# Add parts to find the value of the whole and write the equation

I can understand the relationship between equations, part-part-whole models and problems they represent.

# Add parts to find the value of the whole and write the equation

I can understand the relationship between equations, part-part-whole models and problems they represent.

## Lesson details

### Key learning points

- In an equation, each addend represents a part.
- You can combine the addends to find the sum.
- To find how many objects there are altogether, you must count both addends.

### Common misconception

Children may have difficulty when the sum is presented on the left of the equal sign.

Ensure that equations are arranged with the sum both on the left and the right of equal sign. Use term 'is equal to' to stress equality.

### Keywords

Addend - Any of the numbers that are added together.

Sum - The result of adding two or more numbers.

Altogether - In total, the whole amount.

### Licence

This content is © Oak National Academy Limited (2024), licensed on Open Government Licence version 3.0 except where otherwise stated. See Oak's terms & conditions (Collection 2).

## Video

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