Year 2 - Maths
Use knowledge of the 2, 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 2, 5 and 10 times tables to solve problems.
Key Notes
- Numbers in the 10 times table are also in the 2 and 5 times tables.
- Multiples of 2 are all even numbers.
- Multiples of 10 all have a zero in the ones column.
- Multiples of 5 all have a 5 or a 10 in the ones column.
Vocabulary To Learn
- Commutative: Multiplication is commutative. This means the order of the factors can be changed without changing the calculation or product.
Common Mistakes To Avoid
- Pupils may misunderstand the contexts or language within worded problems and therefore not understand the calculation required to solve.
3 Quick Questions (With Answers)
1. Solve this in steps: explain the method from this lesson and why each step matters.
Numbers in the 10 times table are also in the 2 and 5 times tables. Multiples of 2 are all even numbers.
2. Use this key word in a maths sentence and explain it clearly. 'Commutative'
Multiplication is commutative. This means the order of the factors can be changed without changing the calculation or product. 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 misunderstand the contexts or language within worded problems and therefore not understand the calculation required to solve. Correction: Model clearly how to identify key phrases and words which will identify the operation and equation required for word problems. Pupils may benefit from representing what is known and what is unknown such as by drawing a bar model.
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 in a range of contexts Study Guide
- Use knowledge of the relationships between the 5 and 10 times tables to solve problems Study Guide
Browse all guides in the Year 2 Maths guide library.