logo

Cambridge IGCSE Mathematics practice

exam practice - Understand that letters can symbolize general numbers. Substitute numerical values into expressions and formulas. - Introduction to algebra

Try the question first, then check the answer and practise the same topic again.

At a glance

2

Paper

1

Marks

Topic

Introduction to algebra

Exam-style question

Try this first

Paper 2Core or Extended Mathematics1 marks

Evaluating expressions with variables.

Description

Expression Evaluation

Evaluate the expression 4x + 7 when x = 3.

  1. a

    Calculate the value of the expression.

    Aim for approximately 1 distinct marking point.

    [1]

0 of 1 part answered

Answer every part before opening the mark scheme.

Maths method check

  • Topic focus: Introduction to algebra.
  • Question style: structured_mathematics.
  • Reasoning demand: reasoning.
  • Check the operation, notation, units, and final answer form against the question before moving on.

Common mistake

No common mistake is linked to this question yet.

Related flashcards

Flashcard 1 of 6

Press Space to flip, arrows to move

Related practice questions

Question 1 of 5

Choose an answer, get feedback, then move sideways through the set.

0 of 4 attempted

Paper 2 structured question: Introduction to algebra

Paper 2Core or Extended Mathematics2 marks

Description

Area of a Rectangle

The area of a rectangle is given by the formula A = l * w. Calculate the area when l = 5 and w = 4.

  1. a

    Calculate the area of the rectangle.

    Aim for approximately 2 distinct marking points.

    [2]