- Vertically add 4-digit numbers with carrying
- Horizontally add 4-digit numbers with carrying
- Add numbers of complexity and arbitrary size by standard algorithm

- Multiply 1-digit whole numbers by multiples of 10 using place value
- Multiply 1-digit whole numbers by multiples of 10 using properties of
- Multiply numbers by 10, 100 and 1000

- Divide 2-digit number by 1-digit number
- Divide numbers with 1-digit number using place value for zero remaind
- Divide numbers with 1-digit number using place value for non-zero rem
- Divide numbers with 1-digit number using area model for zero remainder
- Divide numbers with 1-digit number using area model for non-zero rema
- Divide numbers with 1-digit number using big 7 method for zero remain
- Divide numbers with 1-digit number using big 7 method for non-zero re