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Order numbers to 1000, read number lines, use zero placeholders and regroup hundreds, tens and ones.
Free examples and worked answers. No account needed.
Practise the method.
Order numbers to 1000, read number lines, use zero placeholders and regroup hundreds, tens and ones.
Order numbers to 1000, read number lines, use zero placeholders and regroup hundreds, tens and ones.
Example 1
97=8 tens + ? ones. How many ones?
Show worked answer
Answer: 17
- Exchange one ten for 10 ones.
- 9 tens and 7 ones becomes 8 tens and 17 ones.
Example 2
What number belongs at ? on this equally spaced number line?
Number lineShow worked answer
Answer: 500
- Each step increases by 100.
- Starting at 300, move 2 steps: 300+200=500.
Example 3
In 707, which place has zero groups?
Show worked answer
Answer: Tens
- 707 has 7 hundreds, 0 tens and 7 ones.
- The zero holds the tens place, keeping the other digits in their correct places.
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