For videos demonstrating how to do the concepts and skills that are assessed in the Summer Math Mastery Test, please visit the following web sites by clicking on the links.

Videos to Watch

- Example: Adding two digit numbers (no carrying)

- Example: 2-digit subtraction (no borrowing)

- Why carrying works

- Carrying when adding three digit numbers

- Examples of carrying when adding three digit numbers

- Addition 4

https://www.khanacademy.org/math/arithmetic/addition-subtraction/addition_carrying/v/addition-4

- Basic regrouping or borrowing when subtracting three digit numbers

- Regrouping when subtracting three digit numbers

- Regrouping twice when subtracting three digit numbers

- Regrouping from 0 when subtracting three digit numbers

- Borrowing once example 1

- Borrowing once example 2

- Regrouping (borrowing) twice example

- 2-digit times 1-digit number

- 2-digit times a 2-digit number

- Example: Two digit multiplication

- Example: 2-digit time 2-digit

- Multiple Digit Numbers

- Division 1

https://www.khanacademy.org/math/arithmetic/multiplication-division/delightful_division/v/division-1

- Division 2

https://www.khanacademy.org/math/arithmetic/multiplication-division/delightful_division/v/division-2

- Example: Expressing division in multiple ways

- More long division and remainder examples

- Level 4 Division

https://www.khanacademy.org/math/arithmetic/multiplication-division/long_division/v/level-4-division