1 more, 1 less

• Mathematics
• Primary Education

If we have, one less than a number, will the number get bigger or smaller?

If we have one more than a number, will the number get bigger or smaller?

Do you know what any of these things are called?

Talk to your talk partner

What number do I put my finger on to start?

What is the missing number in the number sentence?
8 - ? = 7

1. 3
2. 1
3. 0
4. 7

There are 9 frogs in the pond, 2 more frogs go into the pond. Which number sentence shows this problem?

1. 9 - 2 = 7
2. 7 + 2 = 9
3. 9 + 2 = 11
4. 9 - 2 =11

How did that go?

😒🙁😐🙂😃