POD
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PODGraham is shopping for pens for school, and sees that a store is offering 12 for $3.25 or 18 for $4.38. Which is the better buy?
Cole can bike 24 miles in 48 minutes. How many miles per minute does he bike?
Cole can bike 0.5 miles per minute
The 18 pack of pens is the better buy.
1-2 Complex Fractionsand Unit Rates
Complex fractions are fractions with a numerator, denominator, or both that are also fractions.
142
Ex:
14
2
I do Ex: simplify
Recall that a fraction can also be written as a division problem
1 4
÷ 2=
= 1 4
2 1
=
÷
1 4 × 1
2=
1 8
We do Simplify:
112
= 2a.
b. 23
2= 3
Cole can jog 1 1/3 miles in ¼ hour. Find his average speed in miles per hour.
I do:
See chalkboard
Graham is painting his house. He paints 34 ½ square feet in ¾ hour. At this rate, how many square feet can he paint each hour?
Graham can paint 46 square feet per hour
We do:
Write each percent as a fraction in simplest form
24 ⅘%
I do:
See chalkboard
Write each percent as a fraction in simplest form
12 ⅔%
19150
we do:
453
a. 236
4b. 415=
7 9
=
Whiteboard Time:
Gracie is spreading mulch in her yard. She spreads 4⅔ square yards in 2 hours. How many square yards can she mulch per hour?
2⅓ square yards per hour
Cole can walk 4½ miles in 1½ hours. Find his average speed in miles per hour.
3 miles per hour
Now let’s try some on our own:Pg. 21-22 worksheet
PODSimplify
3¼ ÷ 2½
54⅙%basic Advanced