3. Now try these. a) 156mm ÷ 4 d) 5m 4cm ÷ 12 g) 9.053km ÷ 11


b) 2km 344m ÷ 8 e) 56.7cm ÷ 9 h) 708cm ÷ 6


4. If every brick in the wall is 25cm 7mm high and the wall is 8 bricks high, what is the exact height of the wall?


5. Barry walked to school 3 days this week. If he walked a total distance of 2km 58m over the 3 days, how far is the school from his house?


6. If a row of terraced houses stretches 68.95m and there are 5 houses in the row, how wide is each house?


c) 11.76m ÷ 7 f) 3975m ÷ 5


i) 14cm 1mm ÷ 3


Estimate Length and Choose Appropriate Units of Measurement


List all the instruments that you can think of that are used to measure lengths or distances. Compare your list with the people around you. If there are any that you have not heard of before, find out what they are used to measure.


Can you estimate how wide this maths book is? What unit of measurement did you use to make your guess? I bet it wasn’t kilometres.


7. Estimate the following using the most appropriate units of measurement. a) The width of your copy b) The length of the blackboard/whiteboard c) The width of a window in the classroom d) The thickness of your copy e) The height of your teacher


152 Length


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