Summary
Explains what decimal numbers are, how to read them, and how they connect to fractions and the number line. Introduces tenths and hundredths.
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Teaching resources
Discussion questions
Talk about it
A decimal is another way to write a fraction of a whole. The places after the dot are tenths, hundredths, and smaller.
- What fraction is the same as 0.5?
- What place is the 7 in the number 3.7?
- How would you say 0.25 out loud?
Quick work-a-long
Vocabulary: decimal, tenths, hundredths, point.
Try it: Write 0.3 as a fraction. Then place 0.3 and 0.7 on a number line from 0 to 1.