Addition
Basic Addition
Addition Facts
- Addition Facts for 0, 1, and 2
- Addition Facts for 3 and 4
- Addition Facts for 5 and 6
- Addition Facts for 7, 8, and 9
- All Addition Facts to 9 + 9
Addition
- addUpTo10
- Sum of 10 + (1-9)
- What number needed to total twenty
- Adding Tens
- Add 2-Digit Numbers Without Regrouping
- Addition Three 1-Digit Numbers
- Adding Hundreds
- Add With Mental Math
- Add With Pencil and Paper
- Add With a Calculator
- Addition Using Estimation
- Front-End Estimation of Sums
- Adding Three 2-Digit Numbers
- Adding 3-Digit Numbers
- Adding 4-Digit Numbers
- Adding 5-Digit Numbers
- Adding 6-Digit Numbers
- Adding 7-Digit Numbers
Properties and Relationships
- Inverse Relationship of Add and Subtract
- Properties of Addition
- Place Value Expanded Form
- Relationship of Addition to Multiplication
- Addition Terms
Addition Skills
- Add Vertically
- Add Decimal Tenths
- Adding Nickels and Pennies
- Adding Dimes and Pennies
- Adding Dimes, Nickels and Pennies
- Adding Dollars, Dimes and Pennies
- Addition of Money
- Adding 2 Decimals
- Adding 3 Decimals
- Adding Feet and Inches
- Adding Pounds and Ounces
- Add Weeks and Days
- Add Days and Hours
- Adding Minutes and Hours
- Add Minutes and Seconds
- Add Hours to a Time
- Add Half-Hours to a Time
- Addition Using Estimation
- Front-End Estimation of Sums
- Estimate Sum of Decimals
- Place Value Expanded Form
- The Four Basic Operations
- Adding Roman Numerals
Addition Equations
- 1-Digit Addition Equations
- 2-Digit Addition Equations
- 3-Digit Addition Equations
- 4-Digit Addition Equations
- 5-Digit Addition Equations
- 6-Digit Addition Equations
Addition of Positive and Negative Integers
- Adding One-Digit Integers
- One-Digit Integer Addition Equations
- Adding Two-Digit Integers
- Two-Digit Integer Addition Equations
- Adding Three Integers
- Three-Digit Integer Addition Equations
- Four-Digit Integer Addition Equations