Rational numbers - practice problems - page 4 of 20
a rational number is a number that can be expressed as the fraction p/qof two integers, a numerator p and a non-zero positive denominator q. The decimal expansion of a rational number either terminates after a finite number of digits (example: 1/2 = 0.5), or eventually begins to repeat the same finite sequence of digits over and over - example 1/3 = 0.33333....
Number of problems found: 389
- Bottles
The weight of 17 bottles is 91.7 kg. What is the weight of 1 bottle? - Whole numbers
Pavol wrote down a number that is both rational and a whole number. What is one possible number she could have written down? - Ratio - proportion
Reduce the number 16 in proportion 3:2 5:4 11:8 - Compare
Compare fractions (34)/(3) and (12)/(4). Which fraction of the lower?
- Quarter 7438
How many times is a quarter of an eighth smaller than a third of a sixth? - Resulting 5260
Calculate the second factor if one factor is .0.8 and the resulting product is 8 - Sum of 25
The Sum of two rational numbers is -2/3. If one of the numbers is 4/5, find the other. - The cost 6
The cost of 1 liter of milk is rs 0.68. Find the cost of 7 liters of milk. - Dinesh
Dinesh ate three cookies, each with a mass of 1.45 g. What was the total mass of the cookies that he ate?
- What is one third
What is 1/3 as a decimal? Give your answer rounded to 2 decimal places. - Rolls
Mom bought 13 rolls. Dad ate 3.5 rolls. How many rolls were left when Peter ate two at dinner? - Division
Divide by the number 0.2 is the same as multiplying by what number? - Ten-hundredths 68444
Calculate how many times ten-hundredths are less than five-tenths. - Ten-thousandths 67844
Calculate how many times six-hundredths is greater than 12 ten-thousandths.
- The cashier
Marissa bought a dress worth 1966.99. Suppose she gave 2000.00 to the cashier. How much is she changed? - Naturally 7826
The ratio of two natural numbers is 2: 3. The smaller number naturally is 12. What is the product of these numbers? - Which 8
Which among the following real numbers below is the least? A. 5/8 B. 0.75 C. 7/10 D. 35/99 - Write 4
Write each ratio as a fraction of whole numbers: a 4.8 to 11.2 6) 2.7 to 0.54 - Bubble bee marbles
Mark has 100 marbles. Seventeen are bubble bee marbles. What decimal number shows the fraction of marbles that are bumblebees?
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