Converting Fractions, Decimals, and Percentages

Week 12

DO NOW (3 mins)PKB (Prior Knowledge Box)Topic: Fractions

to Decimals to Percents

Misconceptions

Complete this side only. List anything that you know about the above topic.

Copy everything in RED OR

STANDARD- 7N.S. 1.3 Convert 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

1.Divide the numerator by the denominator. (little dog in the house/ big dog outside.)

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5/8 into a decimal.

0.62562.5%

Example #1

9

Convert 180/ 365 into a decimal.

Round the decimal to the nearest tenth!

Example #2

.49 = .50

Decimals to Percents

1.Move over decimal twice to the right.

2.Add a percent sign.

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180/ 365 into a percent.

Round the percentage to the nearest tenth!

Example #3

49 %= 50%

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19/ 25 into a percent. Example #4

.76 = 76%

Percents to Decimals

1.Move decimal to the left twice.

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•Percent 75%•Decimal-

•0.75

Example #5

Decimals to Fractions

1. Find the last place in the decimal

2. Place the decimal over that place

3.Reduce

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Example #6• Decimal- 0.40•Fraction-

•40%•2/5

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Example #7•Decimal- 0.7•Fraction-

•70%•7/10

Prior Knowledge Box (PKB)Topic: fractions to decimals to percents

Misconceptions

What did you think you knew but you found out was a misconception? If you didn’t have any prior knowledge, what did you learn/ review today?

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

So what does it look like on the CAHSEE?

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)