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Number Revision

Surds, indices, standard form & bounds — part of CCEA GCSE Maths on KODO.

CCEA

Number is part of the CCEA GCSE Mathematics specification. It is assessed in your GCSE exams, so secure knowledge here feeds straight into your final grade.

This topic includes subtopics such as Surds, Indices, Standard form, Bounds. Each area is tested with multiple-choice questions that include detailed explanations to deepen your understanding.

Quick Reference

SurdsKey area within Number
IndicesKey area within Number
Standard formKey area within Number
BoundsKey area within Number

Key Definitions

Surds
A key concept within Number (CCEA GCSE Maths). Covered in the national curriculum and assessed in exams.
Indices
A key concept within Number (CCEA GCSE Maths). Covered in the national curriculum and assessed in exams.
Standard form
A key concept within Number (CCEA GCSE Maths). Covered in the national curriculum and assessed in exams.
Bounds
A key concept within Number (CCEA GCSE Maths). Covered in the national curriculum and assessed in exams.

What You'll Cover

Surds
Indices
Standard form
Bounds

Test Yourself — Number

Try 3 quick questions. No account needed.

Quick Quiz

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Memory Tricks & Mnemonics

Create flashcards for each Number subtopic

Active recall is proven to be more effective than re-reading notes.

Use spaced repetition — review after 1 day, 3 days, 7 days, 14 days

KODO's built-in spaced repetition system schedules reviews automatically.

Frequently Asked Questions

What does Number cover in CCEA GCSE Maths?+
Number in CCEA GCSE Maths covers Surds, Indices, Standard form, Bounds. Surds, indices, standard form & bounds.
What is the best way to revise Number?+
Test yourself rather than re-reading notes. Do a short Number quiz, read the explanation for every answer you get wrong, then come back to those questions a few days later. KODO does this automatically with spaced repetition, and you can turn any topic into printable flash cards.
Is Number revision on KODO free?+
Yes. KODO is free for everyone until Friday 18 December 2026, with unlimited quizzes on Number and every other topic. After that there is still a free plan with daily quizzes.
Which exam board is this Number revision for?+
This page follows the CCEA GCSE Mathematics specification. KODO also has GCSE revision for the other main boards (AQA, Pearson Edexcel and CCEA), and pupils pick their board when they sign up.

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