7.03 Decimals on a number line
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Do you remember how to place fractions with a denominator of $10$10 on a number line? Let's try this problem to practice.
Plot $\frac{5}{10}$510 on the number line.
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When we divide $1$1 whole unit into $10$10 equal pieces, it is broken into $10$10 tenths, as shown below. We can use this to plot decimals on a number line.
This video looks at how to plot and read tenths on a number line.
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Question 1
Plot $0.2$0.2 on the number line.
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When we divide $1$1 unit into $100$100 equal pieces we end up with hundredths. We can also get the size of $1$1 hundredth by dividing $1$1 tenth up into $10$10 equal pieces, as shown below.
This video looks at how to plot and read hundredths off a number line.
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Question 2
What decimal value is shown on the following number line?
$10$10 tenths make $1$1 whole unit.
$10$10 hundredths make $1$1 tenth.