Topic G: Mixed Problems
Carefully read again the Problem Solving Steps in Adult Literacy Fundamentals Mathematics: Book Two, Topic F or ask your instructor for a copy of those pages. Read the problems to get a feel for the wording and types of problem situations you can expect for addition, subtraction, multiplication, and division problems. Ask your instructor for a list of key words that will point to the operation you should choose.
Exercise 1
Solve these problems using the five problem solving steps. Show your estimation and actual work. Write a sentence answer remembering to use the units. Check your work using the answer key at the end of the exercise.
- Saika gave her students cinnamon hearts on Valentine’s Day. She bought a box of 1120 cinnamon hearts and gave each student 35 candies, using up the whole box. How many students does she have?
- Each stamp cost 57 cents. Dolores bought 100 stamps. How much money did she spend on stamps (before taxes)?
- Etienne planted 30 tomato plants in rows of 5 plants. How many rows did he plant?
- There are 8 servings per large economy-size can of fruit. The restaurant ordered 5 cases with 24 cans per case. How many servings of fruit can the restaurant get from this order? (This is a two step problem – first find the total number of cans. Then use that number to find the number of servings.)
- A train traveled 2250 km at a speed of 75 km per hour. How many hours did the trip take?
- The regular mountain bike costs $499 and the fancy model is $675. How much more do you pay for the fancy mountain bike?
- The members of the Shiny Wheels Bicycle Club ride at an average speed of 16 km/h. On their weekend trip, they rode 2 hours Friday night, 7 hours on Saturday, took a two hour break to soak their aching bones at the Hot Springs, and then rode a final 5 hours on Sunday. How many kilometres did they ride on this weekend trip? (2 steps)
- Last week Mrs. Sanderson drove 29 km on Monday, 42 km on Tuesday, 5 km on Wednesday, and 21 km on Friday. How far did she drive last week?
Answers to Exercise 1
- 32 students
- $57.00
- 6 rows
- 960 servings
- 30 hours
- $176 more
- 224 km
- 97 km