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# Unit Overview: Numbers to 20

## Lessons:

10 lessons

### To count from 1 to 19 and match pictorial and abstract representations of these numbers

In this lesson, we will link the words in the counting sequence to pictorial and then abstract representations.

• 1 Quiz
• 9m Video
• Presentation(PPT)
• Worksheet
• Transcript

### To identify numbers to 20 by counting ten and then counting on

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.

• 2 Quizzes
• 9m Video
• Presentation(PPT)
• Worksheet
• Transcript

### To position numbers to 20 on a number line

In this lesson, we will position numbers on a number line in order and justify your decision.

• 2 Quizzes
• 10m Video
• Presentation(PPT)
• Worksheet
• Transcript

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

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

• 2 Quizzes
• 11m Video
• Presentation(PPT)
• Worksheet
• Transcript

### To compare numbers to 20

In this lesson, we will compare numbers to 20 using a tens frame and then use the language of comparison.

• 2 Quizzes
• 10m Video
• Presentation(PPT)
• Worksheet
• Transcript

### To compare and order three numbers within 20

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

• 2 Quizzes
• 12m Video
• Presentation(PPT)
• Worksheet
• Transcript

### To identify, complete and continue number patterns, adding and subtracting 1 or 2

In this lesson, we will identify number patterns on a number line and use the vocabulary 'increasing' and 'decreasing'.

• 2 Quizzes
• 10m Video
• Presentation(PPT)
• Worksheet
• Transcript

### To find double and half within 20

In this lesson, we will double numbers by adding the same number to itself and halve even numbers by sharing equally between two groups.

• 2 Quizzes
• 10m Video
• Presentation(PPT)
• Worksheet
• Transcript

### To understand even and odd as 'fair' and 'unfair' numbers

In this lesson, we will investigate 'fair' numbers, understanding these as even numbers and investigate 'unfair' numbers, understanding these as odd numbers.

• 2 Quizzes
• 10m Video
• Presentation(PPT)
• Worksheet
• Transcript

### To consolidate learning

In this lesson, we will practise using and applying the important mathematical vocabulary and thinking that you have used throughout this unit.

• 1 Quiz
• 11m Video
• Presentation(PPT)
• Worksheet
• Transcript