Adding and some subtracting
(-10)+14
4
A hiker is at an elevation of 850 feet. He descends 275 feet. What is his new elevation?
575
A hiker descends 50 feet every minute for 6 minutes. Represent descending as a negative integer. What is the total change in elevation?
−300 feet
A hiker descends 240 feet over 6 minutes at a constant rate. What is the hiker's change in elevation per minute?
-40
A penguin has $45 in his bank account. He spends $18 on fish and then earns $25 from performing a dance. What is his new balance?
52
23+(-45)=
-22
A hiker is at 400 feet and descends to -150 feet. What is the change in elevation?
-550
A hiker climbs 75 feet every minute for 8 minutes. What is the total change in elevation?
600 feet
A hiker climbs 360 feet over 8 minutes at a constant rate. How many feet does the hiker gain each minute?
45
A zombie walks 12 feet backward every minute for 8 minutes because he forgot where he parked his car. What is his total change in position?
-96
67+(-84)
-17
A hiker is at -125 feet in a canyon. He climbs to an elevation of 350 feet. What is the difference between his starting and ending elevations?
475 feet
A hiker descends 45 feet per minute for 9 minutes. What integer represents the total change in elevation?
−405 feet
A hiker's elevation decreases by 525 feet over 7 minutes. What is the average change in elevation per minute?
-75
A squirrel steals $7 from each of 9 students at lunch. Unfortunately for the squirrel, he gets caught and has to return all the money. What integer represents the amount of money the squirrel owes?
-63
A hiker begins at an elevation of 1,250 feet. He descends 375 feet, climbs 620 feet, descends 480 feet, and then climbs 275 feet. What is his final elevation?
1,920 ft
A hiker is at 725 feet. He descends to -180 feet. How much did his elevation change?
-905
A hiker's elevation changes by -65 feet every minute. He continues hiking at this rate for 12 minutes. What is his total change in elevation?
−780 feet
A hiker's elevation changes by -840 feet over 12 minutes. If the change is the same each minute, how many feet does the hiker descend each minute?
−70 feet per minute
A group chat starts with 6 people. Each person invites 4 friends, but then 7 people leave because someone posted an embarrassing screenshot.
How many people are in the group now?
23
A bank account has a balance of $85. A student spends $120, deposits $75, spends $45, and then receives a refund of $30. What is the final balance?
$25
A hiker starts at -250 feet. He climbs to 600 feet, then descends to -125 feet. How much greater was his first elevation change than his second elevation change?
1,575 feet
A hiker starts at 1,200 feet. He descends 75 feet per minute for 8 minutes, then climbs 60 feet per minute for 5 minutes. What is his final elevation?
900
A hiker's elevation changes by -1,260 feet over 14 minutes. He then climbs half of the distance he descended over 7 minutes. What is his average rate of elevation change during the climb?
-90 ft
A student gains 20 aura points every time they make someone laugh. They make 6 people laugh, but lose 15 points every time they get called out by the teacher. They get called out 3 times.
What is their total change in aura?
75