MCQ Questions

Question No. 1

Round the following numbers to the nearest 10.

Answer :

a) 13

b) 23

c) 18

d) 26

e) 24

f) 17

g) 22

h) 14

i) 25

j) 15

Question No. 2

Round the following numbers to the nearest 100.

Question No. 3

Round the following numbers to the nearest 1 000.

Question No. 4

Round the following numbers to the nearest 10, 100 and 1 000.

Question No. 5

Round the following to one decimal place.

Question No. 6

Round the following to two decimal places.

Question No. 7

Round the following to three decimal places.

Question No. 8

Round the following to one significant figure.

Question No. 9

Round the following to two significant figures.

Question No. 10

Round the following to three significant figures.

Question No. 11

First round each number to the nearest 10 and then approximate the answer.

Answer :

a) 999 + 11

b) 35 × 12

c) 83 ÷ 20

d) 109 − 69

e) 273 − 87

f) 767 − 55

g) 56 × 24

h) 312 ÷ 12

Question No. 12

First round each number to one decimal place and then approximate the answers.

Question No. 13

Approximate the answers below by rounding to one significant figure.

Answer :

a) A park has dimensions of 43 m by 62 m. What is the area of the park?

b) Biola measures two parts of a wall. One part is 4.6 m long, the other part is 3.71 m long. What is the total length of the wall?

c) Yetunde measures the heights of five people: 1.26 m, 1.41 m, 1.13 m, 1.30 m and 1.07 m. What is the approximate sum of all the heights?

d) Kumbi likes cycling. He cycled 4.8 km on Saturday and 9.34 km on Sunday. How far did he cycle in total?

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