Computation and Financial Maths
Computation with integers, fractions, ratios and percentages, then income, tax, simple and compound interest.
Active lessons
13
Status
Active
Lesson flow
Learn -> Guided Practice -> Independent Practice -> Mastery Quiz
How to use this unit
- Start from lesson 1 and move through the pathway in order.
- Use guided practice before attempting independent practice.
- Mastery quizzes check whether the skill is ready for review or extension.
Unit pathway
Lesson pathway
13 of 13 active
Lesson 1
Computations with Integers
Add, subtract, multiply and divide positive and negative integers using order of operations.
Lesson 2
Decimal Places and Significant Figures
Round numbers to a given number of decimal places and to significant figures.
Lesson 3
Rational Numbers
Recognise rational numbers and convert between fractions and decimals.
Lesson 4
Computation with Fractions
Add, subtract, multiply and divide fractions and simplify the result.
Lesson 5
Ratios, Rates and Best Buys
Simplify ratios, work with rates, and compare unit prices to find the best buy.
Lesson 6
Percentages and Money
Find percentages of amounts and convert between percentages, fractions and decimals.
Lesson 7
Percentage Increase and Decrease
Increase or decrease a quantity by a percentage using a multiplying factor.
Lesson 8
Profits and Discounts
Calculate profit, loss, percentage profit or loss, and discounts on a price.
Lesson 9
Income
Calculate gross income from wages, salaries, overtime, commission and piecework.
Lesson 10
The PAYG Income Tax System
Find taxable income, income tax, the Medicare levy and net pay.
Lesson 11
Simple Interest
Calculate simple interest with I = Prn and the total amount A = P + I.
Lesson 12
Compound Interest and Depreciation
Calculate compound interest and depreciation by repeated multiplication.
Lesson 13
Using a Formula for Compound Interest and Depreciation
Use the compound interest formula to find the final amount when interest is added each period.
Part of the Online Learning Package
Unit previews stay public, while individual lessons require active online learning access.