Function notation
What this lesson shows
Here's a machine. Drop a number in the top… a rule works on it… and a new number slides out the bottom. Mathematicians write this machine as f(x) = 2x + 3. Strange-looking — until you know how to read it.
Practise this every day
Eduyro gives your child a short daily worksheet on exactly this skill, and moves them on only once they have it. Watch the lesson, then build the fluency.
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