Envision Math 4th Grade Textbook Answer Key Topic 1.5 Problem Solving

Problem Solving

Make an Organized List

Arthur is tiling a bathroom wall. He has 520 wall tiles. He wants to arrange them in patterns of hundreds and tens. Using only hundreds and tens blocks, how many ways can he make 520?
Envision Math Grade 4 Answer Key Topic 1.5 Problem Solving 1

Guided Practice*

Do you know HOW?

Solve. Make an organized list to help you.

Question 1.
It costs Celia 50¢ admission to enter the aquarium. How many different ways can Celia pay the admission using only quarters, dimes, and nickels?
Answer:

Do you UNDERSTAND?

Question 2.
What were the titles for the columns of your list in Problem 1?
Answer:

Question 3.
Write a Problem Write a problem that you can solve using an organized list.
Answer:

Independent Practice

Solve.

Question 4.
Using only hundreds blocks and tens blocks, list the ways to show 340.
Answer:

Question 5.
Simon asked Margaret to guess a number. He gave these hints.

  • The number has 3 digits.
  • The digit in the 100s place is less than 2.
  • The digit in the 10s place is greater than 8.
  • The number is even.

What are the possible numbers?

Question 6.
Make a list showing the ways you can make a dollar using only quarters, dimes, and nickels using no more than one nickel and no more than 9 dimes.

Read & Understand Plan

Envision Math Grade 4 Answer Key Topic 1.5 Problem Solving 20

Plan
Record the combinations using an organized list.
Envision Math Grade 4 Answer Key Topic 1.5 Problem Solving 21
There are 6 ways to make 520.

Question 7.
Lou’s sandwiches are made with either wheat or white bread and have only one type of cheese—
Swiss, Cheddar, American, or Mozzarella. How many different kinds of sandwiches can Lou make?
Answer:

Question 8.
A magazine has a total of 24 articles and ads. There are 9 articles. How many ads are there?
Envision Math Grade 4 Answer Key Topic 1.5 Problem Solving 70
Answer:

Question 9.
Janie is making a bracelet. She has 1 red bead, 1 blue bead, and 1 white bead. How many possible ways can Janie arrange the beads?
Answer:

Question 10.
Reasoning What two numbers have a sum of 12 and a difference of 4?
Answer:

Question 11.
Alan has a cat, a goldfish, and a dog. He feeds them in a different order each day. How many different ways can he feed his pets?
Answer:

Question 12.
Heather is writing a 3-digit number. She uses the digits 1, 5, and 9. What are the possible numbers she can write?
Answer:

Question 13.
At the driving range, James wants to buy 200 golf balls. The golf balls are sold in buckets of 100, 50, and 10 golf balls. How many different ways can James buy 200 golf balls?
Envision Math Grade 4 Answer Key Topic 1.5 Problem Solving 71
Answer:

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