Decimal and Money

Decimal Division with Money

Money is a GREAT example of why decimal understanding is so important!

When you go to the store, you have to purchase items based on the price. The prices rarely come out to whole numbers. For that reason, it's important to understand the relationship between money and decimals.

Multiple Choice

What decimal represents a penny?

• 0.01

• 0.05

• 0.10

• 0.25

Multiple Choice

What decimal represents a nickel?

• 0.01

• 0.05

• 0.10

• 0.25

Multiple Choice

What decimal represents a dime?

• 0.01

• 0.05

• 0.10

• 0.25

Multiple Choice

What decimals represents a quarter?

• 0.01

• 0.05

• 0.10

• 0.25

Solving Problems with Money

• Cents are one hundredth

• Pennies = 1 cent = 0.01

• Nickels = 5 cents = 0.05

• Dimes = 10 cents = 0.10

• Quarters = 25 cents = 0.25

Word problems with money could require many steps.

• When solving problems about money, you might have to use multiple operations.

• It's important to take your time and identify exactly what needs to happen each step of the way.

• Example: Mr. Rogers bought six cardigans at the store because they were on sale. He paid for the cardigans with a fifty dollar bill, each one costing the same amount. He was given $4.10 in change. How much did each of his cardigans cost?

Multiple Choice

Mr. Rogers bought six cardigans at the store because they were on sale. He paid for the cardigans with a fifty dollar bill, each one costing the same amount. He was given $4.10 in change. How much did each of his cardigans cost?

What is the first step to solving this problem?

• First we need to divide to find the cost of each cardigan.

• First we need to subtract to find out what he paid in total for the cardigans.

Multiple Choice

Mr. Rogers bought six cardigans at the store because they were on sale. He paid for the cardigans with a fifty dollar bill, each one costing the same amount. He was given $4.10 in change. How much did each of his cardigans cost?

What is the second step to solving this problem?

• Second we need to divide to find the cost of each cardigan.

• Second we need to subtract to find out what he paid in total for the cardigans.

Multiple Choice

Mr. Rogers bought six cardigans at the store because they were on sale. He paid for the cardigans with a fifty dollar bill, each one costing the same amount. He was given $4.10 in change. How much did each of his cardigans cost?

What is the total cost of Mr. Roger's cardigans?

• $12.20

• $45.90

Multiple Choice

Mr. Rogers bought six cardigans at the store because they were on sale. He paid for the cardigans with a fifty dollar bill, each one costing the same amount. He was given $4.10 in change. How much did each of his cardigans cost?

What is the cost of each cardigan?

• $7.65

• $8.33

Multiple Choice

Each week, Sandy puts money into a savings account to save up for Christmas. However much she has by winter, she will divide evenly to spend on her three family members. Use the chart below to determine how much she will spend on each family member.

Week 1 - $9.27 Week 2 - $10.26 Week 3 - $9.42 Week 4 - $8.73

Week 5 - $6.54 Week 6 - $10.87 Week 7 - $10.11 Week 8 - $4.10

Which step should you take first to solve this problem?

• First we should divide her weekly savings by the number of family members she has.

• First we should add up all her savings from each week to determine her entire savings.

Multiple Choice

Each week, Sandy puts money into a savings account to save up for Christmas. However much she has by winter, she will divide evenly to spend on her three family members. Use the chart below to determine how much she will spend on each family member.

Week 1 - $9.27 Week 2 - $10.26 Week 3 - $9.42 Week 4 - $8.73

Week 5 - $6.54 Week 6 - $10.87 Week 7 - $10.11 Week 8 - $4.10

Which step should you take second to solve this problem?

• Second we should add up thirds of everything she saved each week.

• Second we should divide the total savings by the three family members she has.

Multiple Choice

Each week, Sandy puts money into a savings account to save up for Christmas. However much she has by winter, she will divide evenly to spend on her three family members. Use the chart below to determine how much she will spend on each family member.

Week 1 - $9.27 Week 2 - $10.26 Week 3 - $9.42 Week 4 - $8.73

Week 5 - $6.54 Week 6 - $10.87 Week 7 - $10.11 Week 8 - $4.10

How much did she save in all?

• $69.30

• $23.10

Multiple Choice

Each week, Sandy puts money into a savings account to save up for Christmas. However much she has by winter, she will divide evenly to spend on her three family members. Use the chart below to determine how much she will spend on each family member.

Week 1 - $9.27 Week 2 - $10.26 Week 3 - $9.42 Week 4 - $8.73

Week 5 - $6.54 Week 6 - $10.87 Week 7 - $10.11 Week 8 - $4.10

How much does Sandy have to spend on each family member?

• $69.30

• $23.10