Year 1

To compare and order three numbers within 20

Year 1

To compare and order three numbers within 20

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Lesson details

Key learning points

  1. In this lesson, we will use the language of tens and ones to compare three numbers and order them on a number line.

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This content is made available by Oak National Academy Limited and its partners and licensed under Oak’s terms & conditions (Collection 1), except where otherwise stated.

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3 Questions

Q1.
I'm thinking of a number. It has one ten and three ones. What is the number?
103
Correct answer: 13
31
7
Q2.
I'm thinking of a number. It has one ten and seven ones. What is the number?
107
Correct answer: 17
3
71
Q3.
I'm thinking of a number. It's value is greater than eleven and less than thirteen. What is the number?
1
10
Correct answer: 12
14

3 Questions

Q1.
Select the greatest number:
12
Correct answer: 15
8
Q2.
Select the smallest number:
10
13
Correct answer: 9
Q3.
We only need to know the value of the ones to put numbers in order.
Correct answer: false
true