Year 2 - Maths
Explain the relationship between division expressions and division stories
Introduction to division structures
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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 practical resources to model and explain when objects can and cannot be grouped or shared equally. They will then represent practical situations using division expressions and equations.
Lesson Summary
You will learn to use a division story to write a division expression.
Key Notes
- Dividing into equal groups can be recorded as a division expression.
- 8 divided into groups of 2 can be recorded as 8 ÷ 2
- The whole can be divided by the number of objects in each group.
Vocabulary To Learn
- Division: Division means splitting into equal parts or groups.
- Expression: An expression is a group of numbers and symbols without an equals sign.
Common Mistakes To Avoid
- Pupils may confuse the size of each group with the number of groups when reading and understanding an expression.
3 Quick Questions (With Answers)
1. Solve this in steps: explain the method from this lesson and why each step matters.
Dividing into equal groups can be recorded as a division expression. 8 divided into groups of 2 can be recorded as 8 ÷ 2.
2. Use this key word in a maths sentence and explain it clearly. 'Division'
Division means splitting into equal parts or groups. 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 confuse the size of each group with the number of groups when reading and understanding an expression. Correction: Focus on the whole and dividing this into groups of a certain size, modelling this with visual representations, without discussing the number of groups at this point.
More Lessons In This Unit
- Calculate the number of equal groups in a division story Study Guide
- Explain that objects can be grouped equally Study Guide
- Explain that objects can be shared equally Study Guide
- Identify and explain when objects cannot be grouped equally Study Guide
- Skip count to find the group size in a sharing problem Study Guide
- Skip count using the group size to find the number of groups Study Guide
- Solve a variety of division problems, explaining understanding Study Guide
- Use knowledge of skip counting and division to solve problems relating to measure Study Guide
- Use skip counting to solve a sharing problem Study Guide
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