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Monday 18 November 2013

Maths Strategy!!!

1. Trevor has to drive 422 km’s. He looks at his odometer and sees he has gone 289kms. How much further has he got to go?

 422- 289 = ?
289+ ?= 422


289 +1= 290
290+10= 300
300+122=

 1+10+122= 133
Posted by Roezala at 13:14

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