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ATL Maths ยท Year 9
Week 8 of 30
Next lesson ยท Week 8 of 30

Double brackets: four ways

Friday 30 October 2026

Multiply out two brackets four ways: split the first bracket, arrows, a grid and an area model, and see they give the same answer.

  1. Watch the video for the week.
  2. Do the practice questions on paper.
  3. Mark it yourself, then list what you were sure of and got wrong.
The log

What we've done

7 weeks, newest first

October2026
16Fri
Week 7Expanding brackets
Worksheetโœ“

Multiply out single brackets and simplify. Take care with a minus sign in front of a bracket.

9Fri
Week 6Percentage change
โœ“

Use a decimal multiplier to increase or decrease an amount by a percentage, including one change after another.

2Fri
Week 5Reverse percentages
โœ“

Work backwards from an amount after a percentage change to the original amount. Find the multiplier, then divide by it.

September2026
25Fri
Week 4Trip week โ€” no lesson
โœ“
18Fri
Week 3HCF and LCM
Worksheetโœ“
11Fri
Week 2Factors and number properties
โœ“

Use a number's prime factorisation to count its factors and to spot square and cube numbers.

4Fri
Week 1Prime factorisation
โœ“

Write a number as a product of its prime factors using a factor tree. Give the answer in index form, like 2ยณ ร— 3 ร— 5.

The plan

What's coming, if it goes right

22 weeks to go ยท ends 4 Jun 2027

November2026
6Fri
Week 9Area and perimeter with algebra

Write expressions for the perimeter and area of shapes whose sides are given in letters, then use them to find a missing side.

13Fri
Week 10Simplifying expressions

Multiply and divide algebraic terms and collect like terms, using the index laws.

Professional learning day20 Nov ยท no lesson
27Fri
Week 11Substitution

Replace the letters in an expression or formula with numbers, including negatives, decimals and powers, and work out its value.

December2026
4Fri
Week 12Solving equations

Solve linear equations, including ones with brackets and a negative number of x.

11Fri
Week 13Sequences, nth term

Find the nth term rule for a sequence that goes up or down by the same amount each time.

18Fri
Week 14Sequences, harder

Find missing terms when the terms you are given are not next to each other, and compare a sequence with a rule you already know.

Christmas Break19 Dec โ€“ 8 Jan ยท no lesson
January2027
15Fri
Week 15Sequences, nth term (second pass)

A second pass at nth term rules, this time with terms written in algebra.

22Fri
Week 16Multiples and LCM

Find the lowest common multiple by listing multiples, and use it to solve problems about things that repeat.

29Fri
Week 17Scale drawings and maps

Use a map scale to turn a measured length into a real distance, and find the scale factor between two similar shapes.

February2027
5Fri
Week 18Powers and indices

Use the index laws with numbers, and find a missing power or a missing base.

12Fri
Week 19Sequences, nth term (third pass)

A third pass at nth term rules. Aim to do these without your notes.

February Break15 Feb โ€“ 19 Feb ยท no lesson
26Fri
Week 20Compound area and perimeter

Split a compound shape into rectangles to find its area and perimeter, with sides given in letters.

March2027
5Fri
Week 21Area and perimeter with algebra (second pass)

A second pass at perimeter and area in algebra, ending with forming an equation from the area of a rectangle.

12Fri
Week 22Directed number

Add, subtract, multiply and divide with negative numbers, including finding a missing number.

19Fri
Week 23Order of operations and powers

Work calculations in the right order, with powers, brackets and negative numbers.

Easter Break26 Mar โ€“ 9 Apr ยท no lesson
April2027
16Fri
Week 24Fraction arithmetic

Add, subtract, multiply and divide fractions, and simplify using the highest common factor.

23Fri
Week 25Fraction arithmetic (second pass)

A second pass at fraction arithmetic, with fractions on scales and in proportion problems.

30Fri
Week 26FDP and percentages

Move between fractions, decimals and percentages, and find the original amount from a percentage of it.

May2027
Ascension6 May โ€“ 7 May ยท no lesson
14Fri
Week 27Percentages review

Percentage change and reverse percentages together, with a calculator and without.

21Fri
Week 28Forming and solving equations

Turn a worded problem or a shape into an equation, then solve it.

28Fri
Week 29Index laws

Use the index laws with letters: multiplying, dividing and a power of a power.

June2027
4Fri
Week 30Mixed review

A mixed set from the whole year. Start with the topics where you were sure and got it wrong.

Watch first: Corbett 5-a-day Higher

Ecolint ยท Campus des Nations Videos and questions: Corbett Maths ยท Problems: NRICH
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