Key Terms
Total
ADD
Sherry's mom gave an equal number of candies to her 5 kids. Sherry already had 21 pieces of candy, but now she has a total of 30 pieces. How many pieces of candy did her mom give out?
What operations are in this problem?
DIVISION and ADDITION
What is the INVERSE of addition?
Subtraction
Sherry's mom gave an equal number of candies to her 5 kids. Sherry already had 21 pieces of candy, but now she has a total of 30. How many pieces of candy did her mom give out?
What is the "AFTER" number?
30
Sherry's mom gave an equal number of candies to her 5 kids. Sherry already had 21 pieces of candy, but now she has a total of 30. How many pieces of candy did her mom give out?
Write an equation to represent this word problem.
c/5 + 21 = 30
Each
MULTIPLY
Pete is having a party, so he bought some chips. Each bag of chips cost 4 dollars, and Pete also spent 15 dollars on soda. If Pete spent exactly 35 dollars, how many bags of chips did he buy?
What operations are in this problem?
MULTIPICATION and ADDITION
What is the INVERSE of subtraction?
Addition
Pete is having a party, so he bought some chips. Each bag of chips cost 4 dollars, and Pete also spent 15 dollars on soda. If Pete spent exactly 35 dollars, how many bags of chips did he buy?
What is the "AFTER" number?
35
Pete is having a party, so he bought some chips. Each bag of chips cost 4 dollars, and Pete also spent 15 dollars on soda. If Pete spent exactly 35 dollars, how many bags of chips did he buy?
Write an equation to represent this word problem.
4c + 15 = 35
Left (over)
SUBTRACT
Max made brownies. He and his friend split them evenly between the 2 of them. Max then ate 4 of his brownies, and had 8 left. How many brownies did Max make?
What operations are in this problem?
DIVISION and SUBTRACTION
What is the INVERSE of multiplication?
Division
Max made brownies. He and his friend split them evenly between the 2 of them. Max then ate 4 of his brownies, and had 8 left. How many brownies did Max make?
What is the "AFTER" number?
8
Max made brownies. He and his friend split them evenly between the 2 of them. Max then ate 4 of his brownies, and had 8 left. How many brownies did Max make?
Write an equation to represent this word problem.
b/2 - 4 = 8
Equal
DIVIDE
Ramon watches his favorite show every night. Each episode is 11 minutes long. Last night, he also watched a movie that was 80 minutes long. If Ramon watched TV for 124 minutes, how many episodes of his favorite show did he watch?
What operations are in this problem?
MULTIPLICATION and ADDITION
What is the INVERSE of division?
Multiplication
Ramon watches his favorite show every night. Each episode is 11 minutes long. Last night, he also watched a movie that was 80 minutes long. If Ramon watched TV for 124 minutes, how many episodes of his favorite show did he watch?
What is the "AFTER" number?
124
Ramon watches his favorite show every night. Each episode is 11 minutes long. Last night, he also watched a movie that was 80 minutes long. If Ramon watched TV for 124 minutes, how many episodes of his favorite show did he watch?
Write an equation to represent this word problem.
11e + 80 = 124
How many more
SUBTRACT
Jamie types at a rate of 50 words per minute. When she started typing, she had already typed 100 words. By the time she was finished, she had a total of 550 words. How many minutes did she spend typing?
MULTIPLICATION and ADDITION
What are the TWO PAIRS of inverse operations?
ADD/SUBTRACT and MULTIPLY/DIVIDE
Jamie types at a rate of 50 words per minute. When she started typing, she had already typed 100 words. By the time she was finished, she had a total of 550 words. How many minutes did she spend typing?
What is the "AFTER" number?
550
Jamie types at a rate of 50 words per minute. When she started typing, she had already typed 100 words. By the time she was finished, she had a total of 550 words. How many minutes did she spend typing?
Write an equation to represent this word problem.
50m + 100 = 550