Year 1

# Numbers to 20

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Slide decks, worksheets, quizzes and lesson planning guidance designed for your classroom.

## Lessons (10)

• In this lesson, we will link the words in the counting sequence to pictorial and then abstract representations.
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1 Worksheet
1 Quiz
1 Video
• In this lesson, we will see how a tens frame is used to count a group of ten and then count how many more there are to make a teen number.
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1 Worksheet
2 Quizzes
1 Video
• In this lesson, we will position numbers on a number line in order and justify your decision.
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1 Video
• In this lesson, we will see one more and one less represented in different ways and make links between them.
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• In this lesson, we will compare numbers to 20 using a tens frame and then use the language of comparison.
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• 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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1 Video
• In this lesson, we will identify number patterns on a number line and use the vocabulary 'increasing' and 'decreasing'.
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1 Video
• In this lesson, we will double numbers by adding the same number to itself and halve even numbers by sharing equally between two groups.
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• In this lesson, we will investigate 'fair' numbers, understanding these as even numbers and investigate 'unfair' numbers, understanding these as odd numbers.
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• In this lesson, we will practise using and applying the important mathematical vocabulary and thinking that you have used throughout this unit.
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