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Teach Connecting Math Concepts B (1-2) Counting Mixed Counting

Lesson 3, Topic 12

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Mixed Counting

ddewell@goodtogreatschools.org.au August 7, 2023

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Mixed Counting

The Mixed Counting track begins with counting backward with two-digit numbers begins in lesson sixteen.

The process is:

Students count backward from seven to one.

The teacher models counting backward from thirty-seven to thirty-one.
Students count backward from thirty-seven.
The teacher stresses the one’s digit when modelling the counting: thirty-seven, thirty-six.
In later lessons, students count series that go from one decade to the one that precedes it.

For example, counting backward from forty-two to thirty-eight.

Image reproduced courtesy of McGraw Hill Pty Ltd from CMC B, Teacher’s Guide, page 35.