1. CS 3.2: Measuring to the Unit – Measurement Conversions
Learning Target: I can use proportional relationships to solve conversion problems.
Homework:
1) Finish the Socrative Exit Ticket #3 2) Complete all pages in the Investigation 3 Packet
* Comparing and Scaling UNIT TEST – Tues, Jan 12 *
Warm Up: Begin CS 3.2 p. 13

2. A.
12 beads
5 in. =
x beads
1 ft. =
12 beads
5 in. =
x beads
1 in. =
2.4 beads/in.
2.4 beads
1 in. =
x beads
1 ft. =
28.8 beads/ft.

3. A.
12 beads
5 in. =
x beads
1 ft. =
12 beads
5 in. =
x beads
1 in. =
2.4 beads/in.
28.8 beads/ft.

4. B. 12 beads 5 in. = 50 beads x cm. = 12 beads 5 in. = 2.4 beads 1 in.
(Note: 1 inch = 2.5 centimeters)
12 beads
5 in. =
50 beads
x cm. =
12 beads
5 in. =
2.4 beads
1 in. =
50 beads
x in. = in
50 beads
in. =
50 beads
x cm. =
52 and 1/12 cm.

5. B. 12 beads 5 in. = 50 beads x cm. = 20.083 in 12 beads 5 in. =
(Note: 1 inch = 2.5 centimeters)
12 beads
5 in. =
50 beads
x cm. = in
12 beads
5 in. =
2.4 beads
1 in. =

6. C.
.𝟕𝟓 𝒎𝒊𝒍𝒆𝒔 𝟏𝟓 𝒎𝒊𝒏𝒔.
𝒙 𝒎𝒊𝒍𝒆𝒔 𝟖𝟎 𝒎𝒊𝒏𝒔. =
x = 4 miles

7. C.
x = 4 miles

8. Find a unit rate? =
.75 mi.
.25 hrs.
x mi.
hr. = =
.75 mi.
.25 hrs.
3 mi.
1 hr. =
4 mi.
hr. =
4 mi.

9. Find a unit rate? = .75 mi. .25 hrs. x mi. hr. = = .75 mi. .25 hrs.
D. Can you make sense of these strategies for solving problem C?
Sean writes the expression: 𝟑 𝟒 ÷ 𝟏 𝟒 and completes the division. What information does this expression give Sean?
Find a unit rate? =
.75 mi.
.25 hrs.
x mi.
hr. = =
.75 mi.
.25 hrs.
3 mi.
1 hr. =
4 mi.
hr. =
4 mi.

10. C.

11. C.

12. E. Allen runs 8 miles in 3 hours at a steady pace.
How long does it take him to run 3 miles?
(Give your answer in minutes.)

13. F. Maren walks 3/5 mile in 24 minutes at a steady pace
F. Maren walks 3/5 mile in 24 minutes at a steady pace. How long does it take her to walk 2 miles?
(Give your answer in minutes.)

14. G. Half an avocado has about 160 calories
G. Half an avocado has about 160 calories. How many calories do a dozen avocados have?

15. H. There are about 1.5 grams of fat in 1 T. of hummus.
How many grams of fat are in 2.5 cups of hummus?
(Note: 16 tablespoons = 1 cup)

16. I. How many ounces are in 10 ½ pounds?
J. How many cups are in 55 gallons?

17. K. For each problem below,
describe what value x represents and then solve for x.

18. L. Challenge: Solve each proportion for x:

19. Socrative Exit Ticket #3
Homework:
1) Finish the Socrative Exit Ticket #3 2) Complete all pages in the Investigation 3 Packet
* Comparing and Scaling UNIT TEST – Tues, Jan 12 *

22. 3.125 mi. Find a unit rate? = 5 mi. 2 hrs. x mi. 1 hr. 15 min. =

23. 128 gr. fat = 8 gr. fat 1 cup x gr. fat 1 Gallon = = x gr. fat 16 cups
Unit rate!
Different
Unit rate!

24. 3 lawns
2/3 tank
x lawns
1 tank = =
4.5 one-acre lawns

25. 276 cal.
6 oz.
x cal.
1 pound =
x cal.
1 oz. = =
46 cal./oz.
46 cal.
1 oz. =
736 cal.
16 oz. =
736 cal.
1 lb. =
736 cal./lb.

26. C.