Rules/Vocab
What is an integer?
all whole numbers negative & positive
-16/2 + 8/2
-4
|-4| + (-2)
2
On zero, facing positive numbers, walk backward 5 spaces, turn around, walk backward 8 spaces
a diver is 12 feet below a boat that is 5 ft. deep into sea. Where is the diver?
-17 below sea level
To subtract integers you must...
add its opposite
-2000% + 500%
-15
negativo dos plus uno
-1
facing positive numbers, walk forward six spaces, turn around, walk forward five spaces & back ten
11
Bolo jumped a four ft fence ran six miles, turned around ran three miles, then back around one mile
4 miles away from home
Are integers also rational numbers?
True
negative fifteen plus negative twenty five
-40
the circumference Garden A is 580 feet, the Perimeter of Garden B is twenty feet greater. I walked...
1,180 feet
on a bike rode five miles east two miles north, seven miles west and 9/3 miles towars home.
17 miles
a turtle crawled 3 feet under a one foot tall plank on the sea surface. how far did the turtle travel?
4 below sea level
Rule for adding integers with the same sign
you add the integers together and keep the sign
seenteen more than five plus negative three
14
-10 + |100/4|
15
Ben earns 210 per week for the next 2 weeks. He bought a game for 159 dollars. His friend gave him 50.
311
a diver fell off the boat deck five ft above sea level and stopped to see fish twelve ft below sea ascended two ft
19 feet
Rule for adding integers with different signs
You subtract and keep the sign from the greater number
-200/2 + -500/2
-350
- 72 + |-3|
-46
You park in garage 3 floors below ground level. Get in the elevator up 12 floors. Go to the 22nd floor.
25 floors
Jacks golf ball flew backwards 12 ft, Joan's hit straight ahead 17 ft, Mo's landed 2 ft in front of him. What is their combined positive distance?
7 Feet