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Year 2 Numbers - Ordering to 100
Imagine the more than and less than symbols as the open mouth of a hungry crocodile who only eats the larger number!

Year 2 Numbers - Ordering to 100

Learn to order numbers to 100. Use number sense, tidy tens, and careful checks to decide which number comes first, next, or last on a number line.

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(quiz starts below)

Fascinating Fact:

Tidy tens help. Round 47 to about 50. Round 39 to about 40. So 39 comes before 47. Then check exactly.

In KS1 Maths, pupils compare and order numbers to 100 by using place value. Tens show the bigger part, ones fine tune the order. Number lines make positions clear.

  • Place value: What a digit is worth depending on where it sits, like tens or ones.
  • Number line: A line that shows numbers in order from smaller to bigger.
  • Round: Change a number to a nearby tidy ten to estimate and compare quickly.

Practise ordering with the Numeracy Game to build number line skills and quick comparisons.

How do I order numbers to 100 quickly?

Compare tens first. The number with fewer tens is smaller. If tens match, compare the ones. Use a number line to double check positions.

What is the best way to use rounding for ordering?

Round each number to the nearest ten to get a quick estimate. Then use the exact ones digits to confirm the final order.

How does a number line help with greater than and less than?

Numbers to the right are greater and numbers to the left are smaller. Place both numbers on the line to see which comes first.

Question 1
What does this symbol mean:
>
The same as
Less than
More than
Subtraction
For example, 7 > 2
Question 2
Put these numbers in order, from smallest to largest:
24, 16, 9, 78, 54
78, 54, 24, 16, 9
9, 16, 24, 54, 78
24, 54, 16, 9, 78
54, 78, 24, 16, 9
9 is the smallest number, 78 is the largest
Question 3
Which symbol could be placed into this number sentence?
6 __ 9
>
<
=
+
Think of the symbol as the open mouth of a hungry crocodile who only eats the larger number
Question 4
What does this number sentence say?
27 < 82
27 is equal to 82
27 is more than 82
27 is less than 82
27 add 82
27 has a lower value than 82
Question 5
Which symbol could be placed into this number sentence?
6 + 2 __ 4 + 4
+
=
<
>
The two additions give the same or equal value
Question 6
What does this symbol mean:
=
Equal to or the same as
More than
Less than
Addition
For example, 2 + 3 = 4 + 1 as they give the same value
Question 7
Put these numbers in order from largest to smallest:
66, 16, 96, 61, 6
66, 61, 96, 6, 16
6, 16, 61, 66, 96
96, 66, 61, 16, 6
61, 6, 16, 96, 66
96 is the largest number, 6 is the smallest
Question 8
Which symbol could be placed into this number sentence?
12 __ 8
=
-
<
>
The crocodile prefers the larger number
Question 9
What does this symbol mean:
<
Equal to
The same as
More than
Less than
For example, 6 < 8
Question 10
What does this number sentence say?
2 x 5 = 9 + 1
2 x 5 is less than 9 + 1
2 x 5 is greater than 9 + 1
2 x 5 is equal to 9 + 1
2 x 5 subtract 9 + 1
2 x 5 and 9 + 1 both give an answer of 10
You can find more about this topic by visiting BBC Bitesize - Comparing numbers to 100

Author:  Angela Smith (Primary School Teacher & KS1 Quiz Writer)

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