 # 2.04 Subtraction without regrouping

Lesson

Do you feel that you have mastered addition problems, using some different methods?

Find the value of $270+520$270+520.

## Learn

Just like addition, we can use place value blocks (also called base $10$10 models) to solve addition. See how we do this in this video.

## Learn

We can also use place value columns to solve subtraction problems working down our page. In this video we look at subtracting a number in the thousands from another number in the thousands.

### Apply

##### Question 2

Use the number line to find the answer to $667-637$667637.

1. First place $667$667 on the number line.

2. Place $637$637 on the number line.

3. Use the number line to work out the difference between $667$667 and $637$637.

Remember!

When we are subtracting down the page, it's really important to start from the right (units place) and work to the left, no matter how many digits our numbers have. ### Outcomes

#### VCMNA153

Apply place value to partition, rearrange and regroup numbers to at least tens of thousands to assist calculations and solve problems