No. 621Ages 11 to 14
What Is Algebra?
Letters standing in for numbers, with the parts of an expression labelled and the notation that trips people up made plain.
No. 622Ages 11 to 14
Writing Expressions
Turning everyday phrases into algebra, from five more than a number to a number multiplied by itself, with practice.
No. 623Ages 11 to 14
Substitution
Swap each letter for its value and work it out, with two worked examples and four questions to try.
No. 624Ages 11 to 14
Collecting Like Terms
How to simplify by adding the terms that share a letter, with a sorted example and four to simplify yourself.
No. 625Ages 11 to 14
Expanding Brackets
Multiply everything inside the bracket by the term outside, shown with clear arrows and four questions.
No. 626Ages 11 to 14
One-Step Equations
Solving with inverse operations and a balance you can picture, keeping both sides equal all the way to the answer.
No. 627Ages 11 to 14
Two-Step Equations
Undo the plus or minus first, then the times or divide, with two fully worked examples and four to solve.
No. 628Ages 11 to 14
Sequences and the nth Term
Spot the common difference, build the nth term rule, and jump straight to any term in a linear sequence.
No. 629Ages 11 to 14
Straight-Line Graphs
Reading y = mx + c off a plotted line, with a table of values, gradient triangle and labelled axes.
Type or write inNo. 630Ages 11 to 14
Algebra Practice
A mixed write-in worksheet across substitution, simplifying, expanding and solving, with a full answer key.