Practice the questions given in the worksheet on multiplication table of 20. The questions are based on finding the product using the multiplication table of 20.
1. Count forward by 20’s from 20 to 400.
2. Count backwards by 20’s from 440 to 20.
3. Complete the chart multiplying the numbers by the center number:
4. Find each product using above multiplication table of 20.
4 10 8 5 9 7
× 20 × 20 × 20 × 20 × 20 × 20
5. One book costs 20 dollars. What is the cost of 10 such books?
6. Sandra purchased 20 packets of biscuits of the rate of $7 per pack. How much did she spend?
7. Name the number just after:
(i) 5 × 20
(ii) 12 × 20
(iii) 9 × 20
(iv) 10 × 20
(v) 4 × 20
8. Name the number just before:
(i) 5 × 20
(ii) 10 × 20
(iii) 9 × 20
(iv) 4 × 20
(v) 8 × 20
9. (i) What are 20 sixes?
(ii) 20 times 8?
(iii) 5 twenty’s?
(iv) Twenty times 7?
(v) What are 4 times 20?
(vi) Twenty’s 9?
(vii) 20 times 10?
(viii) Twenty’s 6?
(ix) What is 20 multiplied by 4?
(x) 8 multiplied by 20?
10. What does 20 × 12 mean? What number is it equal to?
11. Peterson bought 6 kg of sugar at the rate of $ 20 per kg. How much did he spend?
12. Pamela purchased 20 CD’s at the rate of $8 per CD. How much did she spend?
13. (i) How many twenty’s in 140?
(ii) How many twenty’s in 180?
(iii) How many twenty’s in 220?
Answers for the worksheet on multiplication table of 20 are given below to check the answers of the above multiplications.
Answers:
1. 20, 40, 60, 80, 100, 120, 140, 160, 180, 200, 220, 240, 260, 280, 300, 320, 340, 360, 380, 400.
2. 440, 420, 400, 380, 360, 340, 320, 300, 280, 260, 240, 220, 200, 180, 160, 140, 120, 100, 80, 60, 40, 20.
3.
4.
4 10 8 5 9 7
× 20 × 20 × 20 × 20 × 20 × 20
80 200 160 100 180 140
5. 200 dollars.
6. $140
7. (i) 101
(ii) 241
(iii) 181
(iv) 201
(v) 81
8. (i) 99
(ii) 199
(iii) 179
(iv) 79
(v) 159
9. (i) 120
(ii) 160
(iii) 100
(iv) 140
(v) 80
(vi) 180
(vii) 200
(viii) 120
(ix) 80
(x) 160
10. 20 × 12 means that the 20 and the 12 are multiplied together or ‘twenty twelves’ or ‘twenty times twelve’.
20 × 12 = 240
11. $120
12. $160
13. (i) 7
(ii) 9
(iii) 11
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