Period 9: Word Problems & Equations

Samantha has 2 bags of candy, with the same amount in each bag.  Holly has 12 pieces of candy.  Combined, they have 52 pieces of candy.  How much candy is in each bag?

*Select the equation that correctly models this situation.

• 2c + 52 = 12
• 2c - 12 = 52
• 2c + 12 = 52
• 12c + 2 = 52

 A computer printer can print 10 pages per minute. There were already 35 pages in the tray.  The total pages printed was 115 pages. 
*Select the equation that correctly models this situation.

• 10m + 35 = 115
• 10m - 35 = 115
• 115m + 35 = 10
• 35m + 10 = 115

 Mike took himself and 2 friends to dinner, and they all had the same food. He left a tip of $8.50.  The total cost was $53.50. 
*Select the equation that correctly models this situation.

• 2m + 8.50 = 53.50
• 3m - 8.50 = 53.50
• 2m + 8.50 = 53.50
• 3m + 8.50 = 53.50

What operation do these terms mean?
- cost per _____
- of
- product

• addition
• subtraction
• multiplication
• division

What operation do these terms mean?
- combined
- increased by
- more than

• addition
• subtraction
• multiplication
• division

What operation do these terms mean?
- difference
- decreased by
- less than 

• addition
• subtraction
• multiplication
• division

Jim paid a gym membership fee of $50, plus $20 per month.  Jim has paid a total of $290 to the gym.  How many months has Jim been a member of the gym?
*Select the equation that correctly models this situation.

• 50 + 20m = 290
• 20 + 50m = 290
• 50 + 20 = m
• 50m - 20 = 290

The quotient of a number and 5 is decreased by 7.  The result is 13.  What is the number?
*Select the equation that correctly models this situation.

• n/5 - 7 = 13
• 5/n - 7 = 13
• n/5 +7 = 13
• 5/n + 7 = 13

The quotient of a number and 12 is decreased by 9.  The result is -13.  What is the number?
*Select the equation that correctly models this situation.

• n/12 - 9 = 13
• 12/n  - 9 =  -13
• n/12 - 9 = -13
• 12/n + 9 = -13

Nine more than three times a number is –6.
*Select the equation that correctly models this situation.

• 9n + 3 = -6
• 3n + 9 = -6
• 3n - 9 = 6
• 3n + 9 = 6