Number (add/sub)

Lesson

Addition (+) and subtraction (-) are opposite operations in maths. Because of this, we can write a group of related facts about a group of numbers which we call a fact family.

So let's get rolling!

- 2 dice
- This fact family record sheet.

- Roll both dice. Write the numbers you roll on the fact family record sheet.
- Using the numbers you rolled, write $2$2 addition number sentences.
- Now you will have $3$3 numbers. Use these $3$3 numbers to write $2$2 subtraction number sentences.

I rolled two dice and got a $5$5 and a $3$3, so I filled in the first fact family on the sheet for you.