New
New
Year 5

Identify tenths as part of a whole

I can identify tenths as part of a whole.

New
New
Year 5

Identify tenths as part of a whole

I can identify tenths as part of a whole.

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Lesson details

Key learning points

  1. The whole is divided into ten equal parts and one of them is one tenth of the whole.
  2. There are ten tenths in one whole.
  3. One whole can be divided into ten tenths.

Common misconception

Pupils think one tenth consists of one shaded part and ten un-shaded parts.

Encourage children to use the stem sentence to identify the whole and how many parts make it up each time.

Keywords

  • Equal - Equal means exactly the same amount or value.

  • Tenth - A tenth is the name we give to one part of ten equal parts.

Focus on providing children with the opportunity to generalise what one tenth is in lots of different contexts. It is important that they see it in area, linear and quantity examples.
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.
Ten hundreds are equivalent to __________
one hundred
Correct answer: one thousand
ten thousand
Q2.
18 tens are equivalent to __________
18
Correct answer: 180
1800
108
Q3.
5,000 + 300 + + 4 = 5,374
An image in a quiz
Correct Answer: 70, seventy, seven tens, 7 tens, 7 10s
Q4.
Look at the circle. The whole has been divided into equal parts.
An image in a quiz
Correct Answer: 10, ten
Q5.
What value would each part of the bar model have?
An image in a quiz
50
25
Correct answer: 20
10
Q6.
Match the letter shown on the number line to the correct number it represents.
An image in a quiz
Correct Answer:a,100

100

Correct Answer:b,400

400

Correct Answer:c,500

500

Correct Answer:d,800

800

6 Questions

Q1.
To divide a whole equally, each part should
Correct answer: have exactly the same amount or value.
be shared between people.
be different in size and amount.
Q2.
A whole has been divided into ten equal parts. Each part is one
Correct Answer: tenth, 10th
Q3.
Look at the image. This is not one tenth because...
An image in a quiz
there should be ten unshaded parts and one shaded part to show one tenth.
Correct answer: the parts are not all equal.
the shaded tenth is in the middle.
Q4.
Which picture represents one tenth?
Correct Answer: An image in a quiz
An image in a quiz
An image in a quiz
An image in a quiz
Q5.
Look at the pictures. Match the correct value to each letter.
An image in a quiz
Correct Answer:four tenths,a

a

Correct Answer:six tenths,b

b

Correct Answer:one whole,c

c

Correct Answer:nine tenths,d

d

Q6.
Tick all the pictures that could represent two tenths.
An image in a quiz
Correct Answer: An image in a quiz
An image in a quiz
Correct Answer: An image in a quiz
An image in a quiz
Correct Answer: An image in a quiz
An image in a quiz