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Listed below are all the different skills you will learn in Year 9 Mathematics Term 2. No matter who your teacher is you'll be covering this content from week to week. By clicking on the title of each section it will take you to a new page where there are helpful tutorial videos and worksheets to practice your mathematical skills. Each week is split up into "Must Do" - content all students will need to know, and "Could Do" - content you could learn if you want to extend yourself. Remember, if you're ever unsure about something you can email your Maths teacher.
Must Know
Use your geometry knowledge to solve problems giving geometric reasons for each step of the solution
Extension
Use circle geometry theorems to solve angle problems
Must Know
Understand the idea of inverse operations
Use inverse operations to balance equations to solve for a variable, which require one or more steps
Extension
Solving equations that involve powers and roots
Must Know
Solve linear equations with x on both sides of the equation
Solve linear equations that have non-integer solutions
Extension
Solving 2x2 system of equations
No calculator
Must Know
Understand what is a fraction and its parts - numerator/denominator
Identify and find equivalent fractions
Simplify fractions (sometimes called "reducing" fractions)
Extension
Simplify fractions using prime factorisation
No calculator
Must Know
Multiply fractions
Divide fractions
Understand the idea of reciprocal fractions
Be able to convert between improper fractions and mixed numbers
Extension
Simplify ratios
Use ratios to solve problems
Must Know
Convert between fractions, percentages and decimals
Round to a given number of decimal places
Extension
Round numbers to significant figures
Must Know
Find fractions of a number
Find percentages of a number
Increase and decrease numbers by a percentage
Extension
Find an original amount
Understand GST (Goods and Services Tax)
Must Know
Understand what is a census and samples
Make a plan to collect data
Must Know
Describe measures of centre for a given data set (mean, median, mode)
Describe measures of spread for a given data set (range)
Extension
Describe measures of spread for a given data set (interquartile-range)
Must Know
Understand how use CODAP
Interpret a bar graph
Interpret a dot plot
Describe the shape of data
Must Know
Understand what is Bivariate Data and the difference between correlation and causation
Describe the trend of bivariate data
Graph a line of best fit and make a prediction
Statistics Test Revision
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