Course 2- Unit 4-3 and 4-4- Solving One-step Equations

Solving Equations By Subtracting

100

Solve X+34=41

7

200

a+13=24

11

300

B+3.5=6.1

2.6

400

c+56=200

144

500

C + 1,987 = 14,986

12,999

Solving Equations By Adding

100

j-34=200

234

200

h - 46=898

944

300

n-6.2=15.1

21.3

400

1.7 = j - 1.2

2.9

500

178.987 = J + 9.0082

169.9788

Solving Equations By Multiplying

100

r/6=13

78

200

t/30=6

180

300

r/50=70

3500

400

x/5=27

135

500

Y / 156 = 995

155,220

Solving Equations By Dividing

100

7h=14

2

200

4x=56

14

300

3h=57

19

400

0.5c=8

16

500

16Y = 208

Y = 13

Solving One-step Equations Word Problems

100

Watson has some baseball trading cards (C). He gives 35 cards to his friend, Nick. Now, Watson has 12 left over for himself. How many baseball cards did Watson originally have?

Write an equation and solve an equation.

C - 35 = 12

C = 47 baseball cards

200

Imara added 37 new contacts to her phone list. She now has a total of 99 contacts. Let "C" represent how many contacts Imara had on her phone list before she updated it.

Write an equation and solve for "C."

C + 37 = 99

C = 62 contacts

300

Ethan typed 240 words in 6 minutes. Let "W" represent the number of words that Ethan typed per minute. How many words did Ethan type per minute?

Write an equation and solve for "W."

6W = 240

W = 40 words per minute

400

Sia and her four sisters spent an equal amount of time cleaning their entire home. Their parents found out that each of the "5" girls spent 8 hours cleaning the house. Let "C" represent the total number of hours the girls spent cleaning. Write and solve a division equation to find the total number of hours the girls spent cleaning.

C / 5 = 8

C = 40 hours

500

A movie theater sells 11,550 tickets for 50 sold-out showings of the same movie. Write a division equation that you can use to find the number of people who bought tickets for each showing. Use "P" for the number of people.

50P = 11,550

P = 231 people