True or False?
KAO is used for subtracting rational numbers.
True
Daren wants to give some skittles to friends, he gave away -23 packets and now only has 4 left. How much skittle packets did he start with?
27 Skittle Packets
x/89 = 48/76
What is 56.21
What is the definition of an integer?
A whole number that can be positive or negative.
23 - 45 + 2x - 8x =
10x - 22
When you're adding rational numbers, do you need to invert the second number in the problem?
False
George went to the field trip with some money. At the field trip, he spent a total of -57 dollars. George now has $100. How much money did he have when he started.
30/40 = x/100
What is 75
What is a variable?
A symbol, often a letter, that stands as a number.
56y - 90x + 6 - 21y =
77y - 90x + 6
If Daren had $55 in his bank account right now and he makes a withdrawal of -37 dollars. Would the answer be 18?
False
Phil is making a model. He uses -45 popsicle sticks from a bag of popsicle sticks, he has 205 popsicle sticks left to spare, how many popsicle sticks were in the pack before Phil bought them?
250 Popsicle Sticks
54/398 = x/25
What is 3.46
What is the reciprocal of a number?
The multiplication inverse of a number. (1/4 is 4/1)
7 - 89x + 70 - x =
77 - 90x
(-13,452) + 11,673 = -1,779?
True
Zero and Justine had more than enough tickets to buy to the biggest prize at the arcade. They spent -1,400 tickets, and only had 50 tickets left. how many tickets did they earn at the arcade?
1,450 tickets
87/x = 90/134
What is 129.5333334
What is a rational number?
Any number that can be written as a fraction with integers.
47 - 98x + 456x =
47 - 554x
(-48,098) - 8,560 = ?
What is -56,658
Aryn went to Daren's grave with red and black colored flowers. The bouquet had 47 good flowers and -3 had already withered. How many flowers were in the bouquet when Aryn bought them?
50 flowers
23/56 = 42/x
What is 102.26
What is Keep, Add, Opposite?
A method used for subracting rational numbers. Keep the first number the same, change the subtraction symbol to addition, and change the second number to the inverse sign. (45-(-90) goes to 45+90)
78y - 46x + 69 - 58y =
20y - 46x + 69