New
New
Year 2

Explore combinations of coins that total the same amount

I can recognise and find different combinations of coins that total the same amount.

New
New
Year 2

Explore combinations of coins that total the same amount

I can recognise and find different combinations of coins that total the same amount.

Lesson details

Key learning points

  1. When adding coins, the multiples of tens, then the ones, can be added to find the total amount.
  2. Counting on from the tens can also help to find the total.
  3. Knowledge of skip counting in twos can be used to count 20 p coins.
  4. The tens and ones in the total amount can be partitioned to help when using coins to make a given value .
  5. When the tens and ones digits in the total are the same, we can use the same number fact to find the coins to use.

Common misconception

When children are counting in steps of a given size, e.g. 2 p coins in twos, they may continue to count in twos when the coin changes.

Encourage children to notice the value of the coins they are counting and to check their work using known addition facts.

Keywords

  • Combine - To combine is to put parts together to make a whole.

  • Amount - An amount of something is a quantity of something.

Encourage children to look at the coins they have and to consider how best to arrange them to combine in order to make use of their existing knowledge, such as use of known facts.
Teacher tip

Licence

This content is © Oak National Academy Limited (2024), licensed on Open Government Licence version 3.0 except where otherwise stated. See Oak's terms & conditions (Collection 2).

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6 Questions

Q1.
Which of these shows the coins that could be used to pay for a lolly costing 60 p?
Correct Answer: An image in a quiz
An image in a quiz
An image in a quiz
An image in a quiz
Q2.
Which set of coins shows the most efficient way to make 55 p?
An image in a quiz
An image in a quiz
Correct Answer: An image in a quiz
An image in a quiz
Q3.
What is the total value of this set of coins? p
An image in a quiz
Correct Answer: 75
Q4.
Which of the following can be written to correctly represent two pounds?
£20.0
Correct answer: £2.00
Q5.
Which expression shows the most efficient way to make 80 p?
20 p + 20 p + 20 p + 20 p
Correct answer: 20 p + 50 p + 10 p
20 p + 10 p + 20 p + 10 p + 20 p
Q6.
Sofia has three silver coins. Their total value is 75 p. Which equation could show the coins that she has?
20 p + 50 p + 20 p =
Correct answer: 50 p + 20 p + 5 p =
20 p + 50 p + 10 p =

6 Questions

Q1.
Which set of coins shows a total value of 79 p?
An image in a quiz
Correct Answer: An image in a quiz
An image in a quiz
An image in a quiz
Q2.
What is the value of this set of coins? p
An image in a quiz
Correct Answer: 98
Q3.
Which of the sets of coins show a value of 50 p?
Correct answer: a
Correct answer: b
Correct answer: c
d
Q4.
Match the expressions which represent an equal value.
Correct Answer:20 p + 10 p + 20 p,10 p + 20 p + 20 p

10 p + 20 p + 20 p

Correct Answer:50 p + 5 p + 5 p + 2 p + 1 p,2 p + 1 p + 10 p + 50 p

2 p + 1 p + 10 p + 50 p

Correct Answer:20 p + 20 p + 10 p + 5 p,2 p + 1 p + 2 p + 50 p

2 p + 1 p + 2 p + 50 p

Q5.
Which of the following shows how 65 p could be represented with coins?
30 p + 30 p + 5 p = 65 p
20 p + 40 p + 5 p = 65 p
Correct answer: 50 p + 10 p + 5 p = 65 p
Q6.
Which equation shows the most efficient way to make a value of 96 p?
Correct answer: 50 p + 20 p + 20 p + 5 p + 1 p = 96 p
50 p + 20 p + 20 p + 2 p + 2 p + 2 p = 96 p
20 p + 20 p + 20 p + 20 p + 10 p + 5 p + 1 p = 96 p