1. Estimations
Saturday, 13 April 2019

2. Example
By rounding off each number below to a suitable degree of accuracy find an approximate answer to the following
a) 24×37
b) 46×72
c) 31×53
d) 76.8×20.9
e) 137×17

3. Example
By rounding off each number below to a suitable degree of accuracy find an approximate answer to the following
a) 54÷8.7
b) 416÷72
c) 301÷53
d) 768÷60.9
e) 103.7÷81.3

4. Example
By rounding off each number below to a suitable degree of accuracy find an approximate answer to the following a) b) c) d)
54×27 61
47×64 29
98×74 19
33×107 58

5. Example
The population of the France is 60.3 million. If approximately one third travelled abroad for their summer holidays approximately how many people stayed in France for the summer?