Year 2 - Maths
Use knowledge of the relationships between the 5 and 10 times tables to solve problems
Representing counting in 5s as the 5 times table and link to the 10 times tables
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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 represent the 5-times table in different ways. They will explain the relationship between adjacent multiples of 5 and how 5- and 10-times tables are related. 
Lesson Summary
You will learn to use knowledge of the relationships between the 5 and 10 times tables to solve problems.
Key Notes
- Five is half of ten.
- Multiples of 5 are half the value of multiples of 10
- Ten is double 5
- Multiples of 10 are double the value of multiples of 5
Vocabulary To Learn
- Double: To become twice as many / to multiply by two.
- Half: One of two equal parts of a whole. / To divide into two equal parts.
Common Mistakes To Avoid
- Pupils may find it difficult to solve problems or misunderstand questions.
3 Quick Questions (With Answers)
1. Solve this in steps: explain the method from this lesson and why each step matters.
Five is half of ten. Multiples of 5 are half the value of multiples of 10.
2. Use this key word in a maths sentence and explain it clearly. 'Double'
To become twice as many / to multiply by two. 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 find it difficult to solve problems or misunderstand questions. Correction: Model clearly how to identify key phrases and words which will identify the operation and equation required for word problems. Support pupils in annotating problems and rephrasing using words such as groups to identify the factors.
More Lessons In This Unit
- Explain how a factor of zero or one affects the product Study Guide
- Explain how a multiplication equation with 2 as a factor is related to doubling Study Guide
- Explain how groups of five and ten are related Study Guide
- Explain the relationship between multiples of five and ten Study Guide
- Explain what each factor represents in a multiplication story Study Guide
- Explain what each factor represents in a multiplication story when one of the factors is one Study Guide
- Represent multiplication equations in different ways Study Guide
- Use knowledge of the 2, 5 and 10 times tables to solve problems Study Guide
- Use knowledge of the 2, 5 and 10 times tables to solve problems in a range of contexts Study Guide
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