1. Find multiplication of `342` and `7`
Solution:
Hints : (Move mouse over the steps for detail calculation highlight)
Step-1 : `342×7=?`
`1. 7×2=14.``:.` put down `4` and carry `1`
`2. 7×4+1=28+1=29.``:.` put down `9` and carry `2`
`3. 7×3+2=21+2=23.``:.` put down `3` and carry `2` | |
Answer = 2394
2. Find multiplication of `4205` and `14`
Solution:
| | | | | |
| 1 | | | 2 | |
| | 4 | 2 | 0 | 5 |
| | | × | 1 | 4 |
|
| 1 | 6 | 8 | 2 | 0 |
| 4 | 2 | 0 | 5 | 0 |
|
| 5 | 8 | 8 | 7 | 0 |
Hints : (Move mouse over the steps for detail calculation highlight)
Step-1 : `4205×4=?`
`1. 4×5=20.``:.` put down `0` and carry `2`
`2. 4×0+2=0+2=2.``:.` put down `2`
`3. 4×2=8.``:.` put down `8`
`4. 4×4=16.``:.` put down `6` and carry `1` | Step-2 : `4205×1=?`
`1. 1×5=5.``:.` put down `5`
`2. 1×0=0.``:.` put down `0`
`3. 1×2=2.``:.` put down `2`
`4. 1×4=4.``:.` put down `4` |
Answer = 58870
3. Find multiplication of `3069` and `74`
Solution:
| | 2 | | 4 | 6 | |
| | 1 | | 2 | 3 | |
| | | 3 | 0 | 6 | 9 |
| | | | × | 7 | 4 |
|
| | 1 | 2 | 2 | 7 | 6 |
| 2 | 1 | 4 | 8 | 3 | 0 |
|
| 2 | 2 | 7 | 1 | 0 | 6 |
Hints : (Move mouse over the steps for detail calculation highlight)
Step-1 : `3069×4=?`
`1. 4×9=36.``:.` put down `6` and carry `3`
`2. 4×6+3=24+3=27.``:.` put down `7` and carry `2`
`3. 4×0+2=0+2=2.``:.` put down `2`
`4. 4×3=12.``:.` put down `2` and carry `1` | Step-2 : `3069×7=?`
`1. 7×9=63.``:.` put down `3` and carry `6`
`2. 7×6+6=42+6=48.``:.` put down `8` and carry `4`
`3. 7×0+4=0+4=4.``:.` put down `4`
`4. 7×3=21.``:.` put down `1` and carry `2` |
Answer = 227106
This material is intended as a summary. Use your textbook for detail explanation.
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