1. Fractions --> Decimals2 11
To change a fraction to a decimal number, =
.18
 Divide to find the decimal equivalent 1 8 1 8
* ‘top dog’ goes in the house… ) 11 2
* ‘decimal, decimal, zero, zero, zero’ 2
 noticing a pattern? 11
How do you show repeating
decimals? 9 88 2 11 9

2. Decimals --> Fractions
0.84
To change a decimal to a fraction,
1. Read it
“Eighty four hundredths” 84
100 21 25
÷ 4 =
÷ 4
2. Write it
3. Reduce it
2.005
1. Read it
“Two
and five thousandths” 5
1000
÷ 5 1
200 2 = 2
÷ 5
2. Write it
3. Reduce it

3. Fractions --> Percents
To change a fraction to a percent, 7 20
• 5 35
35% = =
1. Check the denominator.
• 5
100
* Can it be changed to 100?
yes
2. Rewrite the fraction with a
denominator of 100.
216
300
÷ 3 72
72% = =
÷ 3
100
3. Write it as a percent.
What if the denominator can’t be changed to 100? 3 7 =
3 ÷ 7
0.4285…
a. Divide
42.85 %
Change to a percent
* slide the decimal 2 to the right
42.9%
c. Slap a percent sign on it.
d. Round to the nearest tenth.

4. Percents --> Fractions2 25 8% 8
100
÷ 4 =
To change a percent to a fraction,
Re-write the percent as a
fraction over 100 11 4
275%
275
100
÷ 25 =
2. Simplify. 9_
250
*If there’s a decimal, move it to the end.
3.6%
3.6
100
36_
1000
÷ 4 = =
… but, what you do to the numerator.. •
… you also do to the denominator

5. Decimal <--> Percents
From a to a
0.13
= .13 =
13%
…move the decimal 2 spaces to the right.
90%
0.9
= .9 =
0.0027
= 0.27 =
0.27% 13 00
= 1300 =
1300% •
PERCENT
DECIMAL
From a to a
0.78
=78 =
78% •
…move the decimal 2 spaces to the left.
0.05
= 5 = 5%
1.75
= 175 =
175% =
0.0008% • •

6. Modeling Fractions, Decimals & Percents.

8. Modeling Fractions, Decimals & Percents.

9. Modeling Fractions, Decimals & Percents.