GRADE 6
Rounding whole numbers
You can round numbers to tell about how much or about how many. Rounding is one way to estimate.
1.
2.
3.
Approximate these measurements to the nearest whole unit.
61,66 kilograms ..............................
24,3 metres ..............................
135,17 kilometres ..............................
19,53 litres ..............................
4 321,49 metres ..............................
Round to the nearest hundred.
23 196
97 972
88 015
30 625
Study the information in the table below and answer the questions that follow.
Province NumberRounding
..............................
Eastern Cape
6 743 841
Free State
2 824 499
..............................
Gauteng
11 191 702
..............................
KwaZulu-Natal 10 645 361
..............................
Limpopo
5 439 623
..............................
Mpumalanga
3 617 639
..............................
Northern Cape 1 103 864
..............................
North West
3 200 911
..............................
Western Cape 5 223 875
..............................
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■
■
■
Source: Statistics South Africa
3.1 Round off the population for each province to the nearest hundred.
3.2 Estimate the total population of the 9 provinces. ....................................................................
3.3 Arrange the population numbers in ascending order and write down
the provinces they belong to.
Population numbers
Province
1.
2.
3.
4.
5.
6.
7.
8.
9.
Total
A woman has
seven daughters,
and each
daughter has
a brother. How
many children
does the
woman have all
together?
4. What is the total population of South Africa to the nearest million?
...................................................................................................................................................................................................................................
Answer: She has eight children!
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