Understanding Decimals Quiz

Grade 4 · Math · Quiz

Test your knowledge of decimal place value, comparing decimals, and connecting decimals to fractions.

Questions

1. What is the value of the digit 7 in the number 3.75?

   1. 7 ones
   2. 7 tenths
   3. 7 hundredths
   4. 7 thousandths
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   Answer: 7 tenths

   In 3.75, the digit 7 is one place to the right of the decimal point, which is the tenths place. So 7 means 7 tenths, or 0.7.

2. Which decimal is equivalent to the fraction 1/4?

   1. 0.14
   2. 0.40
   3. 0.25
   4. 0.50
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   Answer: 0.25

   1/4 means 1 divided by 4. 1 ÷ 4 = 0.25. You can also think of it as 25 cents, which is a quarter of a dollar.

3. The decimal 0.6 is greater than 0.59.

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   Answer: True

   0.6 = 6 tenths and 0.59 = 59 hundredths. Since 60 hundredths is more than 59 hundredths, 0.6 > 0.59.

4. What is 0.3 + 0.5?

   1. 0.35
   2. 0.8
   3. 0.08
   4. 8.0
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   Answer: 0.8

   0.3 + 0.5 = 0.8. Adding tenths: 3 tenths + 5 tenths = 8 tenths = 0.8.

5. The digit to the right of the decimal point is in the ___ place.

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   Answer: tenths

   Place values to the right of the decimal point are tenths, hundredths, thousandths — tenths comes first.

6. Which number is in the hundredths place in 4.62?

   1. 4
   2. 6
   3. 2
   4. 46
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   Answer: 2

   In 4.62, the 4 is in the ones place, 6 is in the tenths place, and 2 is in the hundredths place.

7. Which list shows decimals in order from least to greatest?

   1. 0.9, 0.5, 0.1
   2. 0.1, 0.9, 0.5
   3. 0.1, 0.5, 0.9
   4. 0.5, 0.1, 0.9
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   Answer: 0.1, 0.5, 0.9

   Least to greatest means smallest to largest: 0.1, 0.5, 0.9.

8. The decimal 1.0 is equal to the whole number 1.

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   Answer: True

   1.0 and 1 are the same value. The decimal point followed by a zero doesn't change the amount.

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