Year 2 · Place value to 100 · Summary
Year 2 Place value to 100: summary and key words
Part of the Year 2 place value to 100 chapter. Chapter overview · whole chapter on one page
Chapter summary
| Skill | Method |
|---|---|
| Counting in twos, threes and fives | Add the same step each time. To count back, take the step away. |
| Counting in tens | Only the tens digit changes. The ones digit stays the same. |
| Tens and ones | The tens digit is on the left. 4 tens is worth 40. |
| Numerals and words | Write the tens word, then a hyphen, then the ones word: thirty-six. |
| Comparing numbers | Look at the tens first. Use <, > or = to show which is bigger. |
| Number lines | Bigger numbers are further right. Find the two tens either side of a number. |
Can you…?
- I can count in twos, threes and fives, forwards and back
- I can count in tens from any number
- I can say how many tens and ones a number has
- I can say what a digit is worth
- I can write numbers to 100 in numerals and in words
- I can compare numbers with <, > and =, and put them in order
- I can place a number on a number line
Key terms
- number line
- a line with numbers in order, bigger numbers on the right
- tens digit
- the digit on the left, which tells how many tens
- ones digit
- the digit on the right, which tells how many ones
- place value
- how much a digit is worth, because of where it is
- numeral
- a number written with digits, like 36
- estimate
- a sensible guess at an amount or a place on a line
- step
- the same jump each time when we count