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Converting Fractions, Decimals, and Percentages. Week 12. DO NOW (3 mins ) PKB (Prior Knowledge Box ). Copy everything in RED OR. STANDARD- 7N.S. 1.3 Convert fractions to decimals and then to percents.
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STANDARD- 7N.S. 1.3Convert fractions to decimals and then to percents.
OBJECTIVE- HUSKIES WILL BE ABLE TO DISTINGUISH HOW TO CHANGE FRACTIONS TO DECIMALS AND PERCENTS.
Vocabulary 1) Convert- to change a number, but remain it’s original value.
Fractions to Decimals • Divide the numerator by the denominator. (little dog in the house/ big dog outside.)
Example #1 • 5/8 into a decimal. 0.625 62.5%
Example #2 • Convert 180/ 365 into a decimal. Round the decimal to the nearest tenth! .49 = .50
Decimals to Percents Move over decimal twice to the right. Add a percent sign.
Example #3 • 180/ 365 into a percent. Round the percentage to the nearest tenth! 49 %= 50%
Example #4 • 19/ 25 into a percent. .76 = 76%
Percents to Decimals Move decimal to the left twice.
Example #5 • Percent 75% • Decimal- • 0.75
Decimals to Fractions Find the last place in the decimal Place the decimal over that place Reduce
Example #6 • Decimal- 0.40 • Fraction- • 40% • 2/5
Example #7 • Decimal- 0.7 • Fraction- • 70% • 7/10
Station Overview (25 mins per station) • Collaborative- (P) Conversion worksheets (Bring up for a check after page #1). • Direct- Jeopardy with Ms. Ahumibe.
Direct station • http://www.math-play.com/Fractions-Decimals-Percents-Jeopardy/fractions-decimals-percents-jeopardy.html
Exit Slip- Fractions to Decimals to Percents • Name • Date • Period
Agenda Homework-Why Did the Teacher Give One of Her Students a Button Like This One. Pg. E-15 Bring a white board marker (DUE: P.1,3,5- Mondays and Thursday. P.2,4,6- Tuesdays and Fridays)