Proportional Relationships. Is your clicker working? 12345 1.Yes 2.No 3.Not Sure.

Proportional Relationships

Is your clicker working?

1 2 3 4 5

0% 0%0%

1. Yes2. No3. Not Sure

Fastest Responders (in seconds)

Which team will win the powder puff game?

1 2 3 4 5

0%0%

1. Team Acosta/Zeibel

2. Team Dupre

Write the ratio in simplest form.

0% 0%0%0%

1 2 3 4 5

32 min : 36 min

1. 8 : 92. 8 : 363. 32 : 94. 128 : 144

43

: 8

8 :

51

43

: 51

59

: 51

0% 0%0%0%

1 2 3 4 5

Marie saved $51. On Wednesday, she spent $8 of her savings. What ratio represents the portion of her total savings that she still has

left?

1. 43 : 82. 8 : 513. 43 : 514. 59 : 51

$0.15 perounce

$3.47 perounce

$28.81 perounce

$0.29 perounce

0% 0%0%0%

1 2 3 4 5

The price of 8.4 ounces of crackers is $2.42. What is the unit price? Round

your answer to the nearest cent.1. $0.15 per

ounce2. $3.47 per

ounce3. $28.81 per

ounce4. $0.29 per

ounce

Participant Scores

Find the unit rate. Round to the nearest tenth, if

necessary.

0% 0%0%0%

1 2 3 4 5

344 miles in 11 hours

1. 344 miles/hour2. 3784 miles/hour3. 0.03 miles/hour4. 31.27

miles/hour

0% 0%0%0%

1 2 3 4 5

In 10 months, 62.6 gallons were used.

1. 0.16 gallons/month

2. 10 gallons/month

3. 6.3 gallons/month

4. 626 gallons/month

Participant Scores

Choose an appropriate unit of measurement.

0% 0%0%0%

1 2 3 4 5

mass of a peanut

1. kilogram2. milligram3. gram4. kilometer

0% 0%0%0%

1 2 3 4 5

capacity of a soda can

1. gallons2. pints3. quarts4. fluid ounces

0% 0%0%0%

1 2 3 4 5

Janie can type 5,349 words in one hour. Convert this rate to words per

minute.

1. 32,094 words per minute

2. 320,940 words per minute

3. 89.2 words per minute

4. 891.5 words per minute

Participant Scores

Use dimensional analysis to convert the measure.

0% 0%0%0%

1 2 3 4 5

447 cm = ___m

1. 4.472. 44.73. 44,7004. 4,470

0% 0%0%0%

1 2 3 4 5

38 oz = ___lb

1. 1522. 4.753. 6084. 2.38

Use dimensional analysis to find an equal rate. Round to

the nearest hundredth, if necessary.

0% 0%0%0%

1 2 3 4 5

15 km/s = ___km/min

1. 9002. 0.93. 0.254. 54,000

0% 0%0%0%

1 2 3 4 5

$13/min = ___$/s

1. 0.132. 7803. 7.84. 0.22

Participant Scores

Use compatible numbers to find a reasonable estimate.

0% 0%0%0%

1 2 3 4 5

68 inches is about __feet.

1. 72. 83. 44. 6

Solve the proportion.

1 2 3 4 5

0% 0%0%0%

1. 132. 13. 74. 16

$89.91 $274.07 $548.15 $179.82

0% 0%0%0%

1 2 3 4 5

On a recent day, one U.S. dollar was worth 0.81 euros. If you were to exchange 222 euros, how many U.S. dollars would you

receive?

1. $89.912. $274.073. $548.154. $179.82

Participant Scores

$20.40 $3.83 $0.21 $1.70

0% 0%0%0%

1 2 3 4 5

A dozen apples costs $2.55. At this rate, how much would 8 apples

cost?1. $20.402. $3.833. $0.214. $1.70

Participant Scores

Solve the proportion. Where necessary, round to the

nearest hundredth.

0% 0%0%0%

1 2 3 4 5

1. 1,5842. 0.083. 114. 11

0% 0%0%0%

1 2 3 4 5

1. 1442. 0.443. 1.784. 36

0% 0%0%0%

1 2 3 4 5

Sarah’s mother has a miniature village modeled after her home town. The model is 10 feet long and 7 feet wide. The actual village is 7 miles long. What is the village’s actual width? If necessary, round to

the nearest tenth of1. 4.9 miles2. 10 miles3. 1 miles4. 0.7 miles

0% 0%0%0%

1 2 3 4 5

1. 187.5 in.2. 12 in.3. 30 in.4. 37.5 in.

Find the value of x

Participant Scores

0% 0%0%0%

1 2 3 4 5

The scale of a map is 1 in. : 75 mi. How many actual miles does 0.85 inch

represent?1. 88.2 miles2. 63.75 miles3. 95.6 miles4. 4,781.3 miles

0% 0%0%0%

1 2 3 4 5

A building casts a shadow 100 m long. At the same time, a nearby pole 4 m high casts a shadow 8 m

long. What is the height of the building? Round your answer to the nearest tenth, if nearest tenth if

needed.1. 200 m2. 0.5 m3. 50 m4. 800 m

0% 0%0%0%

1 2 3 4 5

Standing next to each other, a woman who is 70 inches tall and her son cast shadows that are 47 inches and 33 inches, respectively. What is the

height of the son, to the nearest inch?

1. 47 in.2. 33 in.3. 49 in.4. 22 in.

0% 0%0%0%

1 2 3 4 5

The area of a square is 131 sq in. What is the approximate perimeter of the

square?

1. 45.8 in.2. 39.5 in.3. 11.4 in.4. 14.8 in.

0% 0%0%0%

1 2 3 4 5

The distance from Pluto’s orbit to the Sun is an average of about 3.7 10 miles. What

is this number in standard form?

1. 370,000,0002. 3,700,000,0003. 37,000,000,0004. 370,000,000,00

0

0% 0%0%0%

1 2 3 4 5

Jada bought 2 yards of cloth that cost $3.69 per yard, 4 yards of trim that cost $4.25 per yard, and a spool of thread that

cost $2.50. Which expression can be used to find the cost of her purchases?

1. 2(3.69) + 4(4.25) + 2.50

2. 3.69 + 4.25 + 2.50

3. 2(3.69 + 4.25 + 2.50)

4. (2 + 4)(3.69 + 4.25 + 2.50)

0% 0%0%0%

1 2 3 4 5

Mon.

Tues. Wed. Thur. Fri.

0.75 0.62 0.48 0.38 0.85

The table shows the rainfall in Seattle, Washington, for 5 days in November. Find the average

rainfall for these 5 days.

1. 0.62 in.2. 0.77 in.3. 2.02 in.4. 3.08 in.

Leader Board (4 more questions)

0% 0%0%0%

1 2 3 4 5

Maria’s Picnic Punch recipe makes 252 ounces of punch and is orange juice, cranberry juice, and ginger ale. How many ounces of cranberry juice does Maria need?

1. 42 ounces2. 84 ounces3. 102 ounces4. 126 ounces

0% 0%0%0%

1 2 3 4 5

Zoe has 25 yards of dental floss. She uses 18 inches to floss her teeth and 3 yards for a craft project. How much dental floss does Zoe have

left? (There are 36 inches in 1 yard)

1. 4 yd2. 12 yd3. 18.5 yd4. 21.5 yd

$54.00 $60.00 $64.00 $68.00

0% 0%0%0%

1 2 3 4 5

Joshua bought 3 CDs for $17.99 each. The sales tax was 8.75%.What is the best estimate for the

amount that Joshua paid?

1. $54.002. $60.003. $64.004. $68.00

$5.95 $6.33 $7.20 $8.33

0% 0%0%0%

1 2 3 4 5

Matthew mowed 4 lawns this week and paid $4.76 for gas. How much can Matthew expect to pay for

gas if he mows 7 lawns this week?

1. $5.952. $6.333. $7.204. $8.33

Leader Board

Proportional Relationships. Is your clicker working? 12345 1.Yes 2.No 3.Not Sure.

Documents

Transcript of Proportional Relationships. Is your clicker working? 12345 1.Yes 2.No 3.Not Sure.