Friday, 21 October 2016

Willow maths set, can you complete these extra challenges?

Willow set maths challenge!
Can you solve these addition problems mentally?
1.  620 + _____ = 690
2.  550 + _____ = 1550
3.  4590 + _____ = 5690
4.  67981 + _____ = 77981
5.  350 + 700 =
6.  7890 + 4000 =
7.  3452 + 700 =
8.  5647 + 5 =
9.  5432 + 700 =
10. 16780 + 30 =

Chilli challenge: Can you create your own mental addition problems?

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