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 ID: 735092
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Slide1
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. 13Slide2
12 beads
5 in.
=
x beads
1 ft.
=
x beads
1 in.
=
2.4 beads/in.
12 beads
5 in.
=
x beads
1 ft.
=
2.4 beads
1 in.
=
28.8 beads/ft.
A
.Slide3
12 beads
5 in.
=
x beads
1 ft.
=
x beads
1 in.
=
2.4 beads/in.
12 beads
5 in.
=
28.8 beads/ft.
A
.Slide4
12 beads
5 in.
=
50 beads
x cm.
=
12 beads
5 in.
=
2.4 beads
1 in.
=
50 beads
x
in.
=
20.083 in
50 beads
20.083 in.
=
50 beads
x cm.
=
52 and 1/12 cm.
B.
(Note: 1 inch = 2.5 centimeters)Slide5
12 beads
5 in.
=
50 beads
x cm.
=
12 beads
5 in.
=
2.4 beads
1 in.
=
20.083 in
B.
(Note: 1 inch = 2.5 centimeters)Slide6
C.
=
x
= 4 milesSlide7
C.
x
= 4 milesSlide8
=
.75 mi.
.25 hrs.
x mi.
hr.
=
Find a unit rate?
=
.75 mi.
.25 hrs.
3 mi.
1 hr.
=
4 mi.
hr.
=
4 mi.Slide9
D. Can
you make sense of these strategies for solving problem C?
Sean writes the expression:
÷
and completes the division. What information does this expression give Sean?
=
.75 mi.
.25 hrs.
x mi.
hr.
=
Find a unit rate?
=
.75 mi.
.25 hrs.
3 mi.
1 hr.
=
4 mi.
hr.
=
4 mi.Slide10
C.Slide11
C.Slide12
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.)Slide13
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.)
Slide14
G. Half
an avocado has about 160 calories. How many calories do a dozen avocados have?Slide15
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)Slide16
I. How
many ounces are in 10 ½ pounds?
J. How many cups are in 55 gallons? Slide17
K. For each problem below,
describe
what value x represents and then
solve
for x.Slide18
L. Challenge
: Solve each proportion for x:
Slide19
Homework
: 1) Finish the Socrative Exit Ticket #32) Complete all pages in the Investigation 3 Packet
* Comparing and Scaling UNIT TEST – Tues, Jan 12 *
Socrative Exit Ticket #3Slide20Slide21Slide22
=
5 mi.
2 hrs.
Find a unit rate?
x mi.
1 hr. 15 min.
=
1.25 hrs.
=
5 mi.
2 hrs.
x mi.
1 hr.
=
2.5 mi.
1 hr.
=
x mi.
1.25 hr.
=
3.125 mi.Slide23
=
8 gr. fat
1 cup
x gr. fat
1 Gallon
=
=
x gr. f
at
16 cups
U
nit rate!
128 gr. fat
Different
Unit rate!Slide24
=
3 lawns
2/3 tank
x
lawns
1
tank
=
4.5 one-acre lawnsSlide25
=
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.Slide26
C.