logo

Cambridge IGCSE Mathematics practice

MCQ practice - Understand and use standard form expressed as A × 10^n, where n is any integer and A is a number between 1 and 10. Be able to convert numbers to and from standard form, and perform calculations involving numbers in standard form. Note that core candidates will only perform calculations in standard form on Paper 3. - Standard form

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

At a glance

MCQ

Type

cambridge_mcq

Style

Topic

Standard form

Exam-style question

Try this first

What is 3.2 × 10^5 + 4.5 × 10^5?.

  1. A.7.7 × 10^5
  2. B.7.7 × 10^6
  3. C.7.7 × 10^4
  4. D.7.7 × 10^3

Answer and explanation

Attempt the question first, then reveal the model answer and explanation.

Maths method check

  • Topic focus: Standard form.
  • Question style: cambridge_mcq.
  • 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 3 attempted

Paper 2 structured question: Standard form

Paper 2Core or Extended Mathematics2 marks

Description

Standard Form Calculation

Calculate the following: (3.5 × 10^4) + (2.1 × 10^4)

  1. a

    Calculate the sum of the two numbers in standard form.

    Aim for approximately 2 distinct marking points.

    [2]