New
New
Year 1

# Count efficiently in groups of 5

I can count in groups of five and identify how many groups there are.

New
New
Year 1

# Count efficiently in groups of 5

I can count in groups of five and identify how many groups there are.

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## Lesson details

### Key learning points

1. Objects can be put into groups of 5 to make them easier to count.
2. It is more efficient to skip count in fives instead of ones.
3. Groups of 5 can be called fives.
4. Counting back in fives from a given amount can be used to check that the count was accurate.

### Common misconception

Children may confuse the number of groups with the total, so 3 groups of 5 may be counted as 3 and not 15

Provide opportunities for children to identify both the number of groups as well as the total throughout. Encourage the use of the stem sentences to support their articulation of this.

### Keywords

• Group of 5 - Group of five objects that can be counted in fives.

• Fives - Another name for the multiples of five.

• Altogether - The amount in the whole set or group.

• Accurately - An accurate result means a result that is correct.

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

This lesson progresses from counting items that usually appear in fives to those that are simply grouped in fives. Ensure children have lots of opportunities to continue counting forwards and backwards in fives, between 0 and 50, beyond this lesson.
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).

## Starter quiz

### 6 Questions

Q1.
Fill in the missing number. 30, ___, 40, 45, 50
Q2.
Sam is counting forwards in fives starting from 10 What are the next numbers she will say?
15 20 30
20 30 40
Correct answer: 15 20 25
Q3.
Put these numbers in the order you would count if counting forwards.
1 - 30
2 - 35
3 - 40
4 - 45
Q4.
Jacob is counting backwards in fives on his Gattegno chart. What is the next number he will say?
55
40
Q5.
Put these numbers in the order you would count if counting backwards in fives.
1 - 40
2 - 35
3 - 30
4 - 25
Q6.
The children are counting backwards in fives. Who is correct?
Correct Answer: An image in a quiz

## Exit quiz

### 6 Questions

Q1.
Fill in the missing number. There are ___ fives
Q2.
Fill in the missing number. There are ___ apples altogether.
Q3.
True or false: there are 9 fives.
True
Q4.
Which of the following describes the groups shown in the picture?
There are 6 fives. There are 60 altogether.
Correct answer: There are 6 fives. There are 30 altogether.
There are 3 fives. There are 30 altogether.
Q5.
Sam says that there are 25 slices of pizza, so Jacob counts backwards to check. Which of the following will he say to check he is correct?
25, 30, 35, 40, 45, 50
Correct answer: 25, 20, 15, 10, 5
25, 24, 23, 22, 20
Q6.
True or false. These groups of 5 could also be counted in tens.