Year 1 - Maths
Calculate the total value of the coins in a set of 10p coins
Unitising and coin recognition - value of a set of coins
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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 knowledge of the value of coins and apply their number facts and counting skills to calculate the total value of the coins in a set of 2p 5p 10p coins. 
Lesson Summary
You will learn to skip count in tens to find the value of a set of 10 p coins.
Key Notes
- A ten-spot token can be used to represent one 10 p coin and has the same value as ten pennies.
- The total value of a set of 10 p coins can be found by skip counting in tens.
- Counting backwards can be used to check the set has been counted accurately.
- Skip counting in tens can only be used to count the complete set, if all the coins are 10 p coins.
Vocabulary To Learn
- Ten-pence coins: A ten-pence coin is a unit of money used in the UK. It has the same value as ten one-pence coins.
- 10 p: The value represented by ten one-pence coins or one ten-pence coin.
- Value: Where referring to money, value refers to how much something is worth.
- Tens: Another name for the multiples of ten, or the decade numbers.
Common Mistakes To Avoid
- Children may not fully understand the concept of unitising and may confuse the number of coins with the total value. They may also count sets of coins containing 10 p coins and other coins in tens.
3 Quick Questions (With Answers)
1. Solve this in steps: explain the method from this lesson and why each step matters.
A ten-spot token can be used to represent one 10 p coin and has the same value as ten pennies. The total value of a set of 10 p coins can be found by skip counting in tens.
2. Use this key word in a maths sentence and explain it clearly. 'Ten-pence coins'
A ten-pence coin is a unit of money used in the UK. It has the same value as ten one-pence coins. 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 not fully understand the concept of unitising and may confuse the number of coins with the total value. They may also count sets of coins containing 10 p coins and other coins in tens. Correction: Use pre-money tokens with ten spots alongside 10 p coins to start with to deepen the understanding of one coin representing a value of 1. Discuss deliberate errors, articulating thinking around why these cannot be correct.
More Lessons In This Unit
- Calculate amounts up to 20 p Study Guide
- Calculate the total value of a set of 2 p coins Study Guide
- Calculate the total value of the coins in a set of 5 p coins Study Guide
- Compare sets of 2 p, 5 p, and 10 p coins Study Guide
- Find and make amounts within 10p Study Guide
- Find and make amounts within 20 p Study Guide
- Find how many 2 p coins are needed to make a given value Study Guide
- Find how many five pence coins are needed to make a given amount Study Guide
- Find how many ten pence coins are needed to make a given amount Study Guide
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