What is the variable
I eat 2 donuts per minute.
Minutes
I eat 12 carrots per minute.
12m
I can do 30 pushups per minute and I do 120 pushups. How many pushups did I do?
30m=120
100 students went on a field trip. 5 buses were filled and 10 students traveled to the destination in cars with their parents. How many students were on each bus?
x=18
What is one of Mr. DeRocher's favorite numbers?
25 or 44
I ran at a pace of 5 meters per second.
Seconds
How many feet did I walk if I walked at a pace of 43 feet per minute?
43m
I have two different colored markers and have a total of 12 markers. I have 5 blue markers. How many red markers do I have?
12=5+r
Rosemary had $25 to spend on school supplies. She buys 4 packages of mechanical pencils. After her trip to the store, she only has $1 left. How much did each pack of pencils cost?
x=6
What is the square root of 16?
4
Driving my car to work, I drove 55 miles per hour.
Hours
How long can I spin the basketball on my finger? The ball spins at a rate of 7 rotations per second.
7s
You are on the 8th floor of a building. You take the escalator up to the 46th floor. The escalator travels at a rate of 2 floors per second. How many seconds did it take to reach the 46th floor?
46=8+2s
Sarah purchased 120 pieces of candy for Valentine's Day. He gives 2 pieces to each of his friends. When he finishes handing out candy, he has 30 pieces left. How many friends did he give candy to?
x=45
a2+b2=c2
I love waffles, but I always put too much syrup on my waffles. I end up pouring 4 ounces of syrup on my waffles and I pour at a rate of 1 ounce per millisecond. How long did it take me to pour my syrup?
Milliseconds
I already have 24 red markers and Mr. Flanders gives me 3 blue markers a day.
24+3m
You are in a submarine 700 feet below sea level. The submarine rises at 10 feet per minute. How many minutes until you reach the surface?
10x-700=0
William sold half of his comic book collection then purchased 10 more. He now has 24 comic books. How many comic books did William begin with?
x=28
What type of mathematics deals with shapes?
Geometry
This morning I didn't want to get out of bed so I ended up hitting my snooze button a few times. My alarm began to go off at 5:30 and I finally got out of bed at 6:15. My snooze button waits 9 minutes between rings. How many times did I hit my snooze button?
Times I hit the snooze button
I climbed a mountain at a rate of 2 feet per second and started 50 feet on the mountain.
50+2s
You are digging a hole at 4 feet per minute. You started at an elevation of 155 feet. When you check the elevation of the bottom of the hole it is -320 feet. How many minutes have you been digging?
-4x+155=-320
Ryan goes to the mall with his friends after school. At the mall, he purchases 4 pairs of basketball shorts and a pair of sneakers for $100. If he spends a total of $200, how much money did he spend on each pair of basketball shorts?
x=25
What is an irrational number?
Many options