Year 5 - Maths
Use knowledge of decimal place value to solve problems in different contexts
Use knowledge of decimals to solve problems in different contexts: length
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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 use their knowledge of decimal place value to convert between and compare metres and centimetres explaining that different lengths can be composed additively and multiplicatively.
Lesson Summary
You will learn to use knowledge of decimal place value to solve problems in different contexts.
Key Notes
- Knowledge of decimal place value can help to read the scale of a graph.
- Knowledge of decimal place value can help to read a measuring scale.
Vocabulary To Learn
- Multiple: A multiple is the result of multiplying a number by an integer.
- Common: Something is common when it is frequently used or it occurs regularly.
- Partition: The act of breaking an object or value down into smaller parts.
- Interval: The space between two values or points.
Common Mistakes To Avoid
- Pupils count the interval markers to find how many parts the whole has been divided into.
3 Quick Questions (With Answers)
1. Solve this in steps: explain the method from this lesson and why each step matters.
Knowledge of decimal place value can help to read the scale of a graph. Knowledge of decimal place value can help to read a measuring scale.
2. Use this key word in a maths sentence and explain it clearly. 'Multiple'
A multiple is the result of multiplying a number by an integer. Use this word when showing your method, then check your final answer is reasonable.
3. Spot and fix this common maths mistake.
Mistake: Pupils count the interval markers to find how many parts the whole has been divided into. Correction: Identify clearly which whole you are dividing and link the bar model to the numberline to show how the intervals reveal the number of parts.
More Lessons In This Unit
- Compare and order numbers with up to 3 decimal places Study Guide
- Explain that different lengths can be composed additively and multiplicatively Study Guide
- Read and write numbers with up to 3 decimal places Study Guide
- Round a decimal number with hundredths to the nearest tenth Study Guide
- Round a decimal number with hundredths to the nearest whole number Study Guide
- Solve problems with numbers with up to 3 decimal places Study Guide
- Use knowledge of column addition and subtraction to calculate with decimals: tenths and hundredths Study Guide
- Use knowledge of decimal place value to convert between and compare metres and centimetres Study Guide
- Use knowledge of place value to calculate with decimal numbers up to and bridging one tenth Study Guide
Browse all guides in the Year 5 Maths guide library.