Ordering sets of 3-digit numbers | Maths | Quizalize & Oak National Academy

Starter quiz

Which number is larger: 289 or 298?

289

298 ✓
Order these numbers, starting with the smallest.

1

⇔

57

2

⇔

75

3

⇔

155

4

⇔

157
Which of the numbers below could be used to make this inequality correct?

196

216

231 ✓

301 ✓
Which of the numbers below could be used to make this inequality correct?

197 ✓

287 ✓

303 ✓

310
Use the number cards to make a number greater than 951

'960' ✓
Which number is greater than 491 and less than 507?

489

498 ✓

508

510

Match the symbol to their meaning.

<

⇔

less than ✓

>

⇔

greater than ✓

=

⇔

equals ✓
Order these numbers, starting with the smallest.

1

⇔

176

2

⇔

617

3

⇔

671

4

⇔

716
Which number could be used to make this correct?

288

299 ✓

311

320
Which number is greater than 567 and less than 580?

517

565

569 ✓

670
Rearrange the number cards to make this correct.

'674' ✓
One of the numbers in the inequality below has a missing digit. Which digit could you use to make the statement correct?

1

2 ✓

3 ✓

4 ✓

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If the 100s digits are different, the numbers can be compared or ordered by looking at the 100s digit.
If the 100s digits are the same, the numbers can be compared or ordered by looking at the 10s digit.
If the 100s and 10s digits are the same, the numbers can be compared or ordered by looking at the 1s digit.

Pupils may look at all the digits at once when ordering numbers and this may lead to mistakes.

When ordering 3-digit numbers, encourage pupils to compare the 100s digits first and then the 10s digits (and the 1s) afterwards.

Compare - You compare to find out what is the same and what is different. You compare numbers to find out if one is more than or less than another.
Order - You can order numbers from the smallest to the largest or from the largest to the smallest.