Enter 2 numbers for Basic Math Operations:
Use multiplication:
28028171 x 99:
Line up our numbers vertically:
| 2 | 8 | 0 | 2 | 8 | 1 | 7 | 1 | |
| x | 9 | 9 |
Current result: 9 x 1 = 9
| 2 | 8 | 0 | 2 | 8 | 1 | 7 | 1 | ||||
| x | 9 | 9 | |||||||||
| 9 |
Show value = 9
Current result: 9 x 7 = 63
| 2 | 8 | 0 | 2 | 8 | 1 | 7 | 1 | ||||
| x | 9 | 9 | |||||||||
| 3 | 9 |
Show value = 3
Carry value = 6
Step 3:
Last step carry value was 6.
Our current result equals:
9 x 1 + Carry value of 6 = 15
| 6 | |||||||||||
| 2 | 8 | 0 | 2 | 8 | 1 | 7 | 1 | ||||
| x | 9 | 9 | |||||||||
| 5 | 3 | 9 |
Show value = 5
Carry value = 1
Step 4:
Last step carry value was 1.
Our current result equals:
9 x 8 + Carry value of 1 = 73
| 1 | 6 | ||||||||||
| 2 | 8 | 0 | 2 | 8 | 1 | 7 | 1 | ||||
| x | 9 | 9 | |||||||||
| 3 | 5 | 3 | 9 |
Show value = 3
Carry value = 7
Step 5:
Last step carry value was 7.
Our current result equals:
9 x 2 + Carry value of 7 = 25
| 7 | 1 | 6 | |||||||||
| 2 | 8 | 0 | 2 | 8 | 1 | 7 | 1 | ||||
| x | 9 | 9 | |||||||||
| 5 | 3 | 5 | 3 | 9 |
Show value = 5
Carry value = 2
Step 6:
Last step carry value was 2.
Our current result equals:
9 x 0 + Carry value of 2 = 2
| 2 | 7 | 1 | 6 | ||||||||
| 2 | 8 | 0 | 2 | 8 | 1 | 7 | 1 | ||||
| x | 9 | 9 | |||||||||
| 2 | 5 | 3 | 5 | 3 | 9 |
Show value = 2
Current result: 9 x 8 = 72
| 2 | 7 | 1 | 6 | ||||||||
| 2 | 8 | 0 | 2 | 8 | 1 | 7 | 1 | ||||
| x | 9 | 9 | |||||||||
| 2 | 2 | 5 | 3 | 5 | 3 | 9 |
Show value = 2
Carry value = 7
Step 8:
Last step carry value was 7.
Our current result equals:
9 x 2 + Carry value of 7 = 25
| 7 | 2 | 7 | 1 | 6 | |||||||
| 2 | 8 | 0 | 2 | 8 | 1 | 7 | 1 | ||||
| x | 9 | 9 | |||||||||
| 2 | 5 | 2 | 2 | 5 | 3 | 5 | 3 | 9 |
Show value = 25
New multiplication row:
Insert a 0 as our placeholder
Current result: 9 x 1 = 9
| 2 | 8 | 0 | 2 | 8 | 1 | 7 | 1 | ||||
| x | 9 | 9 | |||||||||
| 2 | 5 | 2 | 2 | 5 | 3 | 5 | 3 | 9 | |||
| 9 | 0 |
Show value = 9
Current result: 9 x 7 = 63
| 2 | 8 | 0 | 2 | 8 | 1 | 7 | 1 | ||||
| x | 9 | 9 | |||||||||
| 2 | 5 | 2 | 2 | 5 | 3 | 5 | 3 | 9 | |||
| 3 | 9 | 0 |
Show value = 3
Carry value = 6
Step 11:
Last step carry value was 6.
Our current result equals:
9 x 1 + Carry value of 6 = 15
| 6 | |||||||||||
| 2 | 8 | 0 | 2 | 8 | 1 | 7 | 1 | ||||
| x | 9 | 9 | |||||||||
| 2 | 5 | 2 | 2 | 5 | 3 | 5 | 3 | 9 | |||
| 5 | 3 | 9 | 0 |
Show value = 5
Carry value = 1
Step 12:
Last step carry value was 1.
Our current result equals:
9 x 8 + Carry value of 1 = 73
| 1 | 6 | ||||||||||
| 2 | 8 | 0 | 2 | 8 | 1 | 7 | 1 | ||||
| x | 9 | 9 | |||||||||
| 2 | 5 | 2 | 2 | 5 | 3 | 5 | 3 | 9 | |||
| 3 | 5 | 3 | 9 | 0 |
Show value = 3
Carry value = 7
Step 13:
Last step carry value was 7.
Our current result equals:
9 x 2 + Carry value of 7 = 25
| 7 | 1 | 6 | |||||||||
| 2 | 8 | 0 | 2 | 8 | 1 | 7 | 1 | ||||
| x | 9 | 9 | |||||||||
| 2 | 5 | 2 | 2 | 5 | 3 | 5 | 3 | 9 | |||
| 5 | 3 | 5 | 3 | 9 | 0 |
Show value = 5
Carry value = 2
Step 14:
Last step carry value was 2.
Our current result equals:
9 x 0 + Carry value of 2 = 2
| 2 | 7 | 1 | 6 | ||||||||
| 2 | 8 | 0 | 2 | 8 | 1 | 7 | 1 | ||||
| x | 9 | 9 | |||||||||
| 2 | 5 | 2 | 2 | 5 | 3 | 5 | 3 | 9 | |||
| 2 | 5 | 3 | 5 | 3 | 9 | 0 |
Show value = 2
Current result: 9 x 8 = 72
| 2 | 7 | 1 | 6 | ||||||||
| 2 | 8 | 0 | 2 | 8 | 1 | 7 | 1 | ||||
| x | 9 | 9 | |||||||||
| 2 | 5 | 2 | 2 | 5 | 3 | 5 | 3 | 9 | |||
| 2 | 2 | 5 | 3 | 5 | 3 | 9 | 0 |
Show value = 2
Carry value = 7
Step 16:
Last step carry value was 7.
Our current result equals:
9 x 2 + Carry value of 7 = 25
| 7 | 2 | 7 | 1 | 6 | |||||||
| 2 | 8 | 0 | 2 | 8 | 1 | 7 | 1 | ||||
| x | 9 | 9 | |||||||||
| 2 | 5 | 2 | 2 | 5 | 3 | 5 | 3 | 9 | |||
| 2 | 5 | 2 | 2 | 5 | 3 | 5 | 3 | 9 | 0 |
Show value = 25
FINAL ADDITION SECTION
Add up our results by column:
| 2 | 8 | 0 | 2 | 8 | 1 | 7 | 1 | ||||
| x | 9 | 9 | |||||||||
| 2 | 5 | 2 | 2 | 5 | 3 | 5 | 3 | 9 | |||
| 2 | 5 | 2 | 2 | 5 | 3 | 5 | 3 | 9 | 0 | ||
| 9 |
Adding up column 1, we get: 9 + 0
Our column sum becomes 9.
| 2 | 8 | 0 | 2 | 8 | 1 | 7 | 1 | ||||
| x | 9 | 9 | |||||||||
| 2 | 5 | 2 | 2 | 5 | 3 | 5 | 3 | 9 | |||
| 2 | 5 | 2 | 2 | 5 | 3 | 5 | 3 | 9 | 0 | ||
| 2 | 9 |
Adding up column 2, we get: 3 + 9
Our column sum becomes 12.
Since our sum is greater than 9, we will carry a 1 over for the next column sum.
| 2 | 8 | 0 | 2 | 8 | 1 | 7 | 1 | ||||
| x | 9 | 9 | |||||||||
| 2 | 5 | 2 | 2 | 5 | 3 | 5 | 3 | 9 | |||
| 2 | 5 | 2 | 2 | 5 | 3 | 5 | 3 | 9 | 0 | ||
| 9 | 2 | 9 |
Adding up column 3, we get: 5 + 3
Add carry value 1 to this column sum to get 9.
| 2 | 8 | 0 | 2 | 8 | 1 | 7 | 1 | ||||
| x | 9 | 9 | |||||||||
| 2 | 5 | 2 | 2 | 5 | 3 | 5 | 3 | 9 | |||
| 2 | 5 | 2 | 2 | 5 | 3 | 5 | 3 | 9 | 0 | ||
| 8 | 9 | 2 | 9 |
Adding up column 4, we get: 3 + 5
Our column sum becomes 8.
| 2 | 8 | 0 | 2 | 8 | 1 | 7 | 1 | ||||
| x | 9 | 9 | |||||||||
| 2 | 5 | 2 | 2 | 5 | 3 | 5 | 3 | 9 | |||
| 2 | 5 | 2 | 2 | 5 | 3 | 5 | 3 | 9 | 0 | ||
| 8 | 8 | 9 | 2 | 9 |
Adding up column 5, we get: 5 + 3
Our column sum becomes 8.
| 2 | 8 | 0 | 2 | 8 | 1 | 7 | 1 | ||||
| x | 9 | 9 | |||||||||
| 2 | 5 | 2 | 2 | 5 | 3 | 5 | 3 | 9 | |||
| 2 | 5 | 2 | 2 | 5 | 3 | 5 | 3 | 9 | 0 | ||
| 7 | 8 | 8 | 9 | 2 | 9 |
Adding up column 6, we get: 2 + 5
Our column sum becomes 7.
| 2 | 8 | 0 | 2 | 8 | 1 | 7 | 1 | ||||
| x | 9 | 9 | |||||||||
| 2 | 5 | 2 | 2 | 5 | 3 | 5 | 3 | 9 | |||
| 2 | 5 | 2 | 2 | 5 | 3 | 5 | 3 | 9 | 0 | ||
| 4 | 7 | 8 | 8 | 9 | 2 | 9 |
Adding up column 7, we get: 2 + 2
Our column sum becomes 4.
| 2 | 8 | 0 | 2 | 8 | 1 | 7 | 1 | ||||
| x | 9 | 9 | |||||||||
| 2 | 5 | 2 | 2 | 5 | 3 | 5 | 3 | 9 | |||
| 2 | 5 | 2 | 2 | 5 | 3 | 5 | 3 | 9 | 0 | ||
| 7 | 4 | 7 | 8 | 8 | 9 | 2 | 9 |
Adding up column 8, we get: 5 + 2
Our column sum becomes 7.
| 2 | 8 | 0 | 2 | 8 | 1 | 7 | 1 | ||||
| x | 9 | 9 | |||||||||
| 2 | 5 | 2 | 2 | 5 | 3 | 5 | 3 | 9 | |||
| 2 | 5 | 2 | 2 | 5 | 3 | 5 | 3 | 9 | 0 | ||
| 7 | 7 | 4 | 7 | 8 | 8 | 9 | 2 | 9 |
Adding up column 9, we get: 2 + 5
Our column sum becomes 7.
| 2 | 8 | 0 | 2 | 8 | 1 | 7 | 1 | ||||
| x | 9 | 9 | |||||||||
| 2 | 5 | 2 | 2 | 5 | 3 | 5 | 3 | 9 | |||
| 2 | 5 | 2 | 2 | 5 | 3 | 5 | 3 | 9 | 0 | ||
| 2 | 7 | 7 | 4 | 7 | 8 | 8 | 9 | 2 | 9 |
Adding up column 10, we get: 2
Our column sum becomes 2.
Excel or Google Sheets formula:
Excel or Google Sheets formula:=28028171*99Final Answer
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What is the Answer?
How does the Basic Math Operations Calculator work?
* Addition (Adding) (+)
* Subtraction (Subtracting) (-)
* Multiplication (Multiplying) (x)
* Long division (Dividing) with a remainder (÷)
* Long division to decimal places (÷)
* Partial Sums (Shortcut Sums)
* Short Division
* Duplication and Mediation
This calculator has 2 inputs.
What 4 formulas are used for the Basic Math Operations Calculator?
What 10 concepts are covered in the Basic Math Operations Calculator?
- addition
- math operation involving the sum of elements
- basic math
- Elementary math subject to help students understand fundamentals, before moving on to more difficult subjects
- basic math operations
- long division
- a standard division algorithm suitable for dividing multi-digit numerals that is simple enough to perform by hand.
- multiplication
- math operation involving the product of elements
- operations
- partial
- A part of a whole. Incomplete.
- remainder
- The portion of a division operation leftover after dividing two integers
- subtraction
- math operation involving the difference of elements
- sum
- the total amount resulting from the addition of two or more numbers, amounts, or items
Example calculations for the Basic Math Operations Calculator
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