Word Stuff
Give the correct order of operations.
Grouping (parenthesis), Exponents, Multiplication OR Division, Addition OR Subtraction
9 - 3 x 2=12
Show your work to solve!
Correct answer is 3. Do x then -, not - then x.
School Carnival: The student council buys 8 boxes of prizes. Each box has 15 prizes. They also buy 27 extra prizes. Then they divide all the prizes equally into 3 prize tables.
Question: How many prizes are placed on each table?
Expression: (8×15+27)÷3
Answer: 49 prizes per table
What does GEMS stand for?
Grouping, Expressions, Multiply and Divide, Subtract and Add
5 2 + 1=11
Show your work to solve!
5 2 = 25, not 10. Correct Answer is 26.
49 ÷ (3+4) + 52
32
Movie Night: A teacher buys 6 packs of popcorn. Each pack has 12 bags. Before the movie starts, 18 bags are given to volunteers. The remaining bags are shared equally among 9 classrooms.
Question: How many bags of popcorn does each classroom receive?
Expression: (6×12−18)÷9
Answer: 6 bags of popcorn per classroom
If you do not follow the correct order (go from G to S in order) and follow procedures from left to right, you will get the answer incorrect.
32 - 6 = 0
Show your work to solve!
3 2 = 9, not 6. Correct answer is 3
Field Day: There are 7 teams with 14 students on each team. After 20 students leave early, the remaining students are split evenly into 6 activity stations.
Question: How many students are at each station?
Expression: (7×14−20)÷6
Answer: 13 students per station
Tell what 5 3 really means.
It means 5 x 5 x 5
4 + 5 + 7 - 3 x 2 = 26
Show your work to solve!
You need to follow PEMDAS and do x first. Correct answer is 10.
Book Fair: A library receives 9 boxes of books with 18 books in each box. They donate 36 books to another school. The rest are placed equally on 7 shelves.
Question: How many books are placed on each shelf?
Expression: (9×18−36)÷7
Answer: 18 books per shelf
The problem was 20 - 5 x 2 + 3. My answer was 33. What did I do wrong?
I went from left to right without using the correct order of operations.
10 3 = 30
Show your work to solve!
10 3 = 10 x 10 x10, which is 1000, not 30.
(5 x 4) – 6 ÷ 2 + 9
26
Bake Sale: The baking club makes 11 trays of cookies with 16 cookies on each tray. They set aside 22 cookies for the teachers. The remaining cookies are packed equally into 7 gift bags.
Question: How many cookies are in each gift bag?
Expression: (11×16−22)÷7
Answer: 22 cookies per gift bag