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LESSON 4 Hundredths
Exploring Hundredths
Jackie is counting the pennies in her piggy bank to see how many dollars she has. She puts the pennies into piles of 100 since she knows that 100 pennies equals 1 dollar. Jackie knows that 1 penny is one-hundredth of a dollar. You can write the fraction for one-hundredth as a common fraction or as a decimal fraction:
- What does the denominator mean in the fraction
? - What does the numerator mean in the fraction ?
- What do the zeros mean in the decimal fraction 0.01?
In the decimal fraction, the digits mean:
After Jackie finished putting her pennies into piles of 100, she found that she had 28 pennies (28¢) left over. These 28 pennies are a fraction of a dollar. We can write it as a common fraction (
) or a decimal fraction (0.28). We say, “twenty-eight hundredths.”
- Jackie found 14 pennies in the bottom of her desk drawer. What fraction of a dollar does this represent?
- Write this fraction as both a decimal fraction and as a common fraction.