Unit 12: The numbers 0 to 20
Lesson 1: Teen numbers with tens frames
Lesson 2: Counting collections to 20
Lesson 3: Counting with digits & words to 20
Lesson 4: Tally marks to 20
Lesson 5: Number track to 20
Lesson 6: Number line to 20
Lesson 7: Counting back from 20 to 0
Lesson 1: Teen numbers with tens frames
Tens frames in this lesson are the first anchor used to learn the teen numbers (as digits only). The full first frame is ten without counting, and the second frame shows how many more. This is the first opportunity to learn how to say and write the numbers using digits (words to come later) through tens frames representations.
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Lesson 2: Counting collections to 20
A student counts 11 to 20 objects using a deliberate tracking strategy, such as moving each object aside as it is counted, or marking the page. Noting that students may lose track, mis-count and double-count and still land on the correct number by chance.
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Lesson 3: Counting with digits & words to 20
The difficult spelling of these numbers and the mismatch of order to place value with the digits makes this a challenging learning experience.
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Lesson 4: Tally marks to 20
Representing and interpreting values to 20 with tally marks. This includes correct use of the closing diagonal on each fifth mark.
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Lesson 5: Number track to 20
Locating and filling in values on a number track to 20, counting back from 20 and using other reference points. The number track incorporates foundational direction and movement skills.
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Lesson 6: Number line to 20
Providing opportunities for students to see similarities and differences with a number track and s number line. Exposure to conversations about the arrows, gaps and features are the check. No abstract or pictorial learning in this lesson.
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Lesson 7: Counting back from 20 to 0
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