Add three or more one-digit numbers – word problems

Learn with an example

Chad had to practice for a maths test. He did 6 maths problems on Monday, 2 maths problems on Tuesday, and 8 more problems on Wednesday.

How many problems did Chad do in all?

Add the numbers of problems.

6 + 2 + 8

Hint: Start by adding two of the numbers to make a 10.

First, add 2 and 8 to make a 10:

6 + 2 + 8 = ?

6 + 10 = ?

Now add 6 and 10:

6 + 10 = 16

The sum is 16.

Chad did 16 problems in all.

In Steve’s bag of marbles there are 7 green marbles, 2 blue marbles, and 5 red marbles.

How many marbles are in Steve’s bag?

Add the number of marbles.

7 + 2 + 5

First, add 7 and 2:

7 + 2 + 5 = ?

9 + 5 = ?

Now add 9 and 5:

9 + 5 = 14

The sum is 14.

There are 14 marbles in Steve’s bag.

A professional society has 1 member in California, 9 members in Oregon, and 4 members in Washington.

How many members does the society have in all?

Add the numbers of members.

1 + 9 + 4

Hint: Start by adding two of the numbers to make a 10.

First, add 1 and 9 to make a 10 :

1 + 9 + 4 = ?

10 + 4 = ?

Now add 10 and 4 :

10 + 4 = 14

The sum is 14.

The society has 14 members in all.

Let’s practice!🖊️