Step-by-step Maths Level 4 · Comparing, ordering and rounding · Summary
Step-by-step Maths Level 4 Comparing, ordering and rounding: summary and key words
Part of the Step-by-step Maths Level 4 comparing, ordering and rounding chapter. Chapter overview · whole chapter on one page
Chapter summary
| Skill | Method |
|---|---|
| Comparing | Compare the thousands first, then the hundreds, tens and ones; the arrow points to the smaller |
| Ordering | Order by the thousands, then the hundreds, tens and ones |
| Number lines | Find the labels on either side of the number; halfway = total ÷ 2 |
| Rounding to 10 | Look at the ones digit: 5 or more rounds up |
| Rounding to 100 and 1000 | Look at the last two or three digits: 50 or 500 or more rounds up |
Can you…?
- I can compare two numbers to 10000 and use <, > or =
- I can order up to five four-digit numbers
- I can place a number between two thousands on a 0 to 10000 number line
- I can find the number halfway between two numbers
- I can round to the nearest 10, 100 and 1000
Key terms
- greater than
- more; the sign is >
- less than
- fewer; the sign is <
- round
- change a number to the nearest multiple of 10, 100 or 1000
- multiple
- a number in the times table of another, such as 4840 is a multiple of 10