Upper and Lower Bounds 2 - Calculations www.waldomaths.com Copyright © Waldomaths.com 2010, all rights reserved.

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Presentation transcript:

Upper and Lower Bounds 2 - Calculations Copyright © Waldomaths.com 2010, all rights reserved

Two ropes, A and B, have lengths: A = 36m to the nearest metre B = 23m to the nearest metre.

1 What are the upper and lower bounds for A + B? Addition

2 What are the upper and lower bounds for A - B? Subtraction

h = 6.4cm (nearest mm) w = 11.7cm (nearest mm) Area = wh = ? Multiplication What are the upper and lower bounds of the area of the rectangle?

Division h = 4cm (nearest cm) w = 7cm (nearest cm) x What are the upper and lower bounds of the angle x ?

Summary

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