To multiply a quantity by 10, 100, or 1000 we have to rely the
variety of zeroes within the multiplier and write the identical variety of zeroes to the
proper of the multiplicand.
Guidelines for the multiplication by 10, 100 and 1000:
Multiply by 10:
If we multiply a complete quantity by a ten, then we write
one zero on the finish of the multiplicand.
For instance:
1275 × 10 = 12750
Multiply by Tens:
To multiply by tens write one zero (0) on the finish of product after which multiply the remaining numbers.
Multiply by 100:
If we multiply a complete quantity by a 100, then we write two zeros on the finish of the multiplicand.
For instance:
1275 × 100 = 127500
Multiply by A whole lot:
To multiply by lots of write two zero (00) on the finish then multiply the remaining numbers.
Multiply by 1000: If we multiply a complete quantity by a 1000, then we write three zeros on the finish of the multiplicand.
For instance:
1275 × 1000 = 1275000
Multiply by Hundreds:
To multiply by hundreds write three zero (000) on the finish then multiply the remaining numbers.
● To multiply a quantity by a multiplier having zero and
non-zero half, we put as many zeroes within the product as within the multiplier and
then multiply the quantity by non-zero half.
For instance:
1275 × 20 = 25500
1275 × 300 = 382500
1275 × 5000 = 6375000
You’ll be able to even preserve the above chart for additional reference.
Questions and Solutions on Multiplication by Ten, Hundred and Thousand
1. Evaluate the given wheels by writing the product within the outermost circle.
(i)
Solutions:
(ii)
Solutions:
(iii)
Solutions:
(iv)
Solutions:
2. Multiply and write the product within the outermost circle.
(i)
Reply:
(ii)
Reply:
(iii)
Reply:
3. Multiply the next:
|
(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 Merchandise:
(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 Pocket book:
(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. Discover the lacking multiplicand in every of the next
questions.
(i) ……………… × 40 = 36000
(ii) ……………… × 500 = 7500000
(iii) ……………… × 700 = 77000000
(iv) ……………… × 9000 = 81000
(v) ……………… × 80000 = 96000000
Solutions:
(i) 900
(ii) 15000
(iii) 110000
(iv) 9
(v) 1200
8. Fill within 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 = __________
Reply:
(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
● Operations On Complete Numbers
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