Using Bar Models: Addition and Subtraction

Front

What is addition?

Back

Addition is the process of finding the total or sum by combining two or more numbers.

Tags

CCSS.1.OA.A.1

Front

What is subtraction?

Back

Subtraction is the process of finding the difference between two numbers by taking one number away from another.

Tags

CCSS.2.OA.A.1

Front

What does a bar model represent in math?

Back

A bar model is a visual representation that helps to illustrate mathematical concepts, especially addition and subtraction.

Tags

CCSS.5.NBT.B.7

Front

If you have 5 apples and you add 3 more, how many apples do you have?

Back

8 apples.

Tags

CCSS.1.OA.A.1

Front

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

Back

6 candies.

Tags

CCSS.2.OA.A.1

Front

What is the sum of 124 and 32?

Back

156.

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

Front

If a bar model shows 10 blocks on one side and 5 blocks on the other, is it addition or subtraction?

Back

Addition.

Tags

CCSS.2.OA.A.1

Front

If a bar model shows 8 blocks on one side and 3 blocks taken away, is it addition or subtraction?

Back

Subtraction.

Tags

CCSS.2.OA.A.1

Front

What is the total number of flowers if a florist has 124 pink flowers and 32 white flowers?

Back

156 flowers.

Tags

CCSS.2.NBT.B.7

CCSS.3.NBT.A.2

Front

If you have 15 toys and you lose 7, how many toys do you have now?

Back

8 toys.

Tags

CCSS.2.OA.A.1