Before proceeding to the solution of examples and problems be sure to read the theoretical part of the lesson
Rounding numbers
1. When rounded to the nearest thousand, which number would be rounded to 4,000? Place a check mark beside your answer.
а) 3,481;
b) 3,542;
c) 5,000;
d) 4,769.
2. Yousef is collecting signatures to
build a park in his town. He needs 8,000 signatures to submit his petition. So
far he has collected 2,875. Rounding to the nearest thousand, how many
signatures can we estimate Yousef still needs to collect?
а) 5,000;
b) 5,125;
c) 5,200; d)
5,300.
3. George has been measuring the amount of rainfall for
the last three months. He measured 3.562 inches in
April, 2.765 inches in May, and 3.015
inches in June. Rounding to the nearest tenth of an inch, what was the total
amount of rainfall during these three months?
а) 9.355; b) 9.340;
c) 9.350; d) 9.400.
4. A newspaper reposts that 42000
people went to football match. If this number had been rounded to the nearest 1000,
write down the lowest number of people that could have been at the football
match.
а) 41550; b) 41500;
c) 41450; d)
42000.
5. 12400
people live in the town of Tadcaster (to the nearest 100). Write down the
greatest number of people that might live in Tadcaster.
а) 12549; b)
12450;
c) 12448; d) 12449.
6. Barbara is organizing a coach trip for 260
people. Each coach will hold 48 people. How many coaches will be needed?
а) 7; b) 6;
c) 5,4;
d) 5.
The population of some Scottish towns in
the year 1800
are shown on the map. Write downs each town and round its population to the
nearest 1000.
7. Oban, 1473.
а) 1000;
b) 1500;
c) 1400; d)
1550.
8. Perth, 2107.
а) 2100; b) 2000;
c) 2110; d)
2000.
9. Dundee, 5874.
а) 6100;
b) 5900;
c) 5870;
d) 6000.
10. Ayr, 3555.
а) 4000;
b) 3500;
c) 4100;
d) 3600.
11. Peebles, 950.
а) 990; b) 900;
c) 1000;
d) 1001.
12. Edinburgh, 43707.
а) 43700; b) 44000;
c) 44100; d)
43710.
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