1. MULTIPLYING
DECIMALS
Lesson 1
Multiply with
money

2. REAL-LIFE APPLICATION
Why is it important to learn
about multiplying money?
In what situations would you
multiply with money?

3. REAL-LIFE APPLICATION
Everyday Financial Transactions:
• Comparison shopping
Budgeting:
• save money to invest for future growth
• manage sudden financial changes
Income calculations:
• Multiply hours worked by hourly rate to
calculate your earnings

4. MULTIPLYING WITH MONEY
Steps:
1. Highlight key info
2. Stack the price on top
and the quantity on the
bottom
3. Align the numbers (to
the right)
4. Multiply (ignore
decimal)
5. Count the number of
decimals places
6. Bounce the decimal point
back into the answer
Leila wanted to buy 5 pizzas for her family from Dominos. Each
Pizza costs $10.50. How much money will she have to pay?
=

5. MULTIPLYING WITH MONEY
Lily needs to buy 10 new badminton
racquets for her team.
How much money will it cost Lily
altogether?
Steps:
1. Highlight key info
2. Stack the price on top
and the quantity on the
bottom
3. Align the numbers (to
the right)
4. Multiply (ignore
decimal)
5. Count the number of
decimals places
6. Bounce the decimal point
back into the answer
$19.35 each
=

6. MULTIPLYING WITH MONEY
Sophia was asked to buy food for her fish at home. Usually, it costs $9.50
per container. For today’s sale, it costs $4.30 per container.
Sophia wanted to buy 6 but she had $30 to spend. Will she have
enough money? Explain your answer.
= =

7. MULTIPLYING WITH MONEY
Xavier pays for his Netflix subscription monthly. He currently pays
$7.99 per month as a student. A yearly subscription costs $85.
If Xavier plans to keep his Netflix subscription for a year, how much
does he save/lose? Explain your answer.
=
=

8. TODAY’S ACTIVITY ☺
CHECKLIST:
• SIT IN GROUPS OF 4
• IPADS (SHOW ME)
• MONEY BAGS
SHOPPING SPREE
MR KEENAN IS IN A RUSH TO FINISH PACKING FOR
A HOLIDAY TO VIETNAM.
TASK: HELP CALCULATE HOW MUCH MONEY MR.
KEENAN WILL NEED TO BUY…..
QUESTIONS ON THE BOARD
USE IPADS TO SHOW WORKING OUT
COUNT THE MONEY TO SHOW HOW MUCH
MR KEENAN WILL NEED

9. MODEL QUESTION 1/8
This suitcase from ANTLER
was $239.40 on sale.
The sale ended 2 days ago,
and the price increased by
$159.60.
How much money will it cost
Mr Keenan to buy this
suitcase?

10. QUESTION 2/8
Steps:
1. Highlight key info
2. Stack the price on top and the
quantity on the bottom
3. Align the numbers (to the
right)
4. Multiply (ignore decimal)
5. Count the number of
decimals places
6. Bounce the decimal point
back into the answer
Mr Keenan plans to buy 2 duffle bags for extra
storage. Each bag costs $64.99
How much money will he need?

11. QUESTION 3/8
Steps:
1. Highlight key info
2. Stack the price on
top and the
quantity on the
bottom
3. Align the numbers
(to the right)
4. Multiply (ignore
decimal)
5. Count the number
of decimals places
6. Bounce the
decimal point back
into the answer
Mr Keenan wants to buy all these T-shirts!
How much money would he need?

12. QUESTION 4/8
Steps:
1. Highlight key info
2. Stack the price on top
and the quantity on the
bottom
3. Align the numbers (to
the right)
4. Multiply (ignore
decimal)
5. Count the number of
decimals places
6. Bounce the decimal point
back into the answer
And each of these pants!
How much money will this cost him?

13. QUESTION 5/8
Steps:
1. Highlight key info
2. Stack the price on top
and the quantity on the
bottom
3. Align the numbers (to
the right)
4. Multiply (ignore
decimal)
5. Count the number of
decimals places
6. Bounce the decimal point
back into the answer
A pack of 4 pairs cost $12.25
How much would it cost to buy 4 packs?

14. QUESTION 6/8
Mr Keenan wanted to buy 6
different hats to wear on the
trip. If each hat costs him
$15.85, how much money
will he need?
Steps:
1. Highlight key info
2. Stack the price on top
and the quantity on the
bottom
3. Align the numbers (to
the right)
4. Multiply (ignore
decimal)
5. Count the number of
decimals places
6. Bounce the decimal
point back into the
answer

15. QUESTION 7/8
Steps:
1. Highlight key info
2. Stack the price on
top and the
quantity on the
bottom
3. Align the numbers
(to the right)
4. Multiply (ignore
decimal)
5. Count the number
of decimals places
6. Bounce the
decimal point back
into the answer
Mr Keenan is planning to buy souvenirs for his
students. If the keyrings cost $3.35 each, how much
money would Mr Keenan need to leave aside?

16. QUESTION 8/8
Steps:
1. Highlight key info
2. Stack the price on
top and the
quantity on the
bottom
3. Align the numbers
(to the right)
4. Multiply (ignore
decimal)
5. Count the number
of decimals places
6. Bounce the
decimal point back
into the answer
It costs $15.95 to stay at this hotel per day and
Mr Keenan plans to stay 21
How much money will it cost Mr Keenan to
stay here?

17. -
Steps:
1. Highlight key info
2. Stack the price on top
and the quantity on the
bottom
3. Align the numbers (to
the right)
4. Multiply (ignore
decimal)
5. Count the number of
decimals places
6. Bounce the decimal point
back into the answer
There are motorbike rentals in
Vietnam.
Mr Keenan wants to rent a motorbike
for 8 hours.
How much money will it cost?
$13.65/hour

18. -
Mr Keenan needs to purchase
additional baggage for 11.65kg
For international travel, it costs
$35.00 per kg.
How much money will this cost
Mr Keenan?
Steps:
1. Highlight key info
2. Stack the price on top
and the quantity on the
bottom
3. Align the numbers (to
the right)
4. Multiply (ignore
decimal)
5. Count the number of
decimals places
6. Bounce the decimal
point back into the
answer

19. Work in
pairs
First names
only
Whiteboard
for working
out

20. WARM UP

21. DIVIDING
DECIMALS
Lesson 2
Divide with
money
Show working
out

22. REVISION – MULTIPLYING
WITH MONEY
Steps:
1. Highlight key info
2. Stack the price on top
and the quantity on the
bottom
3. Align the numbers (to
the right)
4. Multiply (ignore
decimal)
5. Count the number of
decimals places
6. Bounce the decimal point
back into the answer
=
Chloe bought 6
ice cream cones
for her family, how
much money did it
cost her?
$4.50 each

23. REVISION – MULTIPLYING WITH
MONEY
Steps:
1. Highlight key info
2. Stack the price on top
and the quantity on the
bottom
3. Align the numbers (to
the right)
4. Multiply (ignore
decimal)
5. Count the number of
decimals places
6. Bounce the decimal point
back into the answer
A Kit Kat bar costs $2.35
Evan wanted to buy one for every student in
6Rho (including himself).
How much money will it cost Evan?

24. REVISION – MULTIPLYING
WITH MONEY
John’te needed to buy new cricket gear for his
team. There are 15 members in total.
Each cricket gear set costs $24.70
How much money does John’te need?
Steps:
1. Highlight key info
2. Stack the price on top
and the quantity on the
bottom
3. Align the numbers (to
the right)
4. Multiply (ignore
decimal)
5. Count the number of
decimals places
6. Bounce the decimal point
back into the answer

25. DIVIDING WITH MONEY
Helen bought 5 pens for $12.50
How much money did it cost to buy 1 pen?
Steps:
1. Highlight key info
2. Divisor on the
left, and
dividend on the
right
3. Divide (ignore
decimal)
4. Count the number
of decimals places
5. Bounce the decimal
point back into the
answer

26. DIVIDING WITH MONEY
Minh Tanh bought 14 lollipops for the cost
of $17.50.
How much did it cost for 1 lollipop?
Steps:
1. Highlight key info
2. Divisor on the
left, and
dividend on the
right
3. Divide (ignore
decimal)
4. Count the number
of decimals places
5. Bounce the decimal
point back into the
answer

27. DIVIDING WITH MONEY
Toby paid for tickets to see The Weekend and
the total cost was $760.
If Toby bought 4 tickets, how much was each
ticket?
Steps:
1. Highlight key info
2. Divisor on the
left, and
dividend on the
right
3. Divide (ignore
decimal)
4. Count the number
of decimals places
5. Bounce the decimal
point back into the
answer

28. TODAY’S ACTIVITY ☺
MONEY ROTATION STATIONS
You will need your math workbook.
Rule a new page and title “Dividing
Decimals”.
Number 1-22 down the margin of
the page.

29. TODAY’S ACTIVITY ☺
MONEY ROTATION STATIONS
• Work in groups of 3
• Answer questions at 11 stations
• 1min30secs at each station
• Rotate in a clockwise direction
Go through the answers at the end!

31. MULTIPLYING AND
DIVIDING DECIMALS
Lesson 3
Multiply & Divide
with money

32. I DO
Steps:
1. Highlight key info
2. Stack the price on top
and the quantity on the
bottom
3. Align the numbers (to
the right)
4. Multiply (ignore
decimal)
5. Count the number of
decimals places
6. Bounce the decimal point
back into the answer
Nickolas wanted to buy 3 packets of candy
for 3.80 each. How much money will he
need to pay?

33. WE DO
Steps:
1. Highlight key info
2. Stack the price on top
and the quantity on the
bottom
3. Align the numbers (to
the right)
4. Multiply (ignore
decimal)
5. Count the number of
decimals places
6. Bounce the decimal point
back into the answer
Raquan wanted to buy 4 different hats. If one
hat costs $6.50, how much money will he need?

34. YOU DO
Steps:
1. Highlight key info
2. Stack the price on top
and the quantity on the
bottom
3. Align the numbers (to
the right)
4. Multiply (ignore
decimal)
5. Count the number of
decimals places
6. Bounce the decimal point
back into the answer
Myles bought new T-shirts from America for $25.35 each.
If he bought 6 T-shirts in total, how much money did it
cost?

35. YOU DO
Steps:
1. Highlight key info
2. Stack the price on top
and the quantity on the
bottom
3. Align the numbers (to
the right)
4. Multiply (ignore
decimal)
5. Count the number of
decimals places
6. Bounce the decimal point
back into the answer
Myles bought new T-shirts from America for $25.35 each.
If he bought 6 T-shirts in total, how much money did it
cost?
ANSWER: $152.10

36. I DO
If Miss Tran bought 5 pairs of socks for a total cost of
$23.00, how much money does it cost to buy one pair?
Steps:
1. Highlight key info
2. Divisor on the
left, and
dividend on the
right
3. Divide (ignore
decimal)
4. Count the number
of decimals places
5. Bounce the decimal
point back into the
answer

37. WE DO
Bruce wanted a dog for his birthday. The dog he wanted
cost $540.00 to adopt.
If 6 people were willing to split the total to pay for the dog,
how much would each person pay?
Steps:
1. Highlight key info
2. Divisor on the
left, and
dividend on the
right
3. Divide (ignore
decimal)
4. Count the number
of decimals places
5. Bounce the decimal
point back into the
answer

38. YOU DO
Johnathan is planning a camping trip for his family and
friends. There are 12 people going.
If the total cost of camping tickets was $316.80, how much
did it cost per person?
Steps:
1. Highlight key info
2. Divisor on the
left, and
dividend on the
right
3. Divide (ignore
decimal)
4. Count the number
of decimals places
5. Bounce the decimal
point back into the
answer

39. YOU DO
Johnathan is planning a camping trip for his family and
friends. There are 12 people going.
If the total cost of camping tickets was $316.80, how much
did it cost per person?
Steps:
1. Highlight key info
2. Divisor on the
left, and
dividend on the
right
3. Divide (ignore
decimal)
4. Count the number
of decimals places
5. Bounce the decimal
point back into the
answer
ANSWER: $26.40

40. • Mr Keenan and Miss Tran
have accidentally left the
classroom key outside, and
we’ve been locked in here!
• The only way to leave is by
inserting an 8-digit keypad
code to open the door.