MATH Fractions/Decimals Activity #1 Teacher Tips Maureen Curran and Mary Lou Aalbers Hazelwood School District
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)
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.
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
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?
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.
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!