What is it?
Is the following an integer? Rational? Neither? Both?
4
|-2.5+7.8|
|-2.5+(-7.8)|
5.3
10.3
(3/4)+(2/5)
23/20
1 3/20
1.34+3 3/4
5.09
Is the following an integer? Rational? Neither? Both?
7/3
|-3-7|
|-3-(-7)|
10
5
(3/4)-(2/5)
7/20
(2.5)(3 4/9)
155/16
9.6875
Is the following an integer? Rational? Neither? Both?
3.4567456745674567...
Rational: the decimal repeats
In the first round of a card game, Niki scored 25 points. Then she lost 15 points on one turn and an additional 30 points on her final turn. What is Niki's final score?
-20 points
(3/4)(2/5)
6/20
3/10
Five out of Eight dogs weigh less than 20 pounds. What is the decimal equivalent for the ratio of dogs weighing under 20 ponds?
0.625
Andy is scuba diving. He starts at sea level and then descends 6 feet in 1 1/4 minutes (1.25 minutes).
How would you represent Andy's descent as a unit rate?
-24/5
-4.8
Is the following an integer? Rational? Neither? Both?
2.12112111211112111112...
Neither: the decimal does not repeat nor ends
(-5)(8)
(-5)(-8)
(-5)(-8)(-4)
-40
40
-160
(3/4)\div(2/5)
15/8
A marathon is 20.4 miles long. There is a water station ever 1 3/10 miles along the race route. Write an expression to represent the total number of water stations?
20.4\div 1 3/10
Andy is scuba diving. He starts at sea level and then descends at a rate of 1.3 feet per minute. Where will Andy be in relation to sea level after 5 minutes?
-6.5 Feet
Is the following an integer? Rational? Neither? Both?
3.1415
Rational: The decimal terminates
A catering company loses $255 as a result of a delay. The 5 owners of the company must share the loss equally. Which integer represents the change in profit for each owner?
-$51
{3/4}/{2/6}
18/8
9/4
A scientist builds a Mars rover that can travel 3.8 centimeters per second on flat ground. If the rover continues at the same rate, how many centimeters will it travel in 12 1/2 seconds (twelve and one halve seconds)? Write your answer as a decimal.
950/20
47 1/2
47.5