Word Stuff
Give the correct order of operations.
Parentheses, Exponents, Multiplication OR Division, Addition OR Subtraction
9 - 3 x 2=12
The correct answer is 3.
4 students each have 5 markers. 2 markers dried out and no longer work. How many markers were still working? Write an equation to show how many markers still work, and explain the order of operations.
4 x 5 - 2 = 18 markers. Multiplication before subtraction.
Sally buys a cake for $9, She also buys 3 candles for $2 each. Write an equation to show how much money Sally spent, and explain how to use the order of operations to solve the equation.
9+3x2=$15. Multiplication before addition.
Jerry earned 5 dollars for every lawn he mowed. If he mowed 3 lawns and he already had 9 dollars saved up, how much money does he have total? Write an equation to show how much money Jerry has, and the explain the order of operations.
5 × 3 + 9 = $24. Multiply before adding.
Why is it important to know PEMDAS as a mathematician?
So everyone can solve every problem the same (correct) way.
4 + 3 x 2 = 14
The correct answer is 10.
Leo earned 5 dollars for every lawn he mowed. If he mowed 3 lawns and he already had 9 dollars saved up, how much money does he have total? Write an equation to show how much money Leo has, and explain the order of operations.
$5 x 3 +$9 =$2. Multiplication before addition.
On a recent math test, Jill scored 3 points for each of the 10 multiple choice questions she answered correctly. She was also awarded 5 extra credit points. How many total points did Jill receive. Write an equation to show how many total points Jill received, and explain the order of operations.
3 x 10 + 5 = 35. Multiplication before addition.
There were 11 friends playing a video game online when 5 players quit. If each player left had 5 lives, how many lives did they have total? Write an equation to show how many lives were left, and explain the order of operations.
(11-5)x5=30. Parenthesis must be completed before the multiplication.
What is the saying we use to remember the correct Order of Operations?
Please Excuse My Dear Aunt Sally.
7-5+2=0
The correct answer is 4.
A pet store sold 2 kittens and 1 puppy over the weekend. The kittens sold for $9 each and the puppy sold for $8. How much money did they earn from selling the pets? Write an equation to show how much money the pet shop earned, and explain the order of operations.
2 x $9 + $8=$26. Multiplication before addition.
There are thirteen students trying out for the school's trivia teams. If three of them didn't get picked for the team and the rest were put into two groups, how many students would be in each group? Write an equation to show how many students were in each group, and explain the order of operations.
(13-3) ÷ 2 = 5. Parenthesis must be completed before the division.
Maria's class is going on a field trip to the zoo. If each van can hold nine people and there are forty-one students and thirty-one adults going, how many vans will they need? Write an equation to show how many vans Maria's class will need, and explain the order of operations.
(41+31) ÷ 9 =8 vans. Parenthesis must be completed before the division.
The problem was 16 - 7 x 2 My answer was 18. What did I do wrong?
I worked the problem from left to right, I should have multiplied first, then subtracted. The answer is 2.
2+ (3x7)=35
The correct answer is 23.
The cafeteria had seventy-five apples. For lunch they handed out forty-seven to students and decided to use the rest to make pies. If each pie takes four apples, how many pies could they make? Write an equation to how how many pies the cafeteria made, and explain the order of operations.
(75-47) ÷ 4 = 7. Parenthesis before division.
Mia buys 3 bracelets for $5 each. She uses a $20 bill to pay for the bracelets. How much money does she have left? Write an equation and explain how to use the order of operations. Write an equation to show how much money Mia has left, and the order of operations.
$20 - 3 x $5 = $5. Multiply before subtracting.
While playing at the arcade, Francisco won thirty-nine tickets playing 'basketball' and fifteen tickets playing 'skee ball'. If he was trying to buy candy that cost nine tickets a piece, how many could he buy? Write an equation to show how many pieces of candy Francisco could buy, and explain the order of operations.
(39+15) 9 = 6 pieces of candy. Parenthesis must be completed before the ÷ division.
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.
8 ÷ (4x2)=4
The correct answer is 1.
There are four beehives in a tree, each with six bees. One of the beehives is knocked out of the tree, and the bees have to move into the remaining three hives. Write an equation to show how many bees are living in each beehive now, explain how to use the order of operations to solve the equation.
4 x 6 ÷ 3 = 8 bees. Multiplication before division because we move left to right.
Maria baked thirteen cupcakes for her school's bake sale. If her brother, Todd, ate nine of them how many packages could she make if she put two cupcakes in each package? Write an equation to how how many packages Maria made, and explain the order of operations.
What is (13-9) ÷ 2 =2. Parenthesis must be completed before the division.
A pet store has six bird cages. If each cage has six parrots and two parakeets in it, how many birds does the pet store have total? Write an equation to show how many birds the pet store has, and explain the order of operations.
(6+2)x6= 48 birds. Complete the parenthesis before multiplying.