Monday, July 11, 2011

Maths Homework term2 week 11

We are consolidating our 'parking' strategy.
Remember
34-26= (park the 4 and 6)
30-20=10
10-6=4(take the 6 away from 10)
4+4=8 (add the 4 back on)

1. 52-37 2. 61-28 3. 44-17 4. 72-56 5. 93-68
6. 77-59 7. 103-77 8. 112-85 9. 122-94 10. 132-89
11. 121-99 12. 212-83 13. 235-84 14. 434-178

Write the family of facts for...
20, 20, 400 8, 30, 240 5, 70, 350 6,90, 540

Make up 4 more of your own. Remember, division is the direct inverse of multiplication.

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