Year 5 - Maths
Describe and represent hundredths as a decimal number
Understand hundredths as parts of a whole and represent
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This pupil-friendly study guide includes a unit summary, clear notes, common mistakes, and quick questions with answers.
Unit Summary
In this unit pupils will identify hundredths as part of a whole and describe and represent hundredths as a decimal fraction. They will compare and order decimal numbers with hundredths.
Lesson Summary
You will learn to describe and represent hundredths as a decimal number.
Key Notes
- If a digit is moved one column to the right it becomes one tenth the size.
- One hundredth is one tenth the size of one tenth.
- Hundredths are recorded in the column to the right of the tenths so one tenth is 0.01
Vocabulary To Learn
- Hundredth: The name we give to one part of one hundred equal parts.
- One hundredth the size: When a whole is divided into one hundred equal parts, we can say one of those parts is one hundredth the size of the whole.
- Hundredths column: The hundredths column places the number of hundredths a given number has.
Common Mistakes To Avoid
- Pupils may record two-digit hundredth values incorrectly. For example 12 hundredths as 0.012
3 Quick Questions (With Answers)
1. Solve this in steps: explain the method from this lesson and why each step matters.
If a digit is moved one column to the right it becomes one tenth the size. One hundredth is one tenth the size of one tenth.
2. Use this key word in a maths sentence and explain it clearly. 'Hundredth'
The name we give to one part of one hundred equal parts. Use this word when showing your method, then check your final answer is reasonable.
3. Spot and fix this common maths mistake.
Mistake: Pupils may record two-digit hundredth values incorrectly. For example 12 hundredths as 0.012. Correction: Use place value counters to represent the number and demonstrate the regrouping of ten hundredths.
More Lessons In This Unit
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