Not wasting time or effort. An efficient strategy is one we can carry out easily.

Calculate amounts up to 20 p

Maths

In this unit pupils will use knowledge of the value of coins and calculate the total value of the coins in a set of 2p 5p 10p coins. In the future unit pupils will consolidate their recognition and knowledge about the value of different denominations of coins. They will solve simple problems in a practical context involving addition and subtraction of money of the same unit.

In prior learning, pupils will have had opportunities to use manipulatives to organise counting including using everyday manipulatives, tens frames and through measures. In this unit pupils will use knowledge of the value of coins to calculate the total value of the coins in a set of 2p 5p and 10p coins.

Unitising and coin recognition - value of a set of coins

Sofia represents 12 p on a part-part-whole model. What is the missing part?

What could we say is the most efficient way to add 2 p, 5 p, 10 p and 2 p?

Put coins that are the same size together.

Start with the coin with the greatest value.

Start with the coin with the smallest value.

Jun wants to count the coins as efficiently as possible. What could you tell him to help him?

Which coins show the most efficient way to make 13 p?

Which coins show the most efficient way to make 11 p without using a 10 p coin?

Here is a set of coins. Which totals can be made using only two of these coins? Can you find three different totals?

Which item can Alex buy using only two coins? 

I can make 11 p with one 10 p and one 1 p coin.

I can make 11 p with two 5 p coins and one 1 p coin.

Alex has four coins of the same value. Their total value is 20 p. Which of the following does he have?

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