Rational numbers - practice problems - page 7 of 20
Number of problems found: 397
- Brian
Brian divides 80 by 7. Between what two whole numbers is his answer? - A piece
A piece of wire that is 5.8 m long is to be cut into 15 pieces of the same length. What is the length of each piece? - 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? - Tourists 82400
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)? - Chocolate 10401
Hot chocolate costs 80 cents. How much money do you need to buy chocolate every day of the week? - Three pieces
Mel has three pieces of lace measuring 4m, 0.2687 m, and 13.5 m, respectively. How long is the lace if she puts them end to end? - Fruits 2
An apple costs 7p, and a melon costs seven times more. How much will six apples and two melons cost? - Paper collecting
At the paper collecting contest, Franta gathered 2/9 tons, Karel 1/4 tons, and Patrick 19/36 tons of paper. Who has gathered the most and the least? - Calculate 5261
Calculate the second summand if you know that one summand is 28.6, and the result of the sum is -100. - Closest natural number
Find the closest natural number to 4.456 to 44.56 and 445.6. - Mailing
Pablo's mailing packages, each small package costs $2.10 to send, and each large package costs him $2.90. How much will it cost him to send one small package and six large packages? - A man 8
A man has 72 sheep. He wants to divide the sheep among his four children in the ratio of 5:3:2:2. How many sheep will each child get? - The elevation
The elevation of a sunken ship is -120 feet. Your elevation is 5/8 of the ship's elevation. What is your elevation? - Angie
Angie poured four cartons of milk, each with 2.4 liters, into a mixing bowl. How many liters of milk were there altogether? - Without 2
Tell whether the product 0.644 x 0.25 will be greater than one or less than 1 without multiplying. Explain how you know. Then, find the product. - Expression 8
Evaluate this expressions: a) 5[3 + 4(2.8 - 3)] b) 5×(8-4)÷4-2 - Copper 83011
Brass is an alloy of copper and zinc in a ratio of 3:2. How much copper and zinc do you need to make 1 kilo of brass? - Sweaters 14
A store buys 14 sweaters for 84$ and sells them for 504$. How much profit does the store make per sweater? - 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? - Thermometer 48543
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?
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