Rational Number Operations
Solve
83 3/4 - 34 1/2
-49.25 feet
k = _____
y/x
Alex reads 120 pages in 60 minutes. How any pages will he read in 1 minute?
2 pages
Round 12.2 to the nearest whole number.
12
Tony, Bill and Amanda are racing their cars. Tony is 12 1/2 miles behind Bill. Amanda is 26 ¾ miles ahead of Tony. What is Amanda position compared to Bill?
14 1/4 miles ahead of Bill
If I had 2 pens for every 3 pencils. How many pens would I have if I had 60 pencils?
40 pens
Sam eats 48 takis in 12 minutes. How any takes will he eat in 1 minute?
4
Round 14.6 to the nearest whole number
15
Ana, Jessie and Shay are climbing a mountain. Ana is 52 ½ feet below Jessie. Shay is 76 ¾ feet above Ana. What is Shays position compared to Jessie?
24 1/4 feet above Jessie
A game warden tags 10 deer and lets them go. A month later he catches 6 deer. 2 of them have tags. Estimate how many deer are in this region.
about 30 deer
A car travels 600 miles in 5 hours. What is the unit rate in minutes?
(Remember 60 minutes = 1 hour)
2 miles per minute
Cindy was playing an online game and earned the following points for each round. Using the table below, find the missing points earned for Round 3.
ROUNDS POINTS
Round 1 -250
Round 2 35
Round 3
Total -500
-285
Juan's is scuba diving at a position 34.15 feet BELOW sea level. His position changes -0.4 each minute for 20 minutes. What us Juan's position compared to sea level after 20 minutes?
-42.15
A map scale is 1 inch to 100 miles If I go 3.5 inches on the map, How many miles did I go?
350 miles
Hurricane Justin dropped a large amount of rain in New Orleans, with totals around 7.5 feet of rain in a 6-hour period. What unit rate represents the amount of rain dropped in inches per hour?
(Remember 12 inches= 1 foot)
5/9
Brian was playing a game with his friends and earned the following points for each round. Using the table below, find the missing points earned for Round 2.
ROUNDS POINTS
Round 1 -134
Round 2
Round 3 53
Total -423
-342
Justin is scuba diving at a position 64.12 feet ABOVE sea level. His position changes -0.62 each minute for 12 minutes. What us Justin's position compared to sea level after 12 minutes?
56.68
It takes Sophia 25 minutes to finish her 5 1/2 math problems. Use the table to determine how many minutes it would take Sophia to finish the given math problems.
# of Problems 5 9 60
Amount of time 25 45
(in minutes)
300 minutes
It takes Nick 15 minutes to walk 7 ½ blocks to the store. Use the table to determine how many minutes it would take Zack to walk the given number of blocks.
Number of blocks 7 1/2 22 1/2 60
Amount of time 15 45
(in minutes)
120 minutes
Fred is scuba diving. He stops 13.2 meters below the surface to look at fish. Then he swims down 4.6 meters deeper to look at the reef. If he swims up 2.3 meters, which is the best approximation of Fred's position relative to the oceans surface?
-16 meters