Solve Multi-Step Problems
Videos, examples, and solutions to help Grade 5 students learn how to solve multi-step word problems; assess reasonableness of solutions using benchmark numbers.
Related Pages
Lesson Plans And Worksheets For Grade 5
Common Core For Grade 5
Lesson Plans And Worksheets For All Grades
More Lessons For Grade 5
Common Core Standards: 5.NF.1, 5.NF.2
New York State Common Core Math Grade 5, Module 3, Lesson 15
Lesson 15 Concept Development
Problem 1
In a race, the second place finisher crossed the finish line 1 1/3 minutes after the winner.
The third place finisher was 1 3/4 minutes behind the second place finisher. The third place
finisher took 34 2/3 minutes. How long did the winner take?
Problem 2
John used 1 3/4 kg of salt to melt the ice on his sidewalk. He then used another 3 4/5 kg
on the driveway. If he originally bought 10 kg of salt, how much does he have left?
Problem 3
Sinister Stan stole 3 3/4 oz of slime from Messy Molly, but his evil plans required 6 3/8
oz of slime. He stole another 2 3/5 oz from Rude Ralph. How much more slime does Sinister
Stan need for his evil plan?
Problem 4
Gavin had 20 minutes to do a three-problem quiz. He spent 9 3/4 minutes on question 1 and 3
4/5 minutes on question 2. How much time did he have left for question 3? Write the answer
in minutes and seconds.
Problem 5
Matt wants to save 2 1/2 minutes on his 5K race time. After a month of hard training,
he managed to lower his overall time from 21 1/5 minutes to 19 1/4 minutes. By how many
more minutes does Matt need to lower his race time?
Lesson 15 Homework
This video shows how to solve a multi-step word problem using a model drawing and fractional expressions.
Solve the word problems using the RDW strategy. Show all your work.
- A baker buys a 5 lb bag of sugar. She uses 1 2/4 lb to make some muffins and and 2 3/4 lb to make a cake. How much sugar does she have left?
Lesson 15 Homework
Solve the word problems using the RDW strategy. Show all your work.
- A baker buys a 5 lb bag of sugar. She uses 1 2/4 lb to make some muffins and and 2 3/4 lb to make a cake. How much sugar does she have left?
- A boxer needs to lose 3 1/2 kg in a month to be able to compete as a flyweight. In three weeks, he lowers his weight from 55.5 kg to 53.8 kg. How many kg must the boxer lose in the final week to be able to compete as a flyweight?
Lesson 15 Homework
- A construction company builds a new rail line from Town A to Town B. They complete 1 1/4
miles in their first week of work and 1 2/3 miles in the second week. If they still have 25
3/4 left to build, what is the distance from Town A to Town B?
- A catering company needs 8.75 lb of shrimp for a small party. They buy 3 2/3 lb of jumbo shrimp, 2 5/8 lb of medium-sized shrimp, and some mini-shrimp. How many pounds of mini-shrimp do they buy?
- Mark breaks up a 9-hour drive into 3 segments. He drives 2 1/2 hours before stopping for lunch. After driving some more, he stops for gas. If the second segment of his drive was 1 2/3 hours longer than the first segment, how long did he drive after stopping for gas?
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