Multiplication by Ten, Hundred and Thousand
To multiply a number by 10, 100, or 1000 we need to count the number of zeroes in the multiplier and write the same number of zeroes to the right of the multiplicand.
Rules for the multiplication by 10, 100 and 1000:
Multiply by 10:
If we multiply a whole number by a 10, then we write one zero at the end of the multiplicand.
For example:
1275 × 10 = 12750
Multiply by Tens:
To multiply by tens write one zero (0) at the end of product and then multiply the remaining numbers.
Multiply by 100:
If we multiply a whole number by a 100, then we write two zeros at the end of the multiplicand.
For example:
1275 × 100 = 127500
Multiply by Hundreds:
To multiply by hundreds write two zero (00) at the end then multiply the remaining numbers.
Multiply by 1000: If we multiply a whole number by a 1000, then we write three zeros at the end of the multiplicand.
For example:
1275 × 1000 = 1275000
Multiply by Thousands:
To multiply by thousands write three zero (000) at the end then multiply the remaining numbers.
● To multiply a number by a multiplier having zero and
non-zero part, we put as many zeroes in the product as in the multiplier and
then multiply the number by non-zero part.
For example:
1275 × 20 = 25500
1275 × 300 = 382500
1275 × 5000 = 6375000
You can even keep the above chart for further reference.
Questions and Answers on Multiplication by Ten, Hundred and Thousand
1. Compare the given wheels by writing the product in the outermost circle.
(i)
Answers:
(ii)
Answers:
(iii)
Answers:
(iv)
Answers:
2. Multiply and write the product in the outermost circle.
(i)
Answer:
(ii)
Answer:
(iii)
Answer:
3. Multiply the following:
|
(i) Th H T O 5 × 1 0 _______________ |
(ii) Th H T O 2 0 × 1 0 _______________ |
|
(iii) Th H T O 9 8 × 1 0 _______________ |
(iv) Th H T O 1 4 0 × 1 0 _______________ |
|
(v) Th H T O 3 5 8 × 1 0 _______________ |
(vi) Th H T O 7 × 1 0 0 _______________ |
|
(vii) Th H T O 4 0 × 1 0 0 _______________ |
(viii) Th H T O 3 4 × 2 0 0 _______________ |
|
(ix) Th H T O 2 5 × 3 0 0 _______________ |
(x) Th H T O 1 4 × 4 0 0 _______________ |
|
(xi) Th H T O 4 × 2 0 0 0 _________________ |
(xii) Th H T O 3 × 2 0 0 0 _________________ |
|
(xiii) Th H T O 2 × 4 0 0 0 _________________ |
(xiv) Th H T O 3 × 3 0 0 0 _________________ |
|
(xv) Th H T O 9 × 1 0 0 0 _________________ |
4. Write the Products:
(i) 6 × 20 = _____
(ii) 3 × 30 = _____
(iii) 4 × 40 = _____
(iv) 7 × 50 = _____
(v) 20 × 300 = _____
(vi) 40 × 200 = _____
(vii) 14 × 400 = _____
(viii) 21 × 300 = _____
(ix) 2 × 2000 = _____
(x) 3 × 3000 = _____
(xi) 2 × 4000 = _____
(xii) 7 × 1000 = _____
5. Multiply the Following:
|
(i) Th H T O 1 7 × 5 0 _______________ |
(ii) Th H T O 4 2 × 2 0 _______________ |
|
(iii) Th H T O 2 1 × 4 0 _______________ |
(iv) Th H T O 4 × 6 0 _______________ |
|
(v) Th H T O 1 1 × 3 0 _______________ |
(vi) Th H T O 2 0 × 3 0 _______________ |
|
(vii) Th H T O 9 1 × 2 0 _______________ |
(viii) Th H T O 5 5 × 4 0 _______________ |
|
(ix) Th H T O 7 1 × 5 0 _______________ |
(x) Th H T O 2 6 × 8 0 _______________ |
|
(xi) Th H T O 7 × 7 0 0 _______________ |
(xii) Th H T O 9 × 8 0 0 _______________ |
|
(xiii) Th H T O 1 0 × 5 0 0 _______________ |
(xiv) Th H T O 1 7 × 4 0 0 _______________ |
|
(xv) Th H T O 1 9 × 3 0 0 _______________ |
(xvi) Th H T O 1 4 × 4 0 0 _______________ |
|
(xvii) Th H T O 1 5 × 6 0 0 _______________ |
(xviii) Th H T O 2 7 × 3 0 0 _______________ |
|
(xix) Th H T O 2 4 × 2 0 0 _______________ |
(xx) Th H T O 1 2 × 8 0 0 _______________ |
|
(xxi) Th H T O 6 × 1 0 0 0 _________________ |
(xxii) Th H T O 4 × 2 0 0 0 _________________ |
|
(xxiii) Th H T O 2 × 3 0 0 0 _________________ |
(xxiv) Th H T O 3 × 2 0 0 0 _________________ |
|
(xxv) Th H T O 5 × 1 0 0 0 _________________ |
6. Do these Sums in your Notebook:
(i) 14 × 20 = _____
(ii) 32 × 20 = _____
(iii) 65 × 40 = _____
(iv) 33 × 50 = _____
(v) 42 × 60 = _____
(vi) 123 × 20 = _____
(vii) 436 × 20 = _____
(viii) 400 × 20 = _____
(ix) 196 × 30 = _____
(x) 152 × 50 = _____
(xi) 40 × 200 = _____
(xii) 23 × 400 = _____
(xiii) 11 × 200 = _____
(xiv) 33 × 300 = _____
(xv) 42 × 200 = _____
(xvi) 3 × 2000 = _____
(xvii) 4 × 2000 = _____
(xviii) 5 × 1000 = _____
(xix) 2 × 3000 = _____
(xx) 8 × 1000 = _____
27. Find the missing multiplicand in each of the following
questions.
(i) ……………… × 40 = 36000
(ii) ……………… × 500 = 7500000
(iii) ……………… × 700 = 77000000
(iv) ……………… × 9000 = 81000
(v) ……………… × 80000 = 96000000
Answers:
(i) 900
(ii) 15000
(iii) 110000
(iv) 9
(v) 1200
8. Fill in the blanks.
(i) 17 × 10 = __________
(ii) 68 × __________ = 68000
(iii) 25 × 100 = __________
(iv) 100 × __________ = 22500
(v) 23 × 1000 = __________
(vi) __________ × 10 = 8900
(vii) 24 × 10 = __________
(viii) __________ × 1000 = 40000
(ix) 31 × 100 = __________
(x) __________ × 1000 = 48000
(xi) 78 × 1000 = __________
(xii) __________ × 18 = 18000
(xiii) 16 × __________ = 1600
(xiv) 100 × __________ = 68200
(xv) __________ × 42 = 420
(xvi) __________ × 115 = 11500
(xvii) 723 × __________ = 7230
(xviii) __________ × 1000 = 27000
(xix) __________ × 807 = 8070
(xx) __________ × 100 = 50900
(xxi) 1000 × __________ = 63000
(xxii) 999 × 100 = __________
Answer:
(i) 170
(ii) 1000
(iii) 2500
(iv) 225
(v) 23000
(vi) 890
(vii) 240
(viii) 40
(ix) 3100
(x) 48
(xi) 78000
(xii) 1000
(xiii) 100
(xiv) 682
(xv) 10
(xvi) 100
(xvii) 10
(xviii) 27
(xix) 10
(xx) 509
(xxi) 63
(xxii) 99900
- Addition Of Whole Numbers.
- Word Problems on Addition and Subtraction of Whole Numbers
- Subtraction Of Whole Numbers.
- Multiplication Of Whole Numbers.
- Properties Of Multiplication.
- Division Of Whole Numbers.
- Properties Of Division.
- Word Problems on Multiplication and Division of Whole Numbers
- Worksheet on Addition and Subtraction of Large Numbers
- Worksheet on Multiplication and Division of Large Numbers
- Worksheet on Operations On Whole Numbers
5th Grade Math problems
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