Step-by-step Maths Level 2 · Adding within 20 · Summary
Step-by-step Maths Level 2 Adding within 20: summary and key words
Part of the Step-by-step Maths Level 2 adding within 20 chapter. Chapter overview · whole chapter on one page
Chapter summary
| Skill | Method |
|---|---|
| Counting on | Start at the bigger number and count on the smaller |
| Making 10 | Make 10 first, then add the rest |
| 2-digit plus 1-digit | Add to the ones, then put the 10 back |
| Adding zero | The number stays the same |
| Number sentences | Parts with +, total after = |
Can you…?
- I can add two numbers by counting on from the bigger number
- I can make 10 first to add numbers that go past 10
- I can add a 1-digit number to a 2-digit number up to 20
- I know that adding zero does not change a number
- I can write and complete number sentences
Key terms
- add
- put numbers together to find the total
- total
- the answer when numbers are added
- number sentence
- numbers and signs that show a fact, such as 8 + 7 = 15
- make 10
- split a number so that one part makes 10 with the first number