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My Curriculum

Kristen O'Connor

2nd Grade Math

Varnum Brook

Pepperell, MA

Rural Environment

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View all Master Teachers2nd Grade Math

(4 Units, 27 Lessons)

Unit 3 - The Action of Subtraction(6 Lessons)

Think About Subtracting Nothing

2nd Grade Math

» Unit:

The Action of Subtraction

Big Idea:The big idea of this lesson is thinking about subtraction facts with 0, 1, and 2 as amounts less than a number.

11 Resources

19 Favorites

11 Resources

19 Favorites

Subtracting Doubles

2nd Grade Math

» Unit:

The Action of Subtraction

Big Idea:The big idea of this lesson is that addition and subtraction facts are related, and every subtraction fact has a related addition fact. Students can think of this inverse relationship when recalling basic subtraction facts.

16 Resources

14 Favorites

16 Resources

14 Favorites

Think About Related Addition Facts to 10

2nd Grade Math

» Unit:

The Action of Subtraction

Big Idea:Students can use their knowledge of using addition to make ten to help them find the related subtraction fact.

14 Resources

8 Favorites

14 Resources

8 Favorites

Thinking Addition Facts to 18 to Subtract

2nd Grade Math

» Unit:

The Action of Subtraction

Big Idea:Students apply their understanding of addition to solve related subtraction problems.

13 Resources

24 Favorites

13 Resources

24 Favorites

Make a Ten, Subtraction Style

2nd Grade Math

» Unit:

The Action of Subtraction

Big Idea:The big idea of this lesson is that some subtraction facts can be solved by subtracting from the larger number an amount to get ten and then subtracting the remaining amount.

16 Resources

10 Favorites

16 Resources

10 Favorites

Step One, Step Two

2nd Grade Math

» Unit:

The Action of Subtraction

Big Idea:The big idea of this lesson is that sometimes it may be necessary to answer one problem to help answer another problem.

15 Resources

24 Favorites

15 Resources

24 Favorites