Use addition:

9865 + 1245:

Line up our numbers vertically:

  9865
+1245

          
  9865
+1245
        0


Column 1: 5 + 5 = 10

Since 10 > 9, we take the right digit = 0.
Carry the 1 for Column 2


      1  
  9865
+1245
      10


Column 2: Carry the 1 from Column 1
1 + 6 + 4 = 11

Since 11 > 9, we take the right digit = 1.
Carry the 1 for Column 3


    11  
  9865
+1245
    110


Column 3: Carry the 1 from Column 2
1 + 8 + 2 = 11

Since 11 > 9, we take the right digit = 1.
Carry the 1 for Column 4


  111  
  9865
+1245
  1110


Column 4: Carry the 1 from Column 3
1 + 9 + 1 = 11

Since 11 > 9, we take the right digit = 1.
Carry the 1 for Column 5


1111  
  9865
+1245
11110
Column 5: Bring the 1 down from Column 1 and we are finished.


Excel or Google Sheets formula:

Excel or Google Sheets formula:=9865 + 1245

Final Answer


Answer = 9865 + 1245 = 11110


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Common Core State Standards In This Lesson
K.OA.A.5, 1.NBT.C.4, 1.NBT.C.5, 2.NBT.B.5, 2.NBT.B.6, 2.NBT.B.7, 2.NBT.B.8, 2.NBT.B.9, 3.OA.A.2, 3.NBT.A.2, 3.NBT.A.3, 4.NBT.B.4, 4.NBT.B.5, 4.NBT.B.6, 5.NBT.B.5, 5.NBT.B.6, 5.NBT.B.7, 7.NS.A.2.D
What is the Answer?
11110
How does the Basic Math Operations Calculator work?
Free Basic Math Operations Calculator - Given 2 numbers, this performs the following arithmetic operations:
* 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
Basic Math Operations Calculator Video

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