Math & Science Support

Ratios

Reducing Ratios

Scale Drawing Example

Grade Example

Metal Alloy Example

Proportions and Direct/Indirect Problems

Finding Total Cost from Unit Price ($/kg)

Finding Total Amount from Unit Price ($/kg)

Difference between Direct/Indirect

Direct Example (time and number of cuts)

Indirect Example (diameter and rpm of gears)

Exponents and Order of Operations

Squares and Cubes

Square Roots and Cube Roots

Order of Operations (no exponents)

Order of Operations (with exponents)

Basic Equations

General Rules for Solving Equations

Solving Basic Equations (no exponents)

Solving Basic Equations (with squares and cubes)

Substituting Values (basic) Part 1

Substituting Values (basic) Part 2

Substituting Values (basic) Part 3

Rearranging Basic Formulas

Rearranging Basic Formulas then Substituting Values

Multi-Step Equations

Solving Multi-Step Equations Part 1

Solving Multi-Step Equations Part 2 (distribution)

Solving Multi-Step Equations Part 3 (like terms)

Substituting Values (multi-step) Part 1

Substituting Values (multi-step) Part 2

Rearranging Multi-Step Formulas

Rearranging Multi-Step Formulas then Substituting Values

Other Word Problems

Rate, Distance, Time (write an equation and solve for time)

Mixture Problem 1 (mixing two solutions)

Mixture Problem 2 (how much water to add)

Mixture Problem 3 (water-antifreeze ratio)