Rational numbers - practice problems - page 2 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: 388
- Round 19
Round 644.4 to the nearest one. - How many 22
How many decimal places would the product of 2.79 and 0.0043 have? - Numbers: 81048
Compare the numbers: 0.327 and 0.0895 (which is bigger and which is smaller?) - Difference 63924
Three times the difference between 1.2 and 0.2 - Same distance
What decimal is the same distance from 7.1 and 7.4? - Whole part
35/16 = 2.1875. What is the whole number of this decimal? - 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.
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