Rational numbers - practice problems - page 6 of 20
Number of problems found: 399
- Closest natural number
Find the closest natural number to 4.456 to 44.56 and 445.6. - Number difference
Calculate the difference between the sum of the numbers 1.04 and 0.56 and the product of the numbers opposite to them. - Expression calculations
Calculate: a) 23 - [2.6 + (6 - 9) - 4.52] b] 12.25 + 2 [2.7 - (-0.5 + 0.3 * 0.6)] - Temperature rise fall
In the morning, the thermometer showed -7 °C. The temperature rose by 4 °C, then rose again by 9 °C, fell by 2 °C, rose by 3 °C, fell by 6 °C, and finally fell again by 5 °C. What is the final temperature? - Apple Price per Kilogram
How much did 1 kg of apples cost when my mother paid CZK 30 for 1.5 kg? - The enrolment
The enrolment for this school year is 2,340. If 1/6 are grade 8 and 1/4 are grade 10, how many are grade 7 or 9? - Fruits 2
An apple costs 7p, and a melon costs seven times more. How much will six apples and two melons cost? - Without 2
Tell whether the product 0.644 x 0.25 will be greater than one or less than 1 without multiplying. Explain how you know. Then, find the product. - Package
The package was 23 meters of textile. On the first day, it sold 12.3 meters. How many meters of textile remained in the package? - Wire
From wire 141 meters long, they cut 55.1 meters and then 30.6 meters. How many meters of wire are left? - Parcel service
A parcel from the U.S. to Slovakia costs 5.2 €, and a parcel from Slovakia to the U.S. costs 44 €. Calculate how many times Slovak Post is more expensive than the U.S. parcel service. - Peter debt increase
Peter increased his debt by 2.10 euros by 1.2 euros. How big is his debt now? - Tourist route longest
On the first day, tourists covered 3/14 of the planned route, on the second day 1/3 of the route, and on the third day 8/21 of the route. On which day did they walk the longest part of the route (1,2,3)? - The length 6
The length of 12 pipes is 10 1/2 meters. (1) find the length of one pipe (2) also find the length of 7 pipes - Suriani
Suriani had 3.05 m of ribbon. She used up 0.76 m of it. What is the length of ribbon that she has left? - Double 5
Peter was thinking of a number. Peter doubles it and gets an answer of 8.6. What was the original number? - Finding Second Summand
Calculate the second summand if you know that one summand is 28.6, and the result of the sum is -100. - Apple purchase
How many kilograms of apples would you buy for 300 euros if the kilo costs 0.90 euros? - Fraction order
Arrange fractions in ascending order: 7/9, 5/6, 2/3, 11/12, 3/4; Write the resulting order as a 5-digit number, digit = order. - The product 5
The product of two numbers is 250. One factor is 1/10 of 250. What is the second factor? What is the reciprocal of 1/10 of 250?
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