Year 2 - Maths
Use knowledge of skip counting and division to solve problems relating to measure
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 skip counting to solve division problems relating to measure.
Key Notes
- Skip counting can be used to calculate the number of equal groups in a division story.
- You can use skip counting to work out the number of shorter lengths that are equal to a longer length.
- 50 cm divided into groups of 10 cm lengths is equal to 5; 50 cm ÷ 10 cm = 5
- There are 5 groups of 10 cm lengths in 50 cm.
Vocabulary To Learn
- Division: Division means splitting into equal parts or groups.
Common Mistakes To Avoid
- Pupils may assume that any number is equal to an exact number of number rods.
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. You can use skip counting to work out the number of shorter lengths that are equal to a longer length.
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 assume that any number is equal to an exact number of number rods. Correction: There is a focus on multiples of numbers, especially multiples of 2, 5 and 10 in the lesson, but there is an example of a division calculation with a remainder in the first cycle to help pupils become familiar with this concept.
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
- 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 skip counting to solve a sharing problem Study Guide
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