Maureen Curran and Mary Lou Aalbers

1
MATH
Fractions/Decimals
Activity 1
Teacher Tips
Maureen Curran and Mary Lou Aalbers Hazelwood
School District
2
Fractions/Decimals

• The following lessons are addressing these
  standards
• Develop, analyze, and explain methods utilized
  to collect, organize, and describe data. (MO 1.1,
  1.4,1.8, 2.1)
• Investigate number forms such as fractions,
  decimals, and percents. (MO 1.10, 2.2, 4.1)

3

• Teacher Tips
• You will need to click the mouse to show the
  answers for activities. This will allow you to
  control the timing of answers shown.
• We suggest that students keep a journal.
• It is critical for students to use writing skills
  to explain their answers.
• Please take time to discuss possible solutions to
  problems.
• Click to see answer on each slide and click to go
  to the next slide.

4
DECIMALS MONEY
Change from a 10.00 dollar bill If you spend
1.85 at the ice cream store, and you pay with a
10.00 dollar bill, you get 8.15 in change.
Notice that the digits in your change are the
same as the digits in the amount you spent?
There are five other amounts you could spend and
get change with the same digits. See if you can
find them all. List them in your journal. Do
you see a pattern?

Click page for answer
5
DECIMALS MONEY
Change from a 10.00 dollar bill
0.95 9.05
1.85 8.15
2.75 7.25

3.65 6.35
4.55 5.45
5.00 5.00
How many patterns do you see in these answers?
6
DECIMALS MONEY
Change for 0.50
Find ways to make change for 0.50 without using
any pennies. Make an organized list in your Math
Journal.

7
DECIMALS MONEY
Find ways to make change for 0.50. Make an
organized list in your journal.
1 dime and 8 nickels
2 dimes and 6 nickels

3 dimes and 4 nickels
4 dimes and 2 nickels
I SEE SOME PATTERNS HERE!