Year 9

Factors

• Learn - Factors
• 1.1 - Find the factors of the given numbers

Integers

• Learn - Integers, number line, and absolute value
• 2.1 - Find the opposite values of the given integers
• 2.2 - Integer inequalities with absolute values
• Learn - Positive and negative numbers
• 2.3 - Positive and negative numbers
• 2.4 - Putting integers on number line

Operations with integers

• Learn - Addition and Subtraction of Integers
• 3.1 - Adding and subtracting the integers
• 3.2 - Adding and subtracting the integers part-2
• 3.3 - Add and subtract three or more integers
• 3.4 - Multiply and divide the integers
• Learn - Multiplication and division of Integers
• 3.5 - Multiply and divide the integers part-2
• Learn - BODMAS rule
• 3.6 - Evaluate numerical expressions involving integers
• 3.7 - Division

Rational numbers

• Learn - Rational or irrational number
• 4.1 - Identify rational and irrational numbers
• Learn - Least common denominator
• 4.2 - Find the lowest common denominator
• Learn - Absolute value of rational
• 4.3 - Find the absolute value of rational numbers
• 4.4 - Convert between decimals and fractions or mixed numbers
• 4.5 - Compare rational numbers
• Learn - Rationalizing and subtracting the denominator
• 4.6 - Rationalizing the denominator
• 4.7 - Subtracting denominator

Operations with rational numbers

• Learn - Adding and subtracting rational numbers
• 5.1 - Find the reciprocals and multiplicative inverses
• 5.2 - Adding and subtracting rational numbers
• 5.3 - Adding and subtracting rational numbers: word problems
• Learn - Dividing and multiplying rational numbers
• 5.4 - Multiplying and dividing rational numbers
• 5.5 - Evaluate numerical expressions involving rational numbers
• 5.6 - Division of fractions

Exponents and roots

• Learn - Exponents
• 6.1 - Evaluating and converting into exponential form
• 6.2 - Evaluate exponents
• 6.3 - Evaluate the equations to find the values
• 6.4 - Evaluating exponents with negative bases
• 6.5 - Evaluating exponents with decimal and fractional bases
• 6.6 - Evaluate bases with negative exponents
• 6.7 - Find the square roots of perfect squares
• 6.8 - Positive and negative square roots
• Learn - Square root of perfect square
• 6.9 - Find the square root of the exponential value
• 6.10 - Find the cube roots of perfect cubes

Standard form

• Learn - Scientific notation
• 7.1 - Converting scientific notation and standard form
• Learn - Correct sign
• 7.2 - Select the correct the sign
• 7.3 - Scientific notation examples

Ratios and rates

• Learn - Ratio
• 8.1 - Are these ratios equal?
• 8.2 - Write a number to make the rations identical
• 8.3 - Find the unit rates

Percents

• Learn - Percentage to fractions and decimals
• 9.1 - Convert between percent, fractions and decimals
• 9.2 - Compare percentages to fractions and decimals
• Learn - Percent and proportions
• 9.3 -Find the percentage of numbers and money amounts
• 9.4 - Compare the percentages of numbers
• 9.5 - Evaluate percentages for the number

Consumer maths

• Learn - Price
• 10.1 - Find the total price from the price lists
• 10.2 - Find the price of a unit
• 10.3 - Find the total price from a unit
• 10.4 - Find the percentage of discount and mark-up
• 10.5 - Find the percentage for VAT, discount and more

Units of measurement

• Learn - Unit conversion
• 11.1 - Convert the quantities on the basis of units
• 11.2 - Convert the quantities on the basis on the units
• 11.3 - Convert between square meters and hectares
• 11.4 - Convert between cubic metres and litres

Problem solving

• Learn - Problem solving
• 12.1 - Mixed word problems
• 12.2 - Guess-and-check word problems
• Learn - Elapsed time problem solving
• 12.3 - Elapsed time word problems
• 12.4 - Problems

Two-dimensional figures

• Learn - Triangle
• 13.1 - Identify and classify polygons
• 13.2 - What type of triangle is this?
• 13.3 - Can you identify a trapezium?
• 13.4 - Name the quadrilaterals
• 13.5 - Find missing angles in triangles and quadrilaterals
• 13.6 - Find the interior angles of polygons
• Learn - Supplementary angle and complementary angle
• 13.7 - Find the complementary, supplementary, vertical and adjacent angles
• 13.8 - Sum of interior and exterior angle

Pythagoras' theorem

• Learn - Pythagoras theorem
• 14.1 - Pythagoras' theorem: find the length of the hypotenuse
• 14.2 - Pythagoras' theorem: find the missing leg length
• 14.3 - Pythagoras' theorem: find the perimeter
• 14.4 - Pythagoras' theorem examples

Expressions and properties

• Learn - Expression
• 15.1 - Make a variable expressions from the given data
• 15.2 - Evaluate one-variable expressions
• Learn - Algebric expression
• 15.3 - Algebraic expression

Statistics

• Learn - Mean, median, mode, and range
• 16.1 - Calculate mean, median, mode, and range
• 16.2 - Study the charts to find mean, median, mode, and range
• 16.3 - Mean, median, mode, and range: find the missing number
• 16.4 - Changes in mean, median, mode, and range

One-variable inequalities

• Learn - Inequalities
• 17.1 - Find the values of inequalities
• 17.2 - Make inequalities from number lines
• 17.3 - Solve one-step inequalities
• 17.4 - Solve two-step linear inequalities
• 17.5 - Solve multi-step inequalities
• Learn - Quadratic inequalities
• 17.6 - Quadratic inequalities

One-variable equations

• Learn - One variable equation
• 18.1 - Find the values to satisfy the equation
• 18.2 - Form an equation from words
• 18.3 - Write and solve equations that represent diagrams
• 18.4 - Solve one-step equations
• 18.5 - Solve two-step equations
• 18.6 - Solve multi-step equations
• 18.7 - Solve multi-step equations
• 18.8 - Solve equations involving like terms
• 18.9 - Solve equations with variables on both sides
• 18.10 - Solve equations: mixed review

Proportion

• Learn - Proportion
• 19.1 - Do the ratios form a proportion?
• 19.2 - Evaluate the proportions to find the value
• 19.3 - Evaluate word problems by proportional method
• 19.4 - Rationalizing

Precision

• Learn - Precision
• 20.1 - Introduction to precision
• 20.2 - Imperial mixed units
• 20.3 - Convert between metric and imperial units

Quartiles

• Learn - Quartiles
• 21.1 - Find the quartiles
• 21.2 - Identify representative, random and biased samples

Divisibility rules

• Learn - Divisibility rules
• 22.1 - Let's revise the divisibility rules

Prime and composite number

• Learn - Prime and composite number
• 23.1 - Is this a prime or composite number?

Prime factorization

• Learn - Prime factorization
• 24.1 - Find the Prime factors of the given numbers

HCF and LCM

• Learn - HCF & LCM
• 25.1 - Find the Highest Common Factor (HCF) of given numbers
• 25.2 - Find the Lowest Common Factors (LCM) of the given numbers
• Learn - Numbers
• 25.3 - Classify numbers