Describe and write decimal numbers with tenths in different ways | Maths

Starter quiz

Write zero point seven as a decimal number.
- '0.7' ✓
What number is missing from the sequence below?
- '0.6' ✓
Write, in words, one other way that 0.2 could be represented.
- 'zero point two' ✓
Which description of these number blocks is incorrect?
- fifteen tenths
- one point five
- zero point fifteen ✓
- one whole and five tenths
Write, as a decimal number, what this Gattegno chart represents.
- '1.8' ✓
Look at the numberline and complete the sentence. The arrow is pointing to ______ tenths.
- '18' ✓

Which descriptions match the picture?
- six tenths ✓
- zero point six ✓
- 6.0
- six tens
Look at the image and complete the sentence. Each part in the whole represents ______.
- 'one tenth' ✓
Fill in the missing decimal number.
- '7.7' ✓
What number is the arrow pointing to? Give your answer as a decimal.
- '1.1' ✓
Write the following mixed number as a decimal number.
- '2.1' ✓
Which number represents 263.6 as a fraction?

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Pupils write whole numbers as tenths incorrectly, for example as eight tenths not eighty tenths.

Reiterate that ten tenths are equal to one whole so twenty tenths are equal to two wholes. Continue this to build generalisation.

Tenth - A tenth is the name you give to one part of ten equal parts.
Decimal number - A decimal number has a decimal point followed by digits that show the fractional part.
Fraction - A fraction shows us how many equal parts in a whole.
Mixed number - A number which combines both a whole number and a fraction is known as a mixed number.