Bar Models for Addition and Subtraction

Front

What do you do if you know the parts and need to find the whole?

Back

You add.

Front

What is the missing part if the whole is 9 and one part is 3?

Back

6

Front

Which equation does NOT match the bar model: 3 + 5 = 8, 8 - 5 = 3, or 8 + 0 = 8?

Back

8 + 0 = 8.

Front

What operation would you use to solve if the bar model shows a part being taken away?

Back

Subtraction.

Front

Which equation matches the number bond: 13 + 7 = 6 or 13 - 7 = 6?

Back

13 - 7 = 6.

Front

What is a bar model?

Back

A visual way to represent addition and subtraction problems.

Front

If you have 5 apples and you get 3 more, how many do you have in total?

Back

8 apples.

Front

If you have 10 candies and you give away 4, how many do you have left?

Back

6 candies.

Front

What does the '+' sign mean?

Back

It means to add.

Front

What does the '-' sign mean?

Back

It means to subtract.