Year 2 - Maths
Skip count using the group size to find the number of groups
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 skip count using the group size to find the number of groups.
Key Notes
- Division means splitting into equal parts or groups.
- Skip counting in the group size 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.
- Multiple: A multiple is the result of multiplying a number by another whole number.
Common Mistakes To Avoid
- Pupils may think that the 'divisor' (the number we are dividing by) always represents the number of groups.
3 Quick Questions (With Answers)
1. Solve this in steps: explain the method from this lesson and why each step matters.
Division means splitting into equal parts or groups. Skip counting in the group size can be used to calculate the number of equal groups in a division story.
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 think that the 'divisor' (the number we are dividing by) always represents the number of groups. Correction: Avoid generalising the divisor as the 'number of group' for every division problem, explaining that this only works in contexts in which grouping takes place. For sharing problems later in the unit, the divisor is the 'size of each group'.
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
- 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
- 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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