A3
Manipulating Expressions 2
Use the distributive law to expand and factorize single and double brackets.
Builds on: A2
Use the distributive law and the area model to expand a single bracket, and test an expansion with a number.
Expand brackets that have subtraction inside, a negative number outside, or both, and find the slip in a wrong expansion.
Expand more than one bracket, subtract a bracket, handle loose terms, and decide whether two expressions are equal.
Expand brackets with a letter, a number and a letter, or a fraction outside, and collect like terms.
Find the highest common factor, factorise two-term expressions fully, check by expanding, and use factorising to find a side from an area.
Factorise with letter and number-and-letter common factors, divide expressions by cancelling, and decide when cancelling is allowed.
Multiply two brackets with a grid, including negatives, numbers in front, squares and the sum-and-product pattern.
Expand and factorise a difference of two squares, factorise x squared plus bx plus c, and combine the methods.
Unit code A3
A3
Use the distributive law to expand and factorize single and double brackets.