(b) Copy and complete the diagram to help you round the number 1812 to the nearest one hundred.
multiple of one hundred after
multiple of one hundred before
1812
1812 rounded to the nearest hundred is …
Let’s Practise
1 Letisha is rounding the number 4281 to the nearest 100. (a) Which of these number lines will help her the most?
2000
3000
4000
5000
6000
7000
A
4000
4100
4200
4300
4400
4500
4600
B
C 4230 4240 4250 4260 4270 4280 4290 4300 4310
4277
4278
4279
4280
4281
4282
4283
D
(b) Use your chosen number line to round 4281 to the nearest 100.
The price of a car is £2819. The salesman says the price is about £2000. Explain whether this is a good approximation.
2
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01/12/2021 14:59
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