Warm UpDirections: Count the money and write the answers on your white board slate.

1.

2.

3.

$3.42

$2.52

$1.91

Making Change

The students will count, compare and make change using a collection of coins and one dollar bills.

© Caitlin A. Conroy 2013

Now we are ready to learn how to make change!

There are two ways we can make change.• We can subtract the amount owed from the

amount paid.• We can add up from the amount owed to the

amount paid.I’m going to show you both ways, and you can

use the one that makes you feel most comfortable.

Let’s Explore Making Change

Using subtraction

$1.00- 0.69

Chloe wants to buy a package of gum at the mini-mart. The gum costs $0.69. She pays with $1.00. Howmuch change should the cashier give her back?

9 1

13

.

.$0

Let’s Explore Making Change

Adding Up$0.69

$1.00

Chloe wants to buy a package of gum at the mini-mart. The gum costs $0.69. She pays with a $1.00. How much change should the cashier give her back?

+ $0.01

=$0.70

So, the cashier owes her $0.31.

+ $0.30

= $1.00

Let’s Explore Making Change

Using subtraction

$2.00- 1.05

Karmelo wants to buy a box of crayons for school. The crayons cost $1.05. He pays with $2.00. How much change should the cashier give him back?

19 1

59.0$

Let’s Explore Making Change

Adding Up$1.05

$2.00

Karmelo wants to buy a box of crayons for school. The crayons cost $1.05. He pays with $2.00. How much change should the cashier give him back?

+ 0.05

=$1.10

So, the cashier owes him $0.95.

=$2.00

Let’s Explore Making Change

Using subtraction

$5.00- 4.27

Kayla wants to buy a yo-yo at the toy store. The yo-yo costs $4.27. She pays with $5.00. How much change should the cashier give her back?

49 1

37.0$

Let’s Explore Making Change

Adding Up$4.27

$5.00

Kayla wants to buy a yo-yo at the toy store. The yo-yo costs $4.27. She pays with $5.00. How much change should the cashier give her back?

+ 0.03=$4.30

So, the cashier owes her $0.73.

+0.20 =$4.50

+0.50=$5.00

Let’s Explore Making Change

Using subtraction

$5.00- 2.15

Hunter wants to buy an ice cream cone. An ice cream cone costs $2.15. He pays with $5.00. How much change should the cashier give him back?

49 1

58.2$

Let’s Explore Making Change

Adding Up$2.15

$5.00

Hunter wants to buy an ice cream cone. An ice cream cone costs $2.15. He pays with $5.00. How much change should the cashier give him back?

+$0.05=$2.20

So, the cashier owes him $2.85.

=$2.50+$0.30

+$0.50=$3.00

= $5.00

Now You Try!

Stephanie wants to buy a lollipop. The lollipop costs $0.74. She pays with $1.00. How much change should the cashier give her back?

A. $0.25B. $0.26C. $0.27D. $0.30

The Answer is B. $0.26

• Let’s look at how we can find the answer .

$1.00- 0.74

$ 0 . 74

$ 1.00

19

62$0.

Now You Try!

Liam wants to buy a rose for his mother. The rose costs $2.45. He pays with $3.00. How much change should the cashier give him back?

A. $0.45B. $0.57C. $0.55D. $0.65

The Answer is C. $0.55

• Let’s look at how we can find the answer.

$2.45

$3.00

$3.00- 2.45

129

55$0.

Now You Try!

Tracy wants to buy a hotdog at the baseball game. The hotdog costs $1.35. She pays with $2.00. How much change should the cashier give her back?

A. $0.65B. $0.55C. $0.45D. $0.60

The Answer is A. $0.65

• Let’s look at how we can find the answer.

$2.00- 1.35

$1.35

$2.00

119

56$0.

Now You Try!

Matt wants to buy a milkshake. The milkshake costs $3.15. He pays with $5.00. How much change should the cashier give him back?

A. $1.65B. $1.85C. $0.85D. $2.85

The Answer is B. $1.85

• Let’s look at how we can get the answer .

$5.00

$3.15

$5.00- 3.15

149

58$1.

Now You Try!

Kristy wants to buy lunch. Her meal costs $4.67. She pays with $5.00. How much change should the cashier give her back?

A. $0.74B. $0.27C. $0.33D. $0.35

The Answer is C. $0.33

• Let’s look at how we can find the answer.

$5.00- 4.67

$ 4.67

$5.00

149

33$0.

Now You Try!

Dan wants to buy a soft pretzel at the baseball game. The pretzel costs $1.25. He pays with $2.00. How much change should the cashier give him back?

A. $1.75B. $0.85C. $0.75D. $0.65

The Answer is C. $0.75

• Let’s look at how we can find the answer.

$2.00

$1.25

$2.00- 1.25

119

57$0.

Now You Try!

Erin wants to buy a sandwich. Her sandwich costs $3.72. She pays with $5.00. How much change should the cashier give her back?

A. $1.28B. $1.29C. $1.53D. $0.28

The Answer is A. $1.28

• Let’s look at how we can find the answer.

$5.00- 3.72

$ 3.72

$ 5.00

149

82$1.

Your Assignment

• Find 5 objects around your home.• Make price tags for these objects.• Give half of the pretend money in your math kit to

your parents or siblings. Keep half of it for yourself so you can make change.

• Have your family members pretend to buy the objects from you.

• You will pretend to be the cashier and you will be responsible for giving them the correct amount of change.