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Lessons (110)

Lessons (110)

1st Grade Math

(13 Units, 110 Lessons)

Unit 11 - Subtraction Strategies(7 Lessons)

Subtract with 0, 1, and 2

1st Grade Math

» Unit:

Subtraction Strategies

Big Idea:No solving required! Children need automaticity with subtraction problems within 20. We start to build fluency by learning the identity property and getting automatic with simple subtracting 0, 1, and 2 problems.

16 Resources

2 Favorites

16 Resources

2 Favorites

Think Addition to Solve Subtraction

1st Grade Math

» Unit:

Subtraction Strategies

Big Idea:My first graders previously learned the relationship between addition and subtraction through fact families. Now I want them to use this relationship as a tool to solve for unknown differences.

21 Resources

9 Favorites

21 Resources

9 Favorites

Use Number Line for Subtraction

1st Grade Math

» Unit:

Subtraction Strategies

Big Idea:My students have learned to identify missing numbers on a number line. Now I want them to see a number line as a tool to solve subtraction problems.

18 Resources

5 Favorites

18 Resources

5 Favorites

Using Doubles Facts for Solving Subtraction

1st Grade Math

» Unit:

Subtraction Strategies

Big Idea:I have been teaching my students many strategies to solve subtraction equations. They have learned the inverse relationship between addition and subtraction. Now I want them to see that relationship between doubles facts.

19 Resources

4 Favorites

19 Resources

4 Favorites

Discovering the Unknown

1st Grade Math

» Unit:

Subtraction Strategies

Big Idea:My First Graders have been working hard to learn multiple strategies to solve subtraction. This lesson will have them incorporate all those skills to solve for the unknown.

15 Resources

3 Favorites

15 Resources

3 Favorites

Unknown Addend Problems

1st Grade Math

» Unit:

Subtraction Strategies

Big Idea:I CAN is a big statement. Students have been practicing subtraction and we want them to persevere and solve word problems to create their own subtraction number sentences. They will use known addition facts to solve subtraction problems.

17 Resources

12 Favorites

17 Resources

12 Favorites

Subtraction Fluency and Vocabulary Assessment

1st Grade Math

» Unit:

Subtraction Strategies

Big Idea:First graders need to be able to solve subtraction facts with fluency and use math vocabulary to communicate processes and explain their ideas. This assessment will allow me to see who needs further instruction or is ready for advanced material.

16 Resources

1 Favorites

16 Resources

1 Favorites