Rational numbers - practice problems - page 8 of 20
Number of problems found: 399
- Jansen
Jansen had 1.3 liters of fruit juice. He drank 0.5 liters during lunch. How many liters of fruit juice does he have left? - Marble bag
A marble bag sold by Rachel's Marble Company contains five orange marbles for every six green marbles. How many green marbles does it contain if a bag has 35 orange marbles? - School trip
School trip cost 247.2 Eur for one class (24 students). How much would a trip cost for two classes? (both classes together have 53 students) - Calculate expr
Calculate the example with decimal numbers: -5 + (- 14 + 11) • [24-2 • (-0,4)] - {- 28-41 • [-8 • 2 + 4 • 1 • (0,1-2,4)] + 1} = - Two Numbers Product Ratio
The ratio of two natural numbers is 2:3. The smaller number naturally is 12. What is the product of these numbers? - Wood into pieces
Gwen has a piece of wood that is 8.25 feet in length. Gwen needs to cut pieces that are 0.75 feet in length. How many pieces can Gwen cut from the original piece of wood? - Overnight change
It was 13°C yesterday, but the temperature changed by -18.6° overnight. What is the temperature now? - Sweaters 14
A store buys 14 sweaters for 84$ and sells them for 504$. How much profit does the store make per sweater? - Peter 4
Peter has a salary of 45,55 pesos per hour on a regular day and 2,5 times of regular rate over time. He worked 8 hours per regular day and 4 hours of overtime. Find the total amount of payments received. - Chose
Chose Juan bought three pieces of watermelon. If the three watermelons weigh 2.2103 kilograms, 3.0214 kilograms, and 2.6682 kilograms, how many kilograms of watermelons did Chose Juan buy? - Boys and girls
If the ratio of male and female teachers is 2/5 and the proportion of male and female students is the same, how many are girls if there are 42 boys? - Zhiwei Zhiwei wants to divide 19 liters of water equally into six pots. Find the volume of water in each pot.
- Jagdeep
Jagdeep had a strip of paper measuring 1.8 m. He cut it into four equal strips. How long is each shorter strip of paper? - Angie
Angie poured four cartons of milk, each with 2.4 liters, into a mixing bowl. How many liters of milk were there altogether? - Milk
Mum bought 16 cartons of milk. One carton of milk weighs 0.925 kg. How much weight are all purchases? - Wood
Wood cube with edge 9 cm weights 0.593 kg. What weight have 10, 100, and 1000 these cubes? - Mountain temperature difference
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? - Bar equal parts
The 10m long bar comprises 4, 8, 3, and 6 equal parts. Express the length of one piece as a decimal number. - Temperature measurement
In the evening, Zuzana measured the air temperature at -2.4 °C. In the morning, she measured the temperature three times lower. What temperature did Zuzana measure in the morning? - Brass copper zinc
Brass is an alloy of copper and zinc in a ratio of 3:2. How much copper and zinc do you need to make 1 kilo of brass?
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