Bite-sized Video Lessons for Year 6 to GCSE & IGCSE

10-minute lessons with videos, flashcards, quizzes, interactive practice, and AI help.

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$Number line from −5 to 5 showing negative numbers, the origin, and positive numbers at equal intervals$

Year 6–7 (UK)

Number Line and Comparing Numbers

A number line places numbers in order on a straight line. Interactive practice to try, plus flashcards to download.

$Place value chart and rounding rules for whole numbers with worked examples$

Year 7–8 (UK)

Place Value and Rounding Numbers

Place value is what each digit is worth: in 3482 the 4 means 400. To round, look at the next digit; 5 or more rounds up. Download the flashcards to revise.

$Definition of Natural numbers, whole numbers, and integers.$

Year 7–8 (UK)

Natural Numbers, Whole Numbers, and Integers

Natural numbers start at 1, whole numbers include 0, and integers add negatives. Worked examples, plus flashcards to download.

$Rational numbers lesson showing fractions, terminating decimals, and recurring decimals.$

Year 9–10 (UK)

Rational Numbers and Their Location on a Number Line

A rational number is one integer over another, like 3/4, −2 or 0.75; √2 and π are not. Worked examples, plus flashcards to download.

$Absolute value is always non-negative: |x| ≥ 0, with examples |5| = 5, |0| = 0, and |−3| = 3$

Year 7–8 (UK)

Absolute Value

Absolute value is the distance from zero, so |−5| = 5 and |5| = 5; it is never negative. Worked examples, plus flashcards to download.

$Basic arithmetic operations and inverse operations diagram with examples$

Year 6–7 (UK)

Basic Arithmetic and Inverse Operations

Basic arithmetic covers addition, subtraction, multiplication and division; inverse operations undo each other. Worked examples, plus flashcards.

$BIDMAS order of operations lesson covering brackets, indices, division, multiplication, addition, subtraction$

Year 6–7 (UK)

BIDMAS - Order of Operations

BIDMAS is the order of operations: Brackets, Indices, Divide, Multiply, Add, Subtract. Flashcards to download, plus a quiz to test yourself.

$Commutative and associative property lesson showing how to swap and regroup numbers in maths$

Year 6–7 (UK)

Commutative and Associative Laws

Commutative: a + b = b + a. Associative: (a + b) + c = a + (b + c). Same for multiplying. Flashcards to download to revise both laws.

$Column addition and subtraction worked examples showing carrying and borrowing with multi-digit numbers$

Year 6–7 (UK)

Column Addition and Column Subtraction

Column addition and subtraction are used to add and subtract multi-digit numbers vertically. Interactive practice to try, plus flashcards to download.

$Long multiplication method showing step-by-step partial products for multiplying multi-digit numbers$

Year 6–7 (UK)

Long Multiplication

Long multiplication splits large calculations into smaller digit-by-digit steps. Interactive practice to try, plus flashcards to download.

$Long division worked example showing dividend, divisor, quotient and remainder step by step$

Year 6–7 (UK)

Long Division

Long division goes one digit at a time: divide, multiply, subtract, bring down, repeat. Worked examples, plus flashcards to download.

$Decimal point shifting right for multiplication and left for division by powers of 10$

Year 6–7 (UK)

Movement of the Decimal Point

Moving the decimal point right multiplies a number by 10, 100 or 1000; moving it left divides. A 3-minute video, plus a quiz to test yourself.

$Adding and subtracting negative numbers with sign rules and number line examples$

Year 7–8 (UK)

Adding and Subtracting Negative Numbers

Adding and subtracting negatives: two signs the same make a plus, two different make a minus. Flashcards to download to revise the rules.

$Sign rules for multiplying and dividing negative numbers with worked examples$

Year 7–8 (UK)

Multiplying and Dividing Negative Numbers

Multiplying or dividing negatives: same signs give a plus, different signs give a minus. Interactive practice to try, plus flashcards to download.

$Step-by-step guide to calculating money with pounds and pence examples$

Year 6–7 (UK)

Calculating Money

Calculating money involves separating pounds and pence for each operation. Interactive practice to try, plus flashcards to download.

$Metric units of length conversion chart showing km, m, cm, and mm with examples$

Year 6–7 (UK)

Converting and Calculating Units of Length

1 km = 1000 m, 1 m = 100 cm and 1 cm = 10 mm. Convert between them and add or subtract lengths. Free 4-minute video, plus a quiz to test yourself.

$Metric units of mass conversion chart showing tonnes, kilograms, grams, and milligrams$

Year 6–7 (UK)

Converting and Calculating Units of Mass

1 tonne = 1000 kg, 1 kg = 1000 g and 1 g = 1000 mg: multiply going down, divide going up. Flashcards to download, plus a quiz to test yourself.

$Converting time and calculating time lesson covering hours, minutes, and seconds$

Year 6–7 (UK)

Converting Time and Calculating Time

1 hour = 60 minutes and 1 minute = 60 seconds, so 2 h 15 min is 135 minutes. Quiz to test yourself, plus flashcards to download.

$Divisibility rules for 2, 4, and 8 using last-digit checks, with worked examples for 26, 328, and 6160$

Year 7–8 (UK)

Divisibility and Divisibility Rules

Divisibility rules for 2 to 10 are simple digit checks to test if a number divides evenly. Interactive practice to try, plus flashcards to download.

$Prime numbers under 20 and prime factorisation of 126 = 2 × 3² × 7 using a factor tree$

Year 7–8 (UK)

Prime Numbers and Prime Factorisation

A prime number has exactly two factors: 1 and itself. Interactive practice to try, plus flashcards to download.

$Step-by-step guide showing how to find HCF and LCM using prime factorisation with worked examples$

Year 7–8 (UK)

How to Find HCF and LCM

The HCF is the largest factor two numbers share; the LCM is their smallest common multiple. A 4-minute video, plus flashcards to download.

$Introduction to fractions showing numerator and denominator with pizza slice examples$

Year 6–7 (UK)

Introduction to Fractions

Fractions show parts of a whole with a numerator and denominator, like 3/4. Find a fraction of an amount too. Worked examples, plus flashcards to download.

$Equivalent fractions: simplifying 18/63 to 2/7 and expanding 2/7 to 18/63$

Year 6–7 (UK)

Equivalent Fractions

Equivalent fractions look different but have the same value, like 1/2 = 2/4 = 3/6. A 3-minute video, plus a quiz to test yourself.

$Comparing fractions with same denominator (5/8 > 3/8) and same numerator (4/5 > 4/9) using chocolate bar and pizza visuals$

Year 6–7 (UK)

Comparing Fractions

To compare fractions, use the same denominator: 2/3 = 8/12 and 3/4 = 9/12, so 3/4 is bigger. Worked examples, plus flashcards to download.

$Adding and subtracting like and unlike fractions with common denominators and worked examples$

Year 6–7 (UK)

Adding and Subtracting Fractions

Adding and subtracting fractions requires a common denominator when fractions are unlike. Worked examples, plus a 3-minute video.

$Multiplying fractions lesson covering cross-cancelling, whole numbers, and mixed number examples$

Year 6–7 (UK)

Multiplying Fractions

Multiply the tops, multiply the bottoms, then simplify, or cross-cancel first. Whole and mixed numbers are covered. Download the flashcards to revise.

$Dividing fractions lesson showing reciprocal method with whole numbers and mixed number examples$

Year 7–8 (UK)

Dividing Fractions

Dividing fractions means keeping the first fraction, flipping the second, and multiplying. Quiz to test yourself, plus flashcards to download.

$Decimal place value chart and step-by-step decimal to fraction conversion with examples$

Year 6–7 (UK)

Decimals and Fractions

Decimals and fractions are two ways to show parts of a number. Quiz to test yourself, plus flashcards to download.

$Decimal place value of 12.348 showing 1st, 2nd, and 3rd decimal places as tenths, hundredths, and thousandths$

Year 6–7 (UK)

Comparing and Rounding Decimals

Compare decimals digit by digit from the left; to round, 5 or more in the next digit rounds up. Worked examples, plus a 3-minute video.

$Step-by-step long division converting fraction 21/16 to terminating decimal 1.3125$

Year 6–7 (UK)

Convert Fraction to Decimal Using Long Division

A fraction converts to a decimal by dividing the numerator by the denominator. Interactive practice to try, plus flashcards to download.

$Adding and subtracting fractions and decimals using both decimal and fraction conversion methods$

Year 7–8 (UK)

Adding and Subtracting Fractions and Decimals

To add or subtract fractions and decimals, convert them to one form first. Worked examples of both methods, plus flashcards to download.

$Multiplying decimals lesson showing the three-step method with worked examples and decimal point placement$

Year 7–8 (UK)

Multiplying Decimals

To multiply decimals, ignore the points, multiply as whole numbers, then put the point back. Worked examples, plus flashcards to download.

$Worked example: calculating fractions and decimals by rearranging 1.1 + ³⁄₇ + 0.4 + ⁴⁄₇ with commutative and associative laws$

Year 7–8 (UK)

Calculating Fractions and Decimals

The commutative, associative and distributive laws make fraction and decimal sums quicker. Worked examples, plus flashcards to download.

$Step-by-step method for converting recurring decimals to fractions with worked examples$

Year 10–11 (UK)

Convert Recurring Decimals to Fractions

Recurring decimal to fraction: let x = 0.333…, so 10x = 3.333…, then 9x = 3 and x = 1/3. Worked examples for GCSE and IGCSE, plus flashcards to download.

$Powers and indices: 3⁴ with base and index labelled, expanded as 3 × 3 × 3 × 3 to show repeated multiplication$

Year 7–8 (UK)

Powers and Indices

Powers and indices mean repeated multiplication, for example, 5³ = 5 × 5 × 5. Interactive practice to try, plus flashcards to download.

$Standard form (scientific notation): expressing numbers as A × 10ⁿ where 1 ≤ A < 10, with example 26,000 = 2.6 × 10⁴$

Year 9–10 (UK)

Standard Form

Standard form writes a big or small number as A × 10ⁿ, with A between 1 and 10. So 26000 = 2.6 × 10⁴. Download the flashcards for GCSE and IGCSE revision.

$Square roots lesson thumbnail with definition and examples$

Year 7–8 (UK)

Basics of Square Roots

A square root is a non-negative value that, when squared, gives the original number, so √49 = 7. Worked examples, plus flashcards to download.

$Multiplying and dividing square roots lesson with step-by-step formulas and examples$

Year 10–11 (UK)

Multiplying and Dividing Square Roots

Multiplying square roots follows √a × √b = √(ab), and dividing follows √a ÷ √b = √(a/b). Flashcards to download for GCSE and IGCSE.

$Laws of indices lesson covering same base and same index rules with worked examples$

Year 10–11 (UK)

Laws of Indices (Same Base, Same Indices)

Laws of indices: with the same base, add the exponents to multiply and subtract to divide. Worked examples for GCSE and IGCSE, plus flashcards to download.

$Negative exponents and power of a power lesson with reciprocal and exponent rules$

Year 10–11 (UK)

Negative Indices and Power of a Power

Negative indices flip the base to a reciprocal, and power of a power multiplies the exponents. Worked examples for GCSE and IGCSE, plus a 4-minute video.

$nth root and fractional indices lesson with cube root and fourth root worked examples$

Year 10–11 (UK)

The nth Root and Fractional Indices

A fractional index is a root: x^(1/2) = √x and x^(1/3) = ∛x, so 8^(1/3) = 2 and 8^(2/3) = 4. Flashcards to download for GCSE and IGCSE.