Combining opposites to make 0.
-5 + 5= 0
Additive Inverse
-3 +( - 5) +16
What is 8
6 + -7
What is -1
-6(7)
What is -42
negative divided by a positive
negative
Property in math that states:
a+b=b+a
3x4=4x3
ORDER DOESN'T MATTER in X and +
Commutative Property
-10 + -5 + 2
What is -13
-3 -(- 13)
What is 10
Negative times positive times positive
-2 x 3 x 2
Negative
-12
-84/-7
What is 12
A decimal that ends. 8.9
A decimal that repeats. 0.3333333333
Terminating and Repeating decimal
Playing golf, Mike got a +2 on the first hole, −2 on the second hole, even on the 3rd hole, +1 on the 4th, +3 on the 5th and -1 on the 6th. What is his combined score for the first 6 holes?
What is +3
0 - (-12 ) -20 -2
What is -10
Write -8 multiplied by 1/2 in 2 ways.
Write equations and solve
-8x .5 =-4
-8x 1/2 =-4
8x -.5=-4
8x -1/2=-4
8/-2=-4 -8/2=-4
Andy is scuba diving. He starts at sea level and then descends 10 feet in 2 and a half minutes.
How would you represent Andy’s descent as a unit rate? Write an equation and solve.
10/2.5= 4
Any number that is an integer, fraction or decimal that terminates or repeats.
Rational Number
Bray bought a bike that costs $265. He had a coupon for 27.50 off his purchase. Write an equation to represent the situation and solve.
What is 265-27.50= $237.50
Write two equations that show the distance between –13 and –4 on a number line?
What is the distance? SOLVE
-13- (-4)=-9
-13 +4= -9
(-5)2 x(4) x -2
What is -200
A marathon is 26.2 miles long. There is a water station every 2.5 miles along the race route. Write an equation to show how many water stations in all. SOLVE and round to the nearest whole number
26.2/2.5= 10.48
10 water stations
When you divide a number by 0.
Undefined.
Does not exist.
Sandra plays a matching game. In order to advance to the next level, she must score at least 15 points.
She scores 22.75 points for correct matches and –6.8 points for incorrect matches.
Did Sandra make it to the next level? By how much did she make it or not make it by?
She made it with 15.95. She made it with .95 of a point extra.
Joaquin recorded a temperature of 62°F this morning for science class. The temperature increased 6 and a half°F in the afternoon before decreasing 8.7°F in the evening. What was the evening temperature?
What is 59.3
Anna hikes into a canyon. She takes a break at the rest stations every 3/4 of a mile.
If she started at sea level and has hiked down to the 6th rest station, what is Anna’s elevation now?
-6 x 3/4 = -18/4
-18/4 = -4.5
A robotic car can travel 6.2 feet in 2 seconds.
If the car continues at the same rate, how many feet will it travel in 7 seconds?
What is 21.7 feet?