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