Year 1 - Maths
Measure length using centimetre cubes
Numbers 0 to 20 in different contexts
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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 consolidate their counting to 20. They will measure objects using non-standard and standard measures and record outcomes, providing a context for counting and comparing numbers to 20.
Lesson Summary
You will learn to measure length using centimetre cubes.
Key Notes
- Individual cm cubes can be used to measure objects.
- The cm cubes should be lined up exactly with one end of the object with no gaps between them to measure accurately.
- It is important to measure in a straight line.
- The number of cubes tells you the length of the object.
Vocabulary To Learn
- Centimetre: A measure of length (about the width of a fingernail).
- Standard unit: Uniform units of of measure that are agreed throughout a community.
- Accurate: To work in a careful way so that there are no mistakes.
Common Mistakes To Avoid
- Children may not use cubes accurately, for example leaving gaps between the objects. They may also miscount the cubes.
3 Quick Questions (With Answers)
1. Solve this in steps: explain the method from this lesson and why each step matters.
Individual cm cubes can be used to measure objects. The cm cubes should be lined up exactly with one end of the object with no gaps between them to measure accurately.
2. Use this key word in a maths sentence and explain it clearly. 'Centimetre'
A measure of length (about the width of a fingernail). Use this word when showing your method, then check your final answer is reasonable.
3. Spot and fix this common maths mistake.
Mistake: Children may not use cubes accurately, for example leaving gaps between the objects. They may also miscount the cubes. Correction: Encourage children to build a straight line of cubes with no gaps first, then place the object they want to measure along the line of cubes. Encourage them to touch each cube as they count.
More Lessons In This Unit
- Comparing lengths Study Guide
- Estimate and measure length and record results in a table Study Guide
- Estimate length in cm Study Guide
- Measure items using centimetre cubes and record results in a table Study Guide
- Measure length using a ruler Study Guide
- Measure length using objects Study Guide
- Measure length using objects and record results in a table Study Guide
- Solve addition and subtraction problems involving length Study Guide
- Solve problems by measuring different lengths in cm using a ruler Study Guide
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