Year 2 - Maths
Calculate the number of equal groups in a division story
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 calculate the number of equal groups in a division story.
Key Notes
- Skip counting can be used to calculate the number of equal groups in a division story.
- We say 50 divided into groups of 10 is equal to 5
- We can write 50 ÷ 10 = 5
Vocabulary To Learn
- Division: Division means splitting into equal parts or groups.
- Equation: An equation is used to show that one number or calculation is equal to another.
Common Mistakes To Avoid
- Pupils may be confuse the 'size of group' and the 'number of groups' in a division equation.
3 Quick Questions (With Answers)
1. Solve this in steps: explain the method from this lesson and why each step matters.
Skip counting can be used to calculate the number of equal groups in a division story. We say 50 divided into groups of 10 is equal to 5.
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 be confuse the 'size of group' and the 'number of groups' in a division equation. Correction: Label each part of a division equation e.g. 12 divided into groups of 2 is equal to 6 There are 12 __________ altogether. They have been divided into groups of 2 / there are 2 __________ in each group. There are 6 groups of __________.
More Lessons In This Unit
- Explain that objects can be grouped equally Study Guide
- Explain that objects can be shared equally Study Guide
- Explain the relationship between division expressions and division stories 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
Browse all guides in the Year 2 Maths guide library.