## When are different operations useful?

## Mathematics, Grade 9

MTH1W1 (Grade 9 De-streamed)

## Adding and Subtracting Fractions and Mixed Numbers

## Concepts

- adding and subtracting fractions and mixed numbers

## Other Resources and Links

## Multiplying and Dividing Fractions and Mixed Numbers

## Concepts

- multiplying and dividing fractions and mixed numbers
- powers of fractions and mixed numbers
- order of operations involving fractions and mixed numbers

## Other Resources and Links

## Adding and Subtracting Monomials (Collecting Like Terms)

## Concepts

- simplifying algebraic expressions
- collecting like terms

## Other Resources and Links

## Adding and Subtracting Polynomials

## Concepts

- adding and subtracting polynomials

## Teacher Resources

## One-Step Equations

## Concepts

- solving one-step equations without fraction coefficients

## Other Resources and Links

- Practice: The Balance Model
- Practice: Linear Equations 1
- Practice: Linear Equations 2
- Practice: Linear Equations 3
- Practice: Linear Equations 4
- Practice: Linear Equations 5
- Practice: Linear Equations 6
- Practice: Linear Equations 7
- Practice: Linear Equations 8
- Contest Problems
- EQAO Problems
- Check Your Understanding

## Coding - Part 2

## Concepts

- data types (integer, floating point number and string)
- user prompts
- math library (for pi and square root)