Rational numbers - practice problems - page 9 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
- Christine
Christine sold four durians weighing 1.3 kg, 1.5 kg, 1.4 kg, and 1.6 kg and earned Php 353.80. How much is a kilogram of durian? - Three pieces
Hana has three pieces of sticks measuring 0.365m, 0.152m, and 0.537, respectively. Is the stick if she puts them end to end? - A dolphin
A dolphin was swimming 17 meters below the surface of the ocean. It located a squid and dove down four more meters to eat it. What is the location of the dolphin now relative to the surface? - Money pocket
Andy had $5.95 in his pocket. His father gave him another $3.55. How much does Andy have altogether now? B. How much would Andy have to deposit to have $200? - Tenths digit
For 10.932, which digit is in the tenth place? - Temperature 71494
The temperature at the foot of the mountain is 17.5 degrees. At its peak, they measured a temperature of -12.7 degrees. What temperature difference will climbers overcome when overcoming the peak? - Following 48483
The river level was 2 cm above normal at the beginning of the month, then it rose by 5 cm, in the following days it fell by 12 cm, then it fell by 9 cm, and finally, it rose by 7 cm. How high was the river level at the end of the month? - According 7038
When students are ranked according to height, Katka is 12th Front and 17th Back. How many children are in the class? - Calculate 34791
Calculate the example with decimal numbers: -5 + (- 14 + 11) • [24-2 • (-0,4)] - {- 28-41 • [-8 • 2 + 4 • 1 • (0,1-2,4)] + 1} = - Dan goes
Dan goes to the bank and deposits $64.35 in cash and two cheques, one for $90.23 and the other for $71.68. What is his total deposit? - Flowers 4
A flower seller has 4.05 kg of orange and 6.50 kg of red flowers. He made flower baskets with 2.11 kg of red and orange flowers. How many baskets did he make? - 1000 bill
A hat costs Php 75.25, and a discounted T-shirt costs Php 750.55. How much change will you receive if you pay for both items with a Php 1,000 bill? - Kilograms 8741
Mom bought 4kg of carrots for 1 euro 30 cents and 3 kilograms of apples for 2 euro 10 cents. How much did she pay for carrots and apples? - Children's 8154
A father bought books for his children's birthdays. Zdenka purchased the book for 24.60, and Milan bought the book 6.70 more expensive. How much did the father pay for both books? - Consumption 7538
A package of one cheese weighs 1.80 kg. From the previous day, 0.80 kg remained. Today I have 0.53 left in the box. What was the consumption of cheese? - The carpenter 2
The carpenter has four pieces of wood that measure 0.4375m, 0.5624m, 0.755m, and 1.001m. How long is the wood if he puts them end to end? - 500 pesos
She has Php 500.00. She spent Php70.00 on her transportation, Php375.50 on her food, and Php45.75 on her school project. How much more was left to her? - Ana bought
Ana bought a bag for Php 350.75 and a blouse worth Php 450.90. How much did she give the cashier if her change was 198.35? - Temperature 6055
At the Štrbské prom, the station measured an air temperature of 12.7°C in the afternoon. By morning, the air temperature had dropped to -5.8°C. How many degrees °C has the air temperature dropped? - Relay-race
Kate ran 170 meters at 29.8 seconds, Suzan at 29.3 seconds, Roza at 34 seconds, and Žofka at 30.4 seconds. How long took to run the 4x170 m relay race?
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