Partial sums addition

Front

What is Partial Sums Addition?

Back

Partial Sums Addition is a method of adding numbers by breaking them into parts, adding the parts separately, and then combining the results.

Front

What is the first step in Partial Sums Addition?

Back

The first step is to break each number into its place values (hundreds, tens, and ones).

Front

How do you add the tens place in Partial Sums Addition?

Back

You add the tens from each number together.

Front

How do you add the ones place in Partial Sums Addition?

Back

You add the ones from each number together.

Front

What do you do after adding the place values in Partial Sums Addition?

Back

You combine the sums of the place values to get the final answer.

Front

What is 74 + 24 using Partial Sums Addition?

Back

First, add 70 + 20 = 90, then add 4 + 4 = 8. Finally, combine 90 + 8 = 98.

Front

What is 12 + 13 using Partial Sums Addition?

Back

First, add 10 + 10 = 20, then add 2 + 3 = 5. Finally, combine 20 + 5 = 25.

Front

What is 16 + 81 using Partial Sums Addition?

Back

First, add 10 + 80 = 90, then add 6 + 1 = 7. Finally, combine 90 + 7 = 97.

Front

What is 23 + 13 using Partial Sums Addition?

Back

First, add 20 + 10 = 30, then add 3 + 3 = 6. Finally, combine 30 + 6 = 36.

Front

What is 45 + 15 using Partial Sums Addition?

Back

First, add 40 + 10 = 50, then add 5 + 5 = 10. Finally, combine 50 + 10 = 60.