Year 2 - Maths
Use knowledge of multiplication to solve problems
Grouping objects in different ways and relating to multiplication
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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 describe how objects are grouped and will represent equal groups as repeated addition and multiplication.
Lesson Summary
You will learn to use knowledge of multiplication to solve problems.
Key Notes
- Identify the group size and the number of groups in the problem.
- If you know the factors you can calculate the product.
- You can skip count in the group size to calculate the product.
Vocabulary To Learn
- Skip count: Counting in steps of equal size. For example, skip counting in twos means to count in equal steps of two.
Common Mistakes To Avoid
- Children may confuse group size and number of groups.
3 Quick Questions (With Answers)
1. Solve this in steps: explain the method from this lesson and why each step matters.
Identify the group size and the number of groups in the problem. If you know the factors you can calculate the product.
2. Use this key word in a maths sentence and explain it clearly. 'Skip count'
Counting in steps of equal size. For example, skip counting in twos means to count in equal steps of two. 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 confuse group size and number of groups. Correction: Clearly model the number of groups by demarcating groups where possible and using familiar stem sentences such as 'There are ___ groups.' Then, move onto identifying the amount of items / objects in each group. 'There are ___ in each group.'.
More Lessons In This Unit
- Describe how objects have been grouped Study Guide
- Explain and represent multiplication when a group contains zero or one items Study Guide
- Explain that objects can be grouped in different ways Study Guide
- Identify and explain each part of a multiplication equation Study Guide
- Represent equal groups as multiplication Study Guide
- Represent equal groups as repeated addition Study Guide
- Represent equal groups as repeated addition and multiplication Study Guide
- Use knowledge of multiplication to calcuate the product Study Guide
- Use knowledge of multiplication to solve problems in a range of contexts Study Guide
Browse all guides in the Year 2 Maths guide library.