## TOOL: ANIMATED LONG ADDITION CALCULATOR

Enter two positive numbers.

SOLUTION STEPS

The Last Step:

Thousands place:

1 + 7 = 8

Write 8 to the thousands place.

All Steps:

Ones place:

2 + 3 = 5

Write 5 to the ones place.

Tens place:

1 + 9 = 10

Write 0 to the tens place. Carry 1 to the hundreds place.

Hundreds place:

1 + 5 + 7 = 13

Write 3 to the hundreds place. Carry 1 to the thousands place.

Thousands place:

1 + 7 = 8

Write 8 to the thousands place.

Copied to clipboard
Copy Text

## INFORMATION

Write down the numbers in such a way that the same digits are in the same column.

Add numbers from right to left, digit by digit.

For every digit, check if the result is greater than 9 or not. In any case, write the ones digit of the result under the numbers to the same column.

If the result is greater than 9, remove the ones digit and carry the rest to the next digit.

### WHAT IS LONG ADDITION CALCULATOR?

• Calculates the addition of the entered numbers (whole or decimal) and
• Illustrates the solution steps by using animations.

### HOW TO USE LONG ADDITION CALCULATOR?

You can use the long addition calculator in two ways.

• #### USER INPUTS

You can enter two positive numbers to the input boxes and click on the "CALCULATE" button. The result and explanations appaer below the calculator

• #### RANDOM INPUTS

You can click on the DIE ICON next to the input boxes. If you use this property, two random numbers are generated and entered to the calculator, automatically. You can see the result and explanations below the calculator. You can create your own examples and practice using this property.

• #### CLEARING THE INPUT BOX

To find the summation of some other numbers you can clear the input box by clicking on the CLEAR button under the input box.

• You can copy the generated solution by clicking on the "Copy Text" link, appaers under the solution panel.