Examples of what pupils should know and be able to do
Factorise 6a + 10 = 2(3a + 5).
Probing questions
How can you check that your factorising is correct? (Look for grid multiplication to demonstrate that the expressions are equivalent.)
What if pupils find this a barrier?
Refer to Step 6 multiply a single term over a bracket, and reinforce the connections between the grid method for multiplying and how the grid can be used to work out how to factorise an expression.
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