🔢 Number

Decimal place value

Learn decimal place value with a GCSE-style explanation, help guide, worked example, practice question and flashcards.

DecimalsGCSE25 XP completion3 flashcards

Global XP

Level 1

0 / 100 XP

1. Explanation

Key idea

Decimal place value is part of decimals and appears often in KS3–GCSE maths.
Each decimal place is ten times smaller than the place to its left.
Use the worked model, help guide, interactive question and flashcards to practise decimal place value until the steps feel automatic.

Shopping, sport, travel, science, design and everyday decisions all use this skill.

2. Visual

Understand the key idea → follow the help guide → practise a question → check your method → build speed with flashcards.

3. Help guide

Learn the rule: Each decimal place is ten times smaller than the place to its left.
Worked model: Identify tenths, hundredths and thousandths. Use zeros to hold empty places. Say the value of the final digit.
Try the interactive question without looking at the answer first.
Use the flashcards to test the rule, the method and a common check.

4. Worked examples

Answer: 0.305 is 305 thousandths

5. Interactive questions

6. Flashcards

Flip each card, then choose whether you know it or need more practice.

0 mastered

FrontRule for Decimal place value

BackEach decimal place is ten times smaller than the place to its left.

FrontExample answer: What is 0.46 as hundredths?

Back0.46 means 4 tenths and 6 hundredths, which is 46 hundredths.

FrontCommon check for Decimal place value

BackCheck units/notation, compare with an estimate, and make sure the answer matches the question.

7. Finish

When you have read the examples, tried the question and reviewed flashcards, claim your topic completion XP.