Unit 2: Adding and Subtracting within 100
Unit Overview Video
(Coming Soon)
Unit Extra Practice
(Coming Soon)
Lesson
Standards
Learning Targets
Additional Resources
Lesson 1:Â The Candy Jar
I can demonstrate fluency within addition by making connections between partners of 10 and partners of 100.
NoneÂ
Lesson 2: Pokémon, Go!
I can solve word problems within 100 using my knowledge of place value.
NoneÂ
Lesson 3: Mental Math Strategies
I can use place value strategies to add and subtract efficiently.
None
Lesson 4: Frankie’s Number Strings
I can make connections between skip counting and addition, decomposing numbers, adding flexibly and efficiently.
None
Lesson 5: Parking Lot-Break Apart Make Ten
NC.2.NBT.5
I can think flexibly, decomposing numbers to solve addition problems more efficiently.
Lesson 6: Making Tens…Making Problems Easier
I can begin to demonstrate fluency with addition within 100 by using strategies to demonstrate my understanding of the partners within 100.
Video Links:
Virtual Manipulatives:
Lesson 7:Â Using Addition to Solve Subtraction
NC.2.NBT.5
I can solve subtraction problems using the relationship between addition and subtraction.
None
Lesson 8: Subtraction Strategies-Decomposing Strategies
I can compose and decompose quantities to solve subtraction problems more efficiently.
None
Lesson 9: Subtraction Strategies-All Together Now
I can use strategies based on place value and properties of operations to solve problems.
None
Lesson 10: Structures of Equations- Numberless Story Situations
I can analyze, represent, and solve word problems.
Technology Resources:
Lesson 11: Structures of Equations- Situations and Solutions
I can analyze, represent, and solve word problems.
Technology Resources:
Lesson 12: The Pringle Ringle
I can analyze, represent, and solve word problems.
Technology Resources:
Lesson 13: Subtraction StrategiesÂ
I can analyze, represent, and solve word problems.
Technology Resources:
Lesson 14: Big Sister, Little Sister
I can represent, analyze, and solve word problems using my knowledge of place value.
Technology Resources:
Lesson 15: Solving Problems with a Number Line
I can solve sums and differences through the use of a number line.
Video Links:
Virtual Manipulatives:
Lesson 16: Friendship BraceletsÂ
I can solve sums and differences through the use of a number line.
Video Links:
Virtual Manipulatives:
Lesson 17: Solving Story Problems on an Open Number Line
I can solve sums and differences through the use of a number line.
Video Links:
Virtual Manipulatives:
Lesson 18: Mental Math Strategies
I can solve addition (and subtraction) problems, building fluency where I will mentally add and subtract 10 from a given number through 100.
Virtual Manipulatives:
Lesson 19: Target Zero
I can solve subtraction (and addition) problems, building fluency where I will mentally add and subtract 10 from a given number through 100.
Virtual Manipulatives:
Lesson 20: Add To/Take From Story Situations
I can analyze, represent, and solve addition and subtraction word problems demonstrating fluency.
Technology Resources:
Lesson 21: Comparison Problems
I can analyze, represent, and solve addition and subtraction word problems demonstrating efficiency and fluency.
Technology Resources:
Lesson 22: Push Up Challenge
I can use strategies to solve problems involving three addends.
None
Lesson 23: The Candy Bowl
NC.2.NBT.6
I can use strategies to add up to three two-digit numbers.
None
Lesson 24: Stringing Along Numbers!
NC.2.NBT.6
I can use strategies to add up to three two-digit numbers.
Virtual Manipulatives: