New
New
Year 5

Count tenths in different ways

I can count tenths in different ways.

New
New
Year 5

Count tenths in different ways

I can count tenths in different ways.

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Lesson details

Key learning points

  1. Tenths can be counted and represented with place value resources.
  2. Tenths can be counted and represented as decimals on a number line.
  3. Tenths can be counted and represented as fractions on a number line.

Keywords

  • Decimal number - A decimal number has a decimal point followed by digits that show the fractional part.

  • Decimal point - A decimal point is a small dot used in a number to separate the whole number from the fractional part.

Common misconception

Recording ten tenths as 0.10 rather than 1 or 1.0

Be sure to address this regularly with pupils whilst counting. Demonstrate the regrouping using place value counters to help.

Spending time counting is really important. Counting in multiple ways (dual counting) will help pupils to make connections between numbers in both their decimal or fractional form.
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).

Lesson video

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6 Questions

Q1.
The dot that sits on a place value chart between the whole numbers and tenths is called __________.
a decimal
Correct answer: a decimal point
a dividing point
Q2.
One tenth the size of one is __________.
An image in a quiz
zero
Correct answer: one tenth
one ten
one hundred
Q3.
Look at the number. What does the six represent?
An image in a quiz
Correct answer: 6 tenths
6 ones
6 tens
6 decimals
Q4.
Write seven tenths as a decimal number.
Correct Answer: 0.7, zero point seven, nought point seven, point seven
Q5.
Ten tenths are equivalent to .
Correct Answer: one, one whole, one one, a whole, a one
Q6.
Match the pictures to the correct value.
An image in a quiz
Correct Answer:A,0.4

0.4

Correct Answer:B,0.1

0.1

Correct Answer:C,0.9

0.9

Correct Answer:D,0.6

0.6

6 Questions

Q1.
Write zero point four as a decimal number.
Correct Answer: 0.4
Q2.
Look at the number line. What number is missing?
An image in a quiz
Correct Answer: 0.8, zero point eight, point eight
Q3.
Write, in words, one other way that 0.7 could be represented.
Correct Answer: zero point seven, zero wholes and seven tenths, zero ones and seven tenths, seven tenths
Q4.
Which description of the image is incorrect?
An image in a quiz
sixteen tenths
one point six
one whole and six tenths
Correct answer: zero point sixteen
Q5.
Write, as a decimal number, what this Gattegno chart represents.
An image in a quiz
Correct Answer: 1.7
Q6.
The arrow is pointing to tenths.
An image in a quiz
Correct Answer: 13, 13 tenths, thirteen, thirteen tenths