OAR Math Knowledge
On a trip you drove 350 miles at an average speed of 60mph. You then returned home
driving at an average speed of 70 mph. How long did it take you to complete the trip? -
answer10.8 hours
time = d/t = 350/60 + 350/50 = 5.8 + 5 +10.8
A website gets 127,750 hits during its first year. How many hits did the website average
each day? - answer350
217750/365 = 350
A car uses 16 gallons of gas to travel 384 miles. How many miles per gallon does the
car get? - answer24
384/16
Mary worked a total of 16 1/2 hours during the 5 days of the past week. What was the
average workday? - answer3 hours 18 mins
16.5/5 = 3.3
If there are 3500 students in a school and 3/7 of them are majoring in business. How
many of them are majoring in business? - answer1500
3/7 x 3500 = 1500
3 x 3500 = 10500
10500/7 = 1500
Rod smokes 1 1/2 packs of cigarettes per day. Rod buys cigarettes by the carton. There
are 10 packs to a carton. If Rod pays $35.80 per carton, how much does it cost him for
each day of smoking? - answer$5.37
35.80/10 = $3.58
$3.58 x 1.5 = 5.37
To reach his treehouse, Raymonf must climb 9 1/3 feet up a rope ladder, then 8 5/6 feet
up the tree trunk. How far does Raymond have to climb all together? - answer18 1/6
9 1/3 + 8 5/6
28/3 + 53/6
56/6 +53/6
109/6 = 18.16 = 18 1/6
On a trip you drove 350 miles at an average speed of 60mph. You then returned home
driving at an average speed of 70 mph. How long did it take you to complete the trip? -
answer10.8 hours
time = d/t = 350/60 + 350/50 = 5.8 + 5 +10.8
A website gets 127,750 hits during its first year. How many hits did the website average
each day? - answer350
217750/365 = 350
A car uses 16 gallons of gas to travel 384 miles. How many miles per gallon does the
car get? - answer24
384/16
Mary worked a total of 16 1/2 hours during the 5 days of the past week. What was the
average workday? - answer3 hours 18 mins
16.5/5 = 3.3
If there are 3500 students in a school and 3/7 of them are majoring in business. How
many of them are majoring in business? - answer1500
3/7 x 3500 = 1500
3 x 3500 = 10500
10500/7 = 1500
Rod smokes 1 1/2 packs of cigarettes per day. Rod buys cigarettes by the carton. There
are 10 packs to a carton. If Rod pays $35.80 per carton, how much does it cost him for
each day of smoking? - answer$5.37
35.80/10 = $3.58
$3.58 x 1.5 = 5.37
To reach his treehouse, Raymonf must climb 9 1/3 feet up a rope ladder, then 8 5/6 feet
up the tree trunk. How far does Raymond have to climb all together? - answer18 1/6
9 1/3 + 8 5/6
28/3 + 53/6
56/6 +53/6
109/6 = 18.16 = 18 1/6
