Partial Sums

Front

What is a partial sum?

Back

A partial sum is the sum of a part of a series of numbers, often calculated step by step.

Front

How do you add two numbers using partial sums?

Back

You can add two numbers by breaking them into tens and ones, adding the tens together, and then adding the ones together.

Front

What is the first step in finding a partial sum?

Back

The first step is to separate the numbers into their tens and ones.

Front

If you have 90 and 8, what is the partial sum?

Back

90 + 8 = 98.

Front

What addition sentence matches the picture of 652 and 235?

Back

652 + 235.

Front

What is the sum of 652 and 235?

Back

The sum is 887.

Front

What addition problem is shown in the picture: 204 and 367?

Back

204 + 367.

Front

What is the sum of 204 and 367?

Back

The sum is 571.

Front

If you add 90 and 1, what is the result?

Back

90 + 1 = 91.

Front

Which addition problem is shown in the picture: 530 and 145?

Back

530 + 145.