Reteach and Skills Practice Workbook

14–5
Name
Skills Practice
Use any strategy shown below to solve.
• Use logical reasoning
• Solve a simpler problem
• Make a model
• Draw a picture
• Look for a pattern
Date
4MR1.1, 4NS3.0
Problem-Solving Investigation: Choose a Strategy
Chapter Resources
1. Carlos had a 55 gallon aquarium with 18 fish. He had half as
many plants, twice as many small rocks, and one-sixth the amount
of filters. How many plants, rocks, and filters did he have?
2. Each morning, Mario walks his pet dog. They walk for 3 miles.
How many miles do they walk in 1 week? How many miles do
they walk in 10 days?
3. Joanna has 10 kinds of nail polish. If she uses 2 kinds in a week,
how many weeks will it take to use all of them?
Copyright © Macmillan/McGraw-Hill, a division of The McGraw-Hill Companies, Inc.
4. A building is 45 stories high. Every fifth story is residential and the
rest of the building is offices. Laura lives on the third story that is
residential. What number will she press on the elevator to go to
her home if the ground level is floor 1?
5. You saved your money from gifts and allowance and you were
able to buy a scooter for $99.39 and pair of shoes for $24.25. If
you still have $16.98 left, how much money did you start out with?
6. Ron’s mother bought a dozen flowers for $19.99. Alfred’s mother
bought 2 dozen of the same flowers for $38.98. Whose mother
got the better deal?
7. What numbers come next in this pattern? What is the rule? 4, 2, 8,
6, 12, 10, , , .
Grade 4 265 Chapter 14