You can work out each sum in your head (best) or on paper.
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Tap or click the answer-line of any sum and the keyboard will show. You can enter your answer and it will be instantly checked.
Group A
| (1) |
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|
3 |
2 |
5 |
|
| |
|
|
1 |
5 |
8 |
|
| |
|
|
2 |
5 |
8 |
|
| |
|
+ |
2 |
0 |
1 |
|
| |
|
|
|
|
|
|
| |
|
|
✓✕ |
| 942 |
| (2) |
|
|
7 |
5 |
8 |
|
| |
|
|
1 |
2 |
5 |
|
| |
|
|
4 |
1 |
4 |
|
| |
|
+ |
3 |
5 |
4 |
|
| |
|
|
|
|
|
|
| |
|
|
✓✕ |
| 1651 |
| (3) |
|
|
5 |
4 |
5 |
|
| |
|
|
2 |
4 |
5 |
|
| |
|
|
5 |
4 |
5 |
|
| |
|
+ |
1 |
7 |
7 |
|
| |
|
|
|
|
|
|
| |
|
|
✓✕ |
| 1512 |
| (4) |
|
|
4 |
7 |
5 |
|
| |
|
|
4 |
5 |
8 |
|
| |
|
|
1 |
8 |
7 |
|
| |
|
+ |
1 |
2 |
5 |
|
| |
|
|
|
|
|
|
| |
|
|
✓✕ |
| 1245 |
| (5) |
|
|
6 |
8 |
5 |
|
| |
|
|
3 |
4 |
1 |
|
| |
|
|
1 |
2 |
5 |
|
| |
|
+ |
8 |
7 |
9 |
|
| |
|
|
|
|
|
|
| |
|
|
✓✕ |
| 2030 |
| (6) |
|
|
9 |
8 |
5 |
|
| |
|
|
2 |
5 |
1 |
|
| |
|
|
5 |
4 |
8 |
|
| |
|
+ |
3 |
5 |
4 |
|
| |
|
|
|
|
|
|
| |
|
|
✓✕ |
| 2138 |
Group B
| (1) |
|
|
4 |
5 |
2 |
1 |
|
| |
|
|
9 |
8 |
7 |
5 |
|
| |
|
|
6 |
2 |
4 |
5 |
|
| |
|
|
3 |
5 |
2 |
4 |
|
| |
|
+ |
2 |
4 |
5 |
2 |
|
| |
|
|
|
|
|
|
|
| |
|
|
✓✕ |
| 26617 |
| (2) |
|
|
8 |
5 |
7 |
5 |
|
| |
|
|
8 |
7 |
6 |
5 |
|
| |
|
|
5 |
4 |
8 |
2 |
|
| |
|
|
3 |
6 |
5 |
4 |
|
| |
|
+ |
7 |
8 |
5 |
4 |
|
| |
|
|
|
|
|
|
|
| |
|
|
✓✕ |
| 34330 |
| (3) |
|
|
8 |
6 |
2 |
0 |
|
| |
|
|
9 |
8 |
5 |
7 |
|
| |
|
|
2 |
5 |
4 |
6 |
|
| |
|
|
9 |
5 |
0 |
2 |
|
| |
|
+ |
3 |
6 |
5 |
4 |
|
| |
|
|
|
|
|
|
|
| |
|
|
✓✕ |
| 34179 |
| (4) |
|
|
7 |
8 |
5 |
2 |
|
| |
|
|
2 |
0 |
1 |
4 |
|
| |
|
|
1 |
4 |
7 |
5 |
|
| |
|
|
5 |
4 |
8 |
2 |
|
| |
|
+ |
2 |
4 |
8 |
0 |
|
| |
|
|
|
|
|
|
|
| |
|
|
✓✕ |
| 19303 |
| (5) |
|
|
2 |
4 |
8 |
5 |
|
| |
|
|
5 |
4 |
7 |
8 |
|
| |
|
|
9 |
8 |
2 |
1 |
|
| |
|
|
1 |
4 |
5 |
2 |
|
| |
|
+ |
2 |
5 |
1 |
2 |
|
| |
|
|
|
|
|
|
|
| |
|
|
✓✕ |
| 21748 |
| (6) |
|
|
3 |
2 |
5 |
4 |
|
| |
|
|
1 |
2 |
5 |
4 |
|
| |
|
|
1 |
0 |
2 |
4 |
|
| |
|
|
6 |
8 |
4 |
5 |
|
| |
|
+ |
1 |
5 |
4 |
6 |
|
| |
|
|
|
|
|
|
|
| |
|
|
✓✕ |
| 13923 |
Group C
| (1) |
|
|
|
6 |
3 |
5 |
1 |
|
| |
|
|
|
5 |
4 |
2 |
1 |
|
| |
|
|
|
4 |
5 |
2 |
1 |
|
| |
|
|
|
1 |
2 |
5 |
2 |
|
| |
|
+ |
|
1 |
4 |
2 |
5 |
|
| |
|
|
|
|
|
|
|
|
| |
|
|
✓✕ |
| 18970 |
| (2) |
|
|
|
8 |
5 |
6 |
4 |
|
| |
|
|
|
2 |
1 |
5 |
2 |
|
| |
|
|
|
7 |
8 |
5 |
4 |
|
| |
|
|
|
4 |
2 |
1 |
5 |
|
| |
|
+ |
|
6 |
0 |
6 |
0 |
|
| |
|
|
|
|
|
|
|
|
| |
|
|
✓✕ |
| 28845 |
| (3) |
|
|
|
7 |
8 |
5 |
4 |
|
| |
|
|
|
9 |
8 |
7 |
5 |
|
| |
|
|
|
2 |
3 |
6 |
4 |
|
| |
|
|
|
1 |
4 |
5 |
1 |
|
| |
|
+ |
|
1 |
0 |
1 |
0 |
|
| |
|
|
|
|
|
|
|
|
| |
|
|
✓✕ |
| 18970 |
| (4) |
|
|
|
1 |
4 |
5 |
2 |
|
| |
|
|
|
4 |
5 |
2 |
4 |
|
| |
|
|
|
|
1 |
4 |
5 |
|
| |
|
|
|
4 |
7 |
5 |
4 |
|
| |
|
+ |
|
|
1 |
4 |
8 |
|
| |
|
|
|
|
|
|
|
|
| |
|
|
✓✕ |
| 11023 |
| (5) |
|
|
|
8 |
7 |
9 |
5 |
|
| |
|
|
|
4 |
5 |
8 |
2 |
|
| |
|
|
|
1 |
4 |
2 |
5 |
|
| |
|
|
|
4 |
8 |
7 |
5 |
|
| |
|
+ |
|
7 |
5 |
4 |
2 |
|
| |
|
|
|
|
|
|
|
|
| |
|
|
✓✕ |
| 27219 |
| (6) |
|
|
2 |
8 |
7 |
5 |
1 |
|
| |
|
|
|
5 |
4 |
7 |
8 |
|
| |
|
|
1 |
8 |
4 |
5 |
2 |
|
| |
|
|
|
9 |
9 |
5 |
5 |
|
| |
|
+ |
1 |
9 |
8 |
8 |
7 |
|
| |
|
|
|
|
|
|
|
|
| |
|
|
✓✕ |
| 442523 |
| (7) |
|
|
5 |
2 |
3 |
6 |
5 |
|
| |
|
|
|
4 |
5 |
2 |
5 |
|
| |
|
|
|
4 |
5 |
3 |
1 |
|
| |
|
|
1 |
4 |
7 |
5 |
8 |
|
| |
|
+ |
|
2 |
1 |
0 |
0 |
|
| |
|
|
|
|
|
|
|
|
| |
|
|
✓✕ |
| 617979 |
| (8) |
|
|
|
1 |
5 |
4 |
8 |
|
| |
|
|
5 |
9 |
8 |
5 |
4 |
|
| |
|
|
|
9 |
5 |
8 |
8 |
|
| |
|
|
|
7 |
9 |
9 |
6 |
|
| |
|
+ |
4 |
9 |
9 |
9 |
9 |
|
| |
|
|
|
|
|
|
|
|
| |
|
|
✓✕ |
| 938985 |
| (9) |
|
|
|
5 |
6 |
0 |
2 |
|
| |
|
|
|
4 |
5 |
2 |
1 |
|
| |
|
|
3 |
2 |
5 |
6 |
4 |
|
| |
|
|
4 |
7 |
8 |
5 |
6 |
|
| |
|
+ |
|
|
4 |
5 |
8 |
|
| |
|
|
|
|
|
|
|
|
| |
|
|
✓✕ |
| 721001 |
| (10) |
|
|
|
7 |
8 |
9 |
5 |
|
| |
|
|
|
7 |
8 |
9 |
6 |
|
| |
|
|
4 |
5 |
6 |
8 |
7 |
|
| |
|
|
|
7 |
8 |
9 |
6 |
|
| |
|
+ |
|
|
8 |
7 |
5 |
|
| |
|
|
|
|
|
|
|
|
| |
|
|
✓✕ |
| 70249 |
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