Additive Inverse
Adding & Subtracting
Fraction Operations
Fractions and decimals
100
Fill in the blank:
-10 + _____ = 0
10
100
-6 + 3 =
-3
100
Solve and simplify your answer:
1/2 xx 4/9 =
2/9
100
Write the following as a decimal:
7/40
0.175
200
What is the additive inverse of -6?
6
200
-9 - 14 =
-23
200
Use Long Division (and show your work) to write this fraction as a decimal.
5/11
0.4545454545... OR
0.bar45
200
What is 0.34 written as a fraction?
34/100 or 17/50
300
Which of the following expressions equals zero?
A) A scuba diver descends 120 feet. Then the diver ascends 130 feet.
B) A plane ascends 6.5 miles for a flight. Then the plane descends 6.5 miles to land.
C) Alicia drives 4 miles east to go to the grocery store. After leaving the grocery store, she drives 5 miles west.
D) A bird flies upward 18 feet into the air. Then the bird flies downward 16 feet to land on a tree.
B) A plane ascends 6.5 miles for a flight. Then the plane descends 6.5 miles to land.
300
5 + (-8) =
-3
300
Solve and simplify your answer:
-6 frac(5)12 + 2 frac(1)12 =
-4frac(1)3
300
Teresa earned $425 for working 25 hours last week. What is her hourly rate?
Write your answer like $____ per hour.
$17 per hour
400
Write a sentence describing a scenario that will result in zero.
Answers may vary (as long as it's the same number added to its additive inverse)
400
-3.17 - (-3.95) =
0.78
400
Solve and simplify your answer:
-56 1/2 + (-74 2/5)
-130 9/10
400
THROWBACK: Find the average (the mean) of the following numbers.
$28.85 $19.80 –$15.70 $40.15 –$5.10
Mean = Sum divided by Count
(28.85 + 19.80 + (-15.70) + 40.15 + (-5.10))/5
68/5 = 13.6
500
Camille lives 300ft from the bus stop. She leaves home to get to school and walks 200ft towards the bus stop before she realizes that she forgot her backpack and runs back home to grab it. How many feet is she from the bus stop now?
300ft
500
Solve and simplify:
1/15 + 1/3
2/5
500
Solve and simplify your answer:
235 4/5 + (-122 27/40)
113 1/8
500
Solve and simplify your answer:
1 1/8 xx -3 3/10
9/8 xx -33/10 = 297/80 = 3 57/80