![](https://d1e4pidl3fu268.cloudfront.net/13269ba9-ee6c-4759-a235-db6a394e6db3/Year4DecimalstenthsonaplacevaluechartFoundationreasoning.crop_720x541_0,210.preview.jpg)
In this foundation reasoning worksheet, children explore the smallest and the greatest decimal numbers. They can use the number cards and the place value chart to solve the question.
Children recognise and write decimal equivalents of any number of tenths.
It is important that they understand that 10 tenths are equivalent to 1 whole, and therefore 1 whole is equivalent to 10 tenths. Use this knowledge when counting both forwards and backwards in tenths. When counting forwards, you should be aware that 1 comes after 0.9, and when counting backwards that 0.9 comes after 1. Links can be made to the equivalence of 10 ones and 1 ten to support understanding.
You might like to use these supporting sentences to extend their learning:
There are _____tenths in 1 whole.
1 whole is equivalent to _____ tenths.
There is/are _________ whole/wholes and ____ tenths
The number is _____.
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Year 4 Reasoning
These are year 4 reasoning activities.
Reasoning
These are reasoning activities with well differentiated tasks.
Decimals
Model making, drawing and writing decimal numbers, showing that the decimal point is used to separate whole numbers from decimals. Children look at a variety of representations of tenths as decimals, up to the value of 1 whole. This leads to adding the tenths column to a place value chart for children to see how tenths fit with the rest of the number system and to understand the need for the decimal point. Children may forget to include the decimal point. If the number of tenths reaches 10, children may call this “zero point ten” and write 0.10 rather than exchanging for 1 one. Children may confuse the words “tens” and “tenths”. Questions to help with understaning the topic: If a whole is divided into 10 equal parts, what is the value of each part? How can you represent the decimal How are decimals like fractions? using a model? How can you convert between tenths as fractions and tenths as decimals? How is 1/10 like 0.1? How is it different?
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