Rational numbers + integers - practice problems
Number of problems found: 18
- 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? - Identify 4
Identify the whole number whose reciprocal has a decimal equivalent between 0.2 and 0.3. Explain. - Calculate 5261
Calculate the second summand if you know that one summand is 28.6, and the result of the sum is -100. - Sum of absolute values
Is it possible for |r| + |s| = |r+s|? If so, when? - 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? - Cooler place
The temperature recorded in Simla is -4°C and in Kufri is -6°C on the same day. Which place is cooler on the day? - Temperature 5268
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? - Brian
Brian divides 80 by 7. Between what two whole numbers is his answer? - 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? - 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? - Suzi starts
Suzi starts her hike at 225 feet below sea level. When she reaches the end of the hike, she is still below sea level at −105 feet. What was the change in elevation from the beginning of Suzi's hike to the end? - The elevator
Hanka took the elevator. She got on the third floor, went down to the basement, went up five stories, went down two floors, up three, up two again, and got out. On which floor did she get off? (Don't forget what the basement is) - The temperature
The temperature at 1:00 was 10°F. Between 1:00 and 2:00, the temperature dropped by 15°F. Between 2:00 and 3:00, the temperature rose by 3°F. What is the temperature at 3:00? - Jeníček 71864
Ondro owes Janek 2 euros. Jeníček owes Maťa 3 euros. and Maťo owes Ondra 1.5 euros. How many euros will they have, more or less, if they pay their debts? - 102—likewise 8205
The number 20 137 is "like" the number 73 102—likewise, the decimal numbers 41.9 and 9.14, or 31.08 and 80.13, like each other. Find two mutually exclusive numbers whose product is 357.435. - Fraction
Fraction frac(0, overline(38))(0,38) write as fraction a/b, a, b is integers numerator/denominator. - Six terms GP
Find the sum of the six terms of the finite geometric sequence 96, -48, 24, -12
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