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2ND GRADE MATH Standards Videos
The first unit in every grade, the Math Is…Unit, aims to help students and teachers see math as problem-solving strategies rather than just computation. There are no replay videos for this unit.
Unit 3 (spanish): Patterns within Numbers
Unit 4: Meanings of Addition and Subtraction
Lesson 4-1: Represent and Solve Add to Problems
Lesson 4-2: Represent and Solve Take From Problems
Lesson 4-3: Solve Two-Step Add To and Take From Problems
Lesson 4-4: Represent and Solve Put Together Problems
Lesson 4-5: Represent and Solve Take Apart Problems
Lesson 4-6: Solve Two-Step Put Together and Take Apart Problems
Lesson 4-7: Represent and Solve More Compare Problems
Lesson 4-8: Represent and Solve More Compare Problems
Lesson 4-9: Solve Two-Step Problems with Comparison
Lesson 4-10: Solve Two-Step Problems Using Addition and Subtraction
Unit 4 (Spanish): Meanings of Addition and Subtraction
Lesson 4-1: Represent and Solve Add to Problems
Lesson 4-2: Represent and Solve Take From Problems
Lesson 4-3: Solve Two-Step Add To and Take From Problems
Lesson 4-4: Represent and Solve Put Together Problems
Lesson 4-5: Represent and Solve Take Apart Problems
Lesson 4-6: Solve Two-Step Put Together and Take Apart Problems
Lesson 4-7: Represent and Solve More Compare Problems
Lesson 4-8: Represent and Solve More Compare Problems
Lesson 4-9: Solve Two-Step Problems with Comparison
Lesson 4-10: Solve Two-Step Problems Using Addition and Subtraction
Unit 5: Strategies to Fluently Add within 100
Lesson 5-1: Strategies to Add Fluently within 20
Lesson 5-2: More Strategies to Add Fluently within 20
Lesson 5-3: Represent Addition with 2-Digit Numbers
Lesson 5-4: Use Properties to Add
Lesson 5-5: Decompose Two Addends to Add
Lesson 5-6: Use a Number Line to Add
Lesson 5-7: Decompose One Addend to Add
Lesson 5-8: Adjust Addends to Add
Lesson 5-9: Add More Than Two Numbers
Lesson 5-10: Solve One- and Two-Step Problems Using Addition
Unit 5 (Spanish): Strategies to Fluently Add within 100
Lesson 5-1: Strategies to Add Fluently within 20
Lesson 5-2: More Strategies to Add Fluently within 20
Lesson 5-3: Represent Addition with 2-Digit Numbers
Lesson 5-4: Use Properties to Add
Lesson 5-5: Decompose Two Addends to Add
Lesson 5-6: Use a Number Line to Add
Lesson 5-7: Decompose One Addend to Add
Lesson 5-8: Adjust Addends to Add
Lesson 5-9: Add More Than Two Numbers
Lesson 5-10: Solve One- and Two-Step Problems Using Addition
Unit 6: Strategies to Fluently Subtract within 100
Lesson 6-1: Strategies to Subtract Fluently within 20
Lesson 6-2: More Strategies to Subtract Fluently within 20
Lesson 6-3: Represent Subtraction with 2-Digit Numbers
Lesson 6-4: Represent 2-Digit Subtraction with Regrouping
Lesson 6-5: Use a Number Line to Subtract
Lesson 6-6: Decompose Numbers to Subtract
Lesson 6-7: Adjust Numbers to Subtract
Lesson 6-8: Relate Addition to Subtraction
Unit 6 (Spanish): Strategies to Fluently Subtract within 100
Lesson 6-1: Strategies to Subtract Fluently within 20
Lesson 6-2: More Strategies to Subtract Fluently within 20
Lesson 6-3: Represent Subtraction with 2-Digit Numbers
Lesson 6-4: Represent 2-Digit Subtraction with Regrouping
Lesson 6-5: Use a Number Line to Subtract
Lesson 6-6: Decompose Numbers to Subtract
Lesson 6-7: Adjust Numbers to Subtract
Lesson 6-8: Relate Addition to Subtraction
Unit 7: Measure & Compare Lengths
Lesson 7-1: Measure Length with Inches
Lesson 7-2: Measure Length with Fee and Yards
Lesson 7-3: Compare Lengths Using Customary Units
Lesson 7-4: Relate Inches, Feet, and Yards
Lesson 7-5: Estimate Length Using Customary Units
Lesson 7-6: Measure Length with Centimeters and Meters
Lesson 7-7: Compare Lengths Using Metric Units
Lesson 7-8: Relate Centimeters and Meters
Lesson 7-9: Estimate Length Using Metric Units
Unit 7 (spanish): Measure & Compare Lengths
Lesson 7-1: Measure Length with Inches
Lesson 7-2: Measure Length with Fee and Yards
Lesson 7-3: Compare Lengths Using Customary Units
Lesson 7-4: Relate Inches, Feet, and Yards
Lesson 7-5: Estimate Length Using Customary Units
Lesson 7-6: Measure Length with Centimeters and Meters
Lesson 7-7: Compare Lengths Using Metric Units
Lesson 7-8: Relate Centimeters and Meters
Lesson 7-9: Estimate Length Using Metric Units
Unit 9: Strategies to Add 3-Digit Numbers
Lesson 9-1: Use Mental Math to Add 10 or 100
Lesson 9-2: Represent Addition with 3-Digit Numbers
Lesson 9-3: Represent Addition with 3-Digit Numbers with Regrouping
Lesson 9-4: Decompose Addends to Add 3-Digit Numbers
Lesson 9-5: Decompose One Addend to Add 3-Digits Numbers
Unit 9 (Spanish): Strategies to Add 3-Digit Numbers
Lesson 9-1: Use Mental Math to Add 10 or 100
Lesson 9-2: Represent Addition with 3-Digit Numbers
Lesson 9-3: Represent Addition with 3-Digit Numbers with Regrouping
Lesson 9-4: Decompose Addends to Add 3-Digit Numbers
Lesson 9-5: Decompose One Addend to Add 3-Digits Numbers
Unit 10: Strategies to Subtract 3-Digit Numbers
Lesson 10-1: Use Mental Math to Subtract 10 or 100
Lesson 10-2: Represent Subtraction with 3-Digits Numbers
Lesson 10-3: Decompose One 3-Digit Number to Count Back
Lesson 10-4: Count On to Subtract 3-Digit Numbers
Lesson 10-6: Regroup Tens and Hundreds
Lesson 10-7: Adjust Numbers to Subtract 3-Digit Numbers
Lesson 10-8: Explain Subtraction Strategies
Lesson 10-9: Solve Problems Involving Addition and Subtraction
Unit 10 (Spanish): Strategies to Subtract 3-Digit Numbers
Lesson 10-1: Use Mental Math to Subtract 10 or 100
Lesson 10-2: Represent Subtraction with 3-Digits Numbers
Lesson 10-3: Decompose One 3-Digit Number to Count Back
Lesson 10-4: Count On to Subtract 3-Digit Numbers
Lesson 10-6: Regroup Tens and Hundreds
Lesson 10-7: Adjust Numbers to Subtract 3-Digit Numbers
Lesson 10-8: Explain Subtraction Strategies
Lesson 10-9: Solve Problems Involving Addition and Subtraction
Unit 11 (Spanish): Data Analysis
Lesson 11-1: Display Data in Pictographs (Video Not Available)
Lesson 11-2: Understand Bar Graphs
Lesson 11-3: Solve Problems Using Bar Graphs
Lesson 11-4: Collect Measurement Data
Unit 12 (Spanish): Geometric Shapes and Equal Shares
2ND GRADE MATH STANDARDS
math 2.pdf