - First Class
Well done! That's the right answer.
Hint
Test
7 + 6 =
+ 7
Check
10 + 7 = 7 +
Check
1
3
5
7
8
9
13
4
6
8
9
12
16
18
17 - 9 =
Check
© CJ Fallon 2014