Lynn is cooking cookies. The recipe calls for 14 cups of flour. She has already put in 4 cups. How many more cups does she need to put in? What equations represent the situation?
x+4=14
14-x =10
14-10 = x
Jamie needs to buy enough Gatorade for the whole soccer team. If there are 72 kids on the team and Gatorade comes in cases of 12, how many cases does Jamie need to bring?
Show an equation with a variable. (not equal to the variable)
Solve for the variable.
12x = 72
x = 6
What do we call a letter that represents a number?
A variable
6 + c = 13.00
c = 7
What is the rarest M&M color?
How many packages of socks can you buy with $80 if one package costs $16? What equations represent the situation?
80/16 = x
80/x =16
16x =80
Mrs. Smith bought smelly stickers for her amazing students! The stickers come in packs of 20. If she has 200 students, how many packs of stickers should she order?
Show an equation with a variable. (not equal to the variable)
Solve for the variable.
20x=200
x = 10
What are the four operations?
addition, subtraction, multiplication, division
8x = 72
x = 9
After how many personal fouls is a player ejected from an NBA game?
6
Bryan decided to bring his wallet to the bank to cash it in. On the way, he dropped it and lost $2. He had $15 left in the wallet. How much did he start with? What equations represent the situation?
15 + 2 = x
x -2 = 15
x -15 = 2
A cab company charges $4 for every mile. If you spent a total of $40, how many miles did you ride the cab for?
Show an equation with a variable. (not equal to the variable)
Solve for the variable.
4x=40
x = 10
What is the number a variable is multiplied by?
A coefficient
m - 15 = 23
m = 38
What is the only letter of the alphabet not to appear in the name of any US state?
Q
There are 408 pages in a book and you want to finish it in 4 days. You want to read an equal amount of pages per day. How many pages do you read per day? What equations represent the situation?
408/4 =x
4x =408
408/x= 4
How many boxes of envelopes can you buy with $12 if one box costs $3?
Show an equation with a variable. (not equal to the variable)
Solve for the variable.
3x = 12
x = 4
What makes an equation true?
When both sides are equal to each other
k/15 = 10
k = 150
What color is a giraffe's tongue?
Black
Mary and Kate both work at 7-11. Mary earns $4 more than Kate. If Kate earns $17 an hour how much does Mary make? What equations represent the situation?
17 + 4 =x
x -17 = 4
x -4 = 17
Maria bought tissue boxes. A week later half of all her boxes were destroyed in a fire. There are now only 22 boxes left. With how many did she start?
Show an equation with a variable. (not equal to the variable)
Solve for the variable.
x÷2=22
x = 44
What are the two models we can use to represent an equation?
Tape diagrams and Hanger models
24x = 144
x = 6
What was the first Pixar movie ever made?
Toy Story