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Rounding Decimals Worksheet

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Rounding Decimals Worksheet

Round each number to the place value named. For written questions, show your working where you can.

Rounding to a Place Value

1.Round 46.72 to the nearest whole number.

46
47
46.7
50

2.Round 9.364 to the nearest tenth.

9.3
9.4
9.36
10

3.Round 27.835 to the nearest hundredth.

27.83
27.84
27.8
27.9

4.Select every decimal that rounds to 6 when rounded to the nearest whole number.

5.52
6.41
5.48
6.50

5.The number line shows 3.6 between 3 and 4. Round 3.6 to the nearest whole number.

Rounding in Everyday Situations

6.At a fruit shop, pears cost $5.78, yoghurt costs $3.26, and oats cost $7.61. Round each price to the nearest dollar, then add the rounded prices to estimate the total.

7.A hiking track is 3.746 km long. Write its length rounded to the nearest kilometre, nearest tenth of a kilometre, and nearest hundredth of a kilometre.

8.A morning temperature is 13.58°C. What would it be when reported to the nearest whole degree?

9.A school lunch costs $4.85 and a drink costs $2.35. Estimate their combined cost by rounding each price to the nearest dollar. Explain one way this estimate could help someone plan their spending.

Problem Solving

10.Keira has $40 to buy a sketch pad for $11.72, coloured pencils for $9.48, a glue stick for $2.63, and a folder for $6.19. Round each price to the nearest dollar and find the estimated total. Does the estimate fit within her budget?

11.A drink recipe needs 2.846 litres of water. The measuring jug has markings every tenth of a litre. How much water should be measured when rounding to the nearest tenth?

12.The number line marks 4.0, 4.1, 4.2, 4.3 and 4.4. A point is placed at 4.25. Round 4.25 to the nearest tenth.

13.When rounding a decimal, what do you do if the digit immediately to the right of the rounding place is 5 or more? Give an example using 6.75 rounded to the nearest tenth.