Selina solutions

Selina solutions

Grade 6

Estimation | Exercise 2(B)

Question 10

Q10) Estimate each of the following quotients by converting each number to the nearest ten :

(i) 87\div28

(ii) 84\div23

(iii) 77\div22

(iv) 198\div24

(v) 355\div26

(vi) 444\div42

(vii) 843\div33

Solution 10:

(i) 87 ÷ 28

87 ÷ 28 is approximately to the nearest 10 equal to 90 ÷ 30 = 3

(ii) 84 ÷ 23

84 ÷ 23 is approximately to the nearest 10 equal to 80 ÷ 20 = 4

(iii) 77 ÷ 22

77 ÷ 22 is approximately to the nearest 10 equal to 80 ÷ 20 = 4

(iv) 198 ÷ 24

198 ÷ 24 is approximately to the nearest 10 equal to 200 ÷ 20 = 10

(v) 355 ÷ 26

355 ÷ 26 is approximately to nearest 10 equal to 360 ÷ 20 = 12

(vi) 444 ÷ 42

444 ÷42 is approximately to the nearest 10 equal to 440 ÷ 40 = 11

(vii) 843 ÷ 33

843 ÷ 33 is approximately to the nearest 10 equal to 840 ÷ 30 = 28

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subject-cta

Question 10

Q10) Estimate each of the following quotients by converting each number to the nearest ten :

(i) 87\div28

(ii) 84\div23

(iii) 77\div22

(iv) 198\div24

(v) 355\div26

(vi) 444\div42

(vii) 843\div33

Solution 10:

(i) 87 ÷ 28

87 ÷ 28 is approximately to the nearest 10 equal to 90 ÷ 30 = 3

(ii) 84 ÷ 23

84 ÷ 23 is approximately to the nearest 10 equal to 80 ÷ 20 = 4

(iii) 77 ÷ 22

77 ÷ 22 is approximately to the nearest 10 equal to 80 ÷ 20 = 4

(iv) 198 ÷ 24

198 ÷ 24 is approximately to the nearest 10 equal to 200 ÷ 20 = 10

(v) 355 ÷ 26

355 ÷ 26 is approximately to nearest 10 equal to 360 ÷ 20 = 12

(vi) 444 ÷ 42

444 ÷42 is approximately to the nearest 10 equal to 440 ÷ 40 = 11

(vii) 843 ÷ 33

843 ÷ 33 is approximately to the nearest 10 equal to 840 ÷ 30 = 28

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