Comparing/ Ordering Rational Numbers
Order from least to greatest: 5, -2, -5, 2
-5, -2, 2, 5
Compare the following two temperatures -6 degrees and -5 degrees.
(use the words warmer or colder)
5 degrees is warmer than -6 degrees
or
-6 degrees is colder than 5 degrees
An integer that represents "56 meters below sea level"
-56
Steve and his family took a vacation to the Netherlands. They began their trip in Amsterdam, a city at an elevation of -2 meters. Then they traveled to Flevoland, a city at an elevation of -4 meters.
Which city is at a lower elevation?
Flevoland, because -4 is less than -2
Emily and Sean had a contest to see who could hold a handstand the longest. Emily could hold a handstand for 12.5 seconds, and Sean could hold a handstand for 12 3/5 seconds.
Who could hold a handstand longer?
Sean can hold a handstand longer (12.6 seconds > 12.5 seconds).
An integer to represent "a deposit of fifty dollars."
50
Hannah and her friends had a chocolate chip cookie bake-off. They got some parents and friends to be judges, and the judges rated each girl's cookies on a scale of 1 to 10. Then each girl calculated her cookies' average score. Who made the cookie with the highest average score?
Hannah: 8.75
Malia: 8 1/6
Lauren: 8.5
Kylie: 8 2/3
Hannah had the highest average cookie score.
The area of a rectangle is 15.6 square inches. The area of a parallelogram is 15 3/4 square inches.
Which shape has a greater area?
The parallelogram has a greater area because 15.75 > 15.6
I recieved a credit of $200
200
The sixth graders at Palm Valley School just finished a chemistry unit in science. Because it was a new unit, the teacher asked the students to rate it on a scale from 1 to 10 based on how much they felt they learned.
1st Period: 8.4
2nd Period: 8.8
3rd Period: 8.6
4th Period: 8.3
How many classes rated the unit higher than 8 1/2?
2 classes ranked the unit higher than 8 1/2
(periods 2 & 3)
Write an inequality statement for the following numbers: -2/5 and -0.75
-0.75 < -2/5
or
-2/5 > -0.75
A worm starts at zero. He sees a human and crawls in a hole. He reappears 6 holes away from zero. What are his possible locations?
6 and -6
Mr. Wagner was talking to his math class about growth rates and how quickly humans double their weight as babies. As an example, he asked if any of the students knew what they weighed as a newborn. Darren said he weighed 8.25 pounds, Joel said he weighed 8 3/4 pounds, and Rebecca said she was 8 3/8 pounds at birth.
Put the students in order from lightest to heaviest weight at birth.
Darren (8.25), Rebecca (8.375), Joel (8.75)
Put these rational numbers in order from least to greatest? 8, -2.65, 0, -1/4, 0.50, 2/3
-2.65, -1/4, 0, 0.50, 2/3, 8
A photographer dove into the Caribbean Sea to take pictures of fish for Life Under Water magazine. She found a Queen Angelfish at an elevation of -41 feet and a Great Barracuda at an elevation of -44.5 feet.
Which fish did the photographer find at a higher elevation?
Queen Angelfish because -41 is closer to zero, making it higher in the water.
30 feet below sea level
-30
Tori and some friends had a snowman-building contest. Each friend built a snowman at the park and measured its height. The height of each friend's snowman is listed below:
Tori: 4.25
Candice: 4 2/3
Quinn: 4 5/12
Sadie: 4.75
How many friends built a snowman shorter than 4 1/2 feet?
2 friends built snowmen shorter than 4 1/2 feet
(Tori and Quinn)