Vocabulary
Identifying Operations
Two-Step Challenges
100
In a problem that says "altogether," which operation is usually required?
Addition
100
What is the FIRST step to solve the following problem:
This morning, there were 30 pencils in the classroom. At noon, Ms. R gave away 10 pencils. Ms. Robinson brought her 20 more at the end of the day. How many pencils does Ms. R have?
a. Subtraction ______ - ________ =
b. Addition ________ + _________ =
Subtraction
30 pencils - 10 pencils = 20 pencils
100
Solve the following two-step problem:
Sam has 15 apples. He gives his friend, Pat, 3 apples. Then he buys 4 more. How many apples does Sam have now?
a. 16 apples
b. 14 apples
c. 22 apples
A. 16 apples
1st: 15 apples - 3 apples to Pat = 12 apples
2nd: 12 apples + 4 more = 16 apples
200
If a problem mentions "left," which operation might you need to use?
Subtraction
200
What is the FIRST step to solve the following Problem:
A store had 15 oranges in a bin. If they threw away 5 of the old ones and put 10 new ones, how many would be in the bin?
a. Subtract _________ - ____________ =
b. Add _________ + ___________ =
Subtraction
15 oranges - 5 thrown away = 10 oranges
200
Solve the following two-step word problem:
While shopping, Jenna bought 18 pink towels and 25 black towels. If she gave her mom 10 towels, how many does she have left?
A. 3 towels
B. 43 towels
C. 43 towels
C. 43 Towels
1st: 18 pink + 25 black towels = 43 towels
2nd: 43 towels - 10 to mom = 33 towels
300
What operation does the vocabulary word "in all" belong to?
Addition
300
What is the SECOND step to solve the following problem:
At the arcade, Paul won 5 tickets playing Whack-a-Mole and 35 tickets playing Ski Ball. If he spent 34 tickets on a prize, how many tickets does he have left?
a. Subtract ________ - ________
b. Add ________ + __________
Subtraction
1st step: 5 tickets + 35 tickets = 40 tickets
2nd step: 40 tickets - 35 tickets prize = 5 left
300
Solve the following two-step problem:
At the book fair, Oliver bought 11 adventure books and 20 mystery books. If 5 of the books were used, how many new books did Oliver buy?
a. 14 books
b. 36 books
c. 26 books
C. 26 Books
1st: 11 + 20 = 31 total books bought
2nd: 31 total - 5 used = 26 new books
400
What operation do you use if a word problem states "how many more"?
Subtraction
400
What is the FIRST step to solve the following problem:
While on vacation, Robin took 27 pictures at the zoo and 35 pictures at the museum. She later deleted 9 of the pictures. How many pictures does she still have?
a. Subtract _______ - __________ =
b. Addition _________ + _________ =
Addition
27 zoo pictures + 35 museum pictures = 62 total pictures
400
Solve the following two-step word problem:
Caleb earned $40. He spent $24 on a video game. If he earned another $12 for his allowance, how much money does he have now?
A. $76
B. $28
C. $52
B. $28
1st: $40 - $24 spent = $16 left over
2nd: $16 + $12 allowance = $28
500
In the statement "Tom has 30 apples. He buys another 20. How many apples does Tom have in total?" What is the key vocabulary word in the question?
Total
500
What is the FIRST step in the following problem:
There 21 boys and 23 girls trying out for the play. If only 5 of them got called back, how many students didn't make the cut?
a. Subtract _________ - ________ =
b. Add ________ + ___________ =
Addition
21 boys + 23 girls = 44 people auditioned
500
Solve the following two-step word problem:
At the fair there 124 people in line for bumper cars. After five minutes, another 245 people joined the line. Then, 82 of them got tired of waiting and left. How many people are left in line?
A. 287 people
B. 203 people
C. 451 people
A. 287 people
1st: 124 people + 245 people joined = 369 people
2nd: 369 people - 82 left = 287 people