Year 2 - Maths
Explain how times table facts can help to find the quotient (2 times table)
Doubling, halving, quotative and partitive division
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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 double and halve 2-digit numbers. They will explore division as both grouping and sharing and learn to use times table facts to find the quotient for 2x 5x 10x tables.
Lesson Summary
You will learn to explain how 2 times table facts can help to find the number of groups or the number in each group.
Key Notes
- When we are dividing by 2, you can use the 2 times table to find the number of groups or the number in each group.
- 3 twos are equal to 6, so 6 divided into groups of 2 is equal to 3
- 3 twos are equal to 6, so 6 divided into 2 groups is equal to 3 in each group.
Vocabulary To Learn
- Divisor: The divisor is what we are dividing by.
- Divide: To split into equal parts or groups.
Common Mistakes To Avoid
- Children misunderstanding the difference between partitive and quotative division when discussing the problems.
3 Quick Questions (With Answers)
1. Solve this in steps: explain the method from this lesson and why each step matters.
When we are dividing by 2, you can use the 2 times table to find the number of groups or the number in each group. 3 twos are equal to 6, so 6 divided into groups of 2 is equal to 3.
2. Use this key word in a maths sentence and explain it clearly. 'Divisor'
The divisor is what we are dividing by. Use this word when showing your method, then check your final answer is reasonable.
3. Spot and fix this common maths mistake.
Mistake: Children misunderstanding the difference between partitive and quotative division when discussing the problems. Correction: Although they will result in the correct answers, the calculation itself will not accurately reflect the problem. Ensure children initially describe each problem and represent it visually so that they can see whether they are grouping or sharing.
More Lessons In This Unit
- Explain each part of a division equation and know how they can be interchanged Study Guide
- Explain how a dividend of zero affects the quotient Study Guide
- Explain how a division equation with 2 as a divisor is related to halving Study Guide
- Explain how a divisor of one affects the quotient Study Guide
- Explain how the quotient is affected when the divisor is equal to the dividend Study Guide
- Explain how times table facts can help to find the quotient (10 times table) Study Guide
- Explain how times table facts can help to find the quotient (5 times table) Study Guide
- Explain patterns and relationships between the 5 and 10 times tables Study Guide
- Identify the patterns and relationships between the 5 and 10 times tables Study Guide
- Use knowledge of divisibility rules when the divisor is 10 to solve problems Study Guide
- Use knowledge of divisibility rules when the divisor is 2 to solve problems Study Guide
- Use knowledge of divisibility rules when the divisor is 5 to solve problems Study Guide
- Use knowledge of division strategies to solve problems Study Guide
- Use knowledge of the 5 and 10 times tables to solve problems Study Guide
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