Edexcel IGCSE Math A Foundation 2.1 A Symbols in Equations Expressions and Formulae Questions

Build confidence translating a stated sequence of operations into an expression in x, preserving operation order and recognising equivalent algebraic forms.

Exam points

Translate a sequence of operations into an expression in x and preserve the correct operation order.
Recognise equivalent forms such as (x + 7)/5, one fifth of (x + 7), and 0.2x + 1.4.

[Maximum number: 2]

Here is a number machine.

Figure for Question Edexcel IGCSE Math A Foundation 2.1 A Symbols in Equations Expressions and Formulae Questions question 1 — Edexcel IGCSE Math A Foundation

When the input is 7 the output is 60

Here is a different number machine.

The input is x

Write down an expression, in terms of x, for the output.

Final answer:
$\frac{x+7}{5}$

Equivalent forms such as $\frac{1}{5}(x+7)$ or 0.2x+1.4 are accepted.

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Edexcel IGCSE Math A Foundation 2.1 A Symbols in Equations Expressions and Formulae Questions question 1