Reception
Explore more than 150, Year 9 Math concepts with Learndigo! Hover over any technique to preview, then click to start refining your understanding.
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 proble
- 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
Mean, median, mode, and range
- 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
Proportions
- 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 - Lets 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
Discover more than 110, Year 9 English lessons with Learndigo! Hover to preview, then click to start practising and improving your knowledge.
Sentence structure
- Learn - Sentence structure
- 1.1 - Is the sentence declarative, interrogative, imperative or exclamatory?
- 1.2 - Is it a direct object or an indirect object?
- 1.3 - Is it a complete sentence or a fragment?
- 1.4 - Is it a complete sentence or a run-on?
- 1.5 - Is it a complete sentence, a fragment or a run-on?
- 1.6 - Is it a phrase or a clause?
- 1.7 - Complete sentence and predicate
- 1.8 - Compound predicate
Nouns
- Learn – Nouns
- 2.1 - Identify plurals, singular possessives and plural possessives
- 2.2 - Form plurals of nouns ending in f, fe, o and y
- 2.3 - Form plurals: review
- 2.4 - Identify and correct errors with plural and possessive nouns
- 2.5 - Singular or plural possessive
- 2.6 - Compound nouns and possessive forms
Pronouns and antecedents
- Learn – Pronouns
- 3.1 - Choose between subject and object pronouns
- 3.2 - Compound subjects and objects with 'I' and 'me'
- 3.3 - Compound subjects and objects with pronouns
- 3.4 - Choose between personal and reflexive pronouns
- 3.5 - Is the pronoun reflexive or intensive?
- 3.6 - Identify vague pronoun references
- 3.7 - Use reflexive pronouns
- 3.8 - Use relative pronouns: who and whom
- 3.9 - Use relative pronouns: who, whom, whose, which and that
- 3.10 - Use the pronoun that agrees with the antecedent
- 3.11 - Pronouns and their antecedents
- 3.12 - Determine all possible antecedents
Active/Passive and Verbs
- Learn - Active, passive, and verbs
- 4.1 - Use the correct verb with compound subjects
- 4.2 - Identify active and passive voice
- 4.3 - Identify linking verbs, predicate adjectives and predicate nouns
- 4.4 - Rewrite the sentence in active voice
- 4.5 - Correct errors with subject-verb agreement
- 4.6 - Correct errors with indefinite pronoun-verb agreement
- 4.7 - Forming compound subjects and verbs
- 4.8 - Infinitive phrases
Adjectives and adverbs
- Learn - Adjectives and adverbs
- 5.1 - Order adjectives
- 5.2 - Choose between adjectives and adverbs
- 5.3 - Is the word an adjective or adverb?
- 5.4 - Transitions with conjunctive adverbs
- 5.5 - Identify adjectives
- 5.6 - Identify adverbs
- 5.7 - Degree of adjective and adverb
Punctuation
- Learn – Punctuation
- 6.1 - Formatting titles
- 6.2 - Formatting and capitalising titles: review
- 6.3 - Use semicolons and commas to separate clauses
- 6.4 - Use semicolons, colons and commas with lists
- 6.5 - Decide whether ellipses are used appropriately
- 6.6 - Capitalising titles
- 6.7 - Coordinating and non-coordinating adjectives
- 6.8 - Hyphens and dashes
Prefixes and suffixes
- Learn – Affixation
- 7.1 - Words with pre-
- 7.2 - Words with re-
- 7.3 - Words with sub-
- 7.4 - Words with mis-
- 7.5 - Words with un-, dis-, in-, im- and non-
- 7.6 - Words with -ful
- 7.7 - Words with -less
- 7.8 - Words with -able and -ible
- 7.9 - Affixation review
Greek and Latin roots
- Learn - Greek and Latin roots
- 8.1 - Use Greek and Latin roots as clues to the meanings of words
- 8.2 - Use words as clues to the meanings of Greek and Latin roots
- 8.3 - Determine the meanings of Greek and Latin roots
- 8.4 - Determine the meanings of words with Greek and Latin roots
Reference skills
- Learn - Dictionary skills
- 9.1 - Alphabetical order
- 9.2 - Use guide words
- 9.3 - Use thesaurus entries
Thesaurus and connotation
- Learn - Thesaurus and connotation
- 10.1 - Choose the synonym
- 10.2 - Choose the antonym
- 10.3 - Describe the difference between related words
- 10.4 - Positive and negative connotation
Figurative language
- Learn - Figure of speech
- 11.1 - Use personification
- 11.2 - Interpret figures of speech
- 11.3 - Figure of speech
Writing clear and concise sentences
- Learn - How to write clearly and concisely
- 12.1 - Transitions with conjunctive adverbs
- 12.2 - Use parallel structure
- 12.3 - Are the modifiers used correctly?
- 12.4 - Use the correct pair of correlative conjunctions
- 12.5 - Topics from broadest to narrowest
- 12.6 - Correct errors with frequently confused words
Author's purpose and tone
- Learn - Author's purpose and tone
- 13.1 - Which sentence is more formal?
- 13.2 - Author's purpose
- 13.3 - Author's tone
Literary devices
- Learn - Figure of speech
- 14.1 - Use personification
- 14.2 - Identify the source of allusions
- 14.3 - Interpret figures of speech
- 14.4 - Classify figures of speech
- 14.5 - Interpret the meaning of allusions
Types of sentences
- Learn - Types of sentences
- 15.1 - Is the sentence simple, compound, complex or compound-complex?
Homophones and analogy
- Learn - Homophones and analogy
- 16.1 - Use the correct homophone
- 16.2 - Use the correct frequently confused word
- 16.3 - Analogies
- 16.4 - Analogies: challenge
- 16.5 - Commonly confused words