Year 1

To identify one more and one less than a number within 20

Year 1

To identify one more and one less than a number within 20

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Lesson details

Key learning points

  1. In this lesson, we will see one more and one less represented in different ways and make links between them.

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3 Questions

Q1.
Which number comes after 13?
12
Correct answer: 14
Q2.
Which number is between 17 and 19?
16
Correct answer: 18
Q3.
Which number comes first on a number line: 13 or 15?
Correct answer: 13
15

3 Questions

Q1.
One more than eleven is:
Eleven
Ten
Correct answer: Twelve
Q2.
How many tens are there in eleven?
None
Correct answer: One
Two
Q3.
How many more ones does fifteen have than fourteen?
None
Correct answer: One
Two