Number Line Addition and Subtraction

Front

What is a number line?

Back

A number line is a straight line that shows numbers in order. It helps us see how numbers are related to each other.

Tags

CCSS.2.MD.B.6

Front

How do you add numbers using a number line?

Back

To add numbers on a number line, start at the first number and move to the right by the amount you are adding.

Tags

CCSS.1.NBT.C.4

CCSS.2.MD.B.6

Front

How do you subtract numbers using a number line?

Back

To subtract numbers on a number line, start at the first number and move to the left by the amount you are subtracting.

Tags

CCSS.7.NS.A.1C

Front

What does it mean to 'move to the right' on a number line?

Back

Moving to the right on a number line means you are adding a positive number.

Tags

CCSS.2.MD.B.6

Front

What does it mean to 'move to the left' on a number line?

Back

Moving to the left on a number line means you are subtracting a positive number.

Tags

CCSS.7.NS.A.1C

Front

If you start at 3 and add 2, where do you land on the number line?

Back

You land on 5.

Tags

CCSS.1.NBT.C.4

CCSS.2.MD.B.6

Front

If you start at 7 and subtract 4, where do you land on the number line?

Back

You land on 3.

Tags

CCSS.1.NBT.C.4

CCSS.2.MD.B.6

Front

What is the result of adding 0 to a number on the number line?

Back

The result is the same number; adding 0 does not change the value.

Tags

CCSS.1.OA.B.3

Front

What is the result of subtracting 0 from a number on the number line?

Back

The result is the same number; subtracting 0 does not change the value.

Tags

CCSS.1.OA.B.3

Front

What is the first number on a number line?

Back

The first number is usually 0.

Tags

CCSS.2.MD.B.6