This courseware focuses on teaching 20 - within backward counting. it has group or partner - based turn - taking backward counting from 20 and listening - based missing - number judgment. Then, using ten - frames and bead strings, it teaches counting from any number to 0, with exercises like simulating going downstairs. Finally, it explains counting to a given number and sets up a spinner - game to reach 0 first for better understanding.

Main Content:
1.Counting Backwards from 20: Number Recitation Practice
2.Section on Counting Backwards from Any Number to 0 with Manipulatives
3.Section on Counting Backwards from Any Number to a Given Number

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