Show how you solve these number problems by using nearest 10 strategy
or x2 or x5 strategy.

1. 9 x 6
10x6=60
1x6=6. 6-60=54

2. 8 x 9
10x8=80
1x8=8. 8-80=72

3. 7 x 8
10x7=70
1x7=7.7-70=56

4. 4 x 9
10x4=40
1x4=4.4-40=36

5. 5 x 9
10x5=50
1x5=5.5-50=45

6. 9 x 7
10x7=70
1x7=7.7-70=63

7. 8 x 8
10x8=80
1x8=8.8-80=76
8. 9 x 3
10x3=30
1x3=3.3-30=27

9. 12 x 6
10x6=60
1x6=1.6-60=54

10.13 x 7
10x7=70
1x7=7.7-70=63