Lesson 5 of 500 · Extra Passages

Subtraction to 20 Part 2

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Learning about Subtraction to 20 is exciting. There are many facts about Subtraction to 20 that students should know. Understanding Subtraction to 20 helps build strong skills. Keep practicing to get better at Subtraction to 20.

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Question 1

1 of 2

According to the passage, what does studying Subtraction to 20 help develop?