By Topic
Addition & Subtraction
Building addition and subtraction fluency — from joining and separating numbers up to 10 in Kindergarten to multi-digit addition and subtraction with regrouping in Grade 4.
5 grades covered
8 chapters
45 lessons
Grades K–4
Kindergarten — Addition & Subtraction
Addition and Subtraction up to 10Go to chapter →
1
Visualize Addition upto 10
2
Visualize Subtraction upto 10
Grade 1 — Addition & Subtraction
Together and Apart - 1Go to chapter →
1
Add Numbers up to 20
2
Subtract Numbers up to 20
3
Subtract Numbers using Comparison
Together and Apart - IIGo to chapter →
1
Add 0 to and Subtract 0 from a Number
2
Form addition fact families up to 10
3
Form Subtraction fact families up to 10
4
Solve Story Problems on Addition
5
Solve Story Problems on Subtraction
Addition and Subtraction are RelatedGo to chapter →
1
Relation Between Addition, Subtraction, and Fact Families
2
Find Missing Numbers in Addition and Subtraction Sentences
3
Use addition to subtract and vice-versa
Together and Apart - 3Go to chapter →
1
Add 2-digit Numbers without Regrouping
2
Add 2-digit Numbers with Regrouping
3
Subtract 2-Digit Numbers without Regrouping
4
Subtract 2-digit numbers with Regrouping
5
Solve Word Problems on Addition of Numbers up to 100
6
Solve Word Problems on Subtraction of Numbers up to 100
Grade 2 — Addition & Subtraction
Together and ApartGo to chapter →
1
Add 3-digit Numbers without Regrouping
2
Add 3-digit Numbers with Regrouping
3
Subtract 3-digit Numbers without Regrouping
4
Subtract 3-digit Numbers with Regrouping
5
Solve Word Problems on Addition of 3-digit Numbers
6
Solve Word Problems on Subtraction of 3-digit Numbers
Grade 3 — Addition & Subtraction
Addition and Subtraction of NumbersGo to chapter →
1
Add Numbers up to 4-Digits Without Regrouping
2
Add Numbers up to 4-Digits With Regrouping
3
Subtract Numbers up to 4-Digits Without Regrouping
4
Subtract Numbers up to 4-Digits With Regrouping
5
Relate Addition and Subtraction
6
Understand Properties of Addition and Subtraction
7
Use Mental Strategies to Add Numbers up to 4-digits
8
Use Mental Strategies to Subtract Numbers up to 4-digits
9
Estimate the Sum and Difference of Numbers up to 4-digits
10
Solve 1-step Word Problems on Addition
11
Solve 1-step Word Problems on Subtraction
12
Solve 2-step Word Problems Addition and Subtraction
Grade 4 — Addition & Subtraction
Addition and SubtractionGo to chapter →
1
Add Multi-Digit Numbers Using Standard Algorithm
2
Subtract-Multi-Digit-Numbers-Using-Standard-Algorithm
3
Add and Subtract Multi-Digit Numbers with Strategies
4
Find the Missing Number in an Addition and Subtraction Sentence
5
Estimate Sum and Difference of Multi-Digit Numbers by Rounding
6
Solve One Step Word Problems on Addition
7
Solve One Step Word Problems on Subtraction
8
Solve Multi-Step Word Problems on Addition and Subtraction of multi-digit numbers