1. Subtraction Grids

2. For each grid you will need to draw 5 vertical lines on your whiteboard like this ….

3. Then draw 5 horizontal lines on your whiteboard like this ….

4. Then copy the numbers on the examples shown
Then copy the numbers on the examples shown. Make sure to look at the top left corner to see what sort of calculation needs to be done. - 18 26 34 2 7 9

5. Take the vertical numbers away from the horizontal numbers, one at a time. Your teacher will show you how on this example. - 18 26 34 2 7 9

6. Answers - 18 26 34 2 16 24 32 7 11 19 27 9 17 25

7. Questions - 18 56 24 8 7 5

8. Answers - 18 56 24 8 10 48 16 7 11 49 17 5 13 51 19

9. Questions -
190
170
150 80 70

10. Answers -
190
170
150 80
110 90 70
120
100 40 30