Show:
Order of Operations
Addition Equations
Subtraction Equations
Multiplication and Division Equations
Word Problems
100
Simplify. Show all of your steps. 21 / 7 + 8 x 2
What is 3 + 8 x 2 3 + 16 19
100
x + 4 = 25
What is x + 4 - 4 = 25 - 4 x = 21
100
n - 7 = 81
What is n - 7 = 81 n - 7 + 7 = 81 + 7 n = 88
100
5x = 30
What is 5x = 30 5x / 5 = 30 / 5 x = 6
100
Amanda packed a box with 15 toys. Then she packed a box 3 boxes with 12 toys in each box. Write and solve an expression to find how many toys Amanda packed in all.
What is 15 + (3 x 12) 15 + 36 51 toys
200
What is the value of the expression: 9 − (3 × 2) + 8
What is 9 - 6 + 8 3 + 8 11
200
n + 21 = 45 + 8
What is n + 21 = 53 n + 21 - 21 = 53 - 21 n = 32
200
x - 350 = 95
What is x - 350 = 95 x - 350 + 350 = 95 + 350 x = 445
200
x / 6 = 12
What is x / 6 = 12 x / 6 x 6 = 12 x 6 x = 72
200
Cindy had $25. Then she worked 6 hours for $5 each hour. Write and solve an expression that will tell how much money Cindy has now.
What is 25 + (6 X 5) 25 + 30 $55
300
Where would you put the parentheses to make this expression equal 67? 60 − 3 + 2 × 5
What is 60 - 3 + (2 x 5) 60 - 3 + 10 57 + 10 67
300
10 + c + 6 = 12 + 8 + 2
What is 10 + c + 6 = 12 + 8 + 2 c + 16 = 22 c + 16 - 16 = 22 - 16 c = 6
300
r - 4 - 1 = 18 - 11
What is r - 4 - 1 = 18 - 11 r - 5 = 9 r - 5 + 5 = 9 + 5 r = 14
300
8m + 4 = 60
What is 8m + 4 = 60 8m + 4 - 4 = 60 - 4 8m = 56 8m / 8 = 56 / 8 m = 7
300
Jenny needs to simplify 18 / 2 + (12 x 3) + 1. What should her first step be? Why?
What is Multiply 12 x 3 because in Order of Operations, you do anything inside parentheses first.
400
Find the value of the expression: [(4 × 5) + (9 + 7)] ÷ 9
What is [20 + (9 + 7)] / 9 [20+16] / 9 36 / 9 4
400
24 + 8 + n = 60 + 4 + 220
What is 24 + 8 + n = 60 + 4 + 220 32 + n = 264 n + 32 - 32 = 264 - 32 n = 232
400
t - 36 - 18 = 462 - 84
What is t - 36 - 18 = 462 - 84 t - 54 = 378 t - 54 + 54 = 378 + 54 t = 432
400
4t + 7 = 35 + 8
What is 4t + 7 = 35 + 8 4t + 7 = 43 4t + 7 - 7 = 43 - 7 4t = 36 4t / 4 = 36 / 4 t = 9
400
There are 84 fifth graders going on a field trip. They are divided into 12 equal groups. There must be one adult chaperone for every 4 students. How many chaperones are needed for each group? Write an equation and solve for c, the number of chaperones needed for each group. How many chaperones are needed in all?
What is c= 12 / 4 c= 3 chaperones for each group 3 x 12 = 36 chaperones in all
500
[(2 × 6) + 3] + [35 − (7 × 3)]
What is [12 + 3] + [35 - 21] 15 + 14 29
500
Write and simplify an expression to match this story: Mrs. Carlsson collected 6 assignments from her class. After that she had a total of 28 assignments to grade. Write and solve an equation to find A, how many assignments Mrs. Carlsson had to start with.
What is A + 6 = 28 A + 6 - 6 = 28 - 6 A = 22
500
Write and solve an equation that matches this story: Amber has a basket of flowers. She puts 14 flowers in a vase. After that, Amber had 38 flowers. Write and solve to find f, the number of flowers Amber started with.
What is f - 14 = 38 f - 14 + 14 = 38 + 14 f = 52 flowers
500
9r - 6 = 18 + 27
What is 9r - 6 = 18 + 21 9r - 6 = 39 9r - 6 + 6 = 39 + 6 9r= 45 9r / 9 = 45 /9 r = 5
500
A cookie recipe calls for 3 cups of brown sugar and 1 cup of white sugar. Todd wants to make 4 batches of these cookies. Write and solve an expression to show how much sugar Todd needs in all.
What is 4 x (3 +1) 4 x 4 16 cups of sugar in all