proportional relationships. is your clicker working? 12345 1.yes 2.no 3.not sure
TRANSCRIPT
Proportional Relationships
Is your clicker working?
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1. Yes2. No3. Not Sure
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Which team will win the powder puff game?
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1. Team Acosta/Zeibel
2. Team Dupre
Write the ratio in simplest form.
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32 min : 36 min
1. 8 : 92. 8 : 363. 32 : 94. 128 : 144
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43
: 8
8 :
51
43
: 51
59
: 51
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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
Fastest Responders (in seconds)
$0.15 perounce
$3.47 perounce
$28.81 perounce
$0.29 perounce
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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
Fastest Responders (in seconds)
Participant Scores
Find the unit rate. Round to the nearest tenth, if
necessary.
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344 miles in 11 hours
1. 344 miles/hour2. 3784 miles/hour3. 0.03 miles/hour4. 31.27
miles/hour
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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
Fastest Responders (in seconds)
Participant Scores
Choose an appropriate unit of measurement.
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mass of a peanut
1. kilogram2. milligram3. gram4. kilometer
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capacity of a soda can
1. gallons2. pints3. quarts4. fluid ounces
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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
Fastest Responders (in seconds)
Participant Scores
Use dimensional analysis to convert the measure.
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447 cm = ___m
1. 4.472. 44.73. 44,7004. 4,470
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38 oz = ___lb
1. 1522. 4.753. 6084. 2.38
Fastest Responders (in seconds)
Use dimensional analysis to find an equal rate. Round to
the nearest hundredth, if necessary.
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15 km/s = ___km/min
1. 9002. 0.93. 0.254. 54,000
Fastest Responders (in seconds)
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$13/min = ___$/s
1. 0.132. 7803. 7.84. 0.22
Fastest Responders (in seconds)
Participant Scores
Use compatible numbers to find a reasonable estimate.
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68 inches is about __feet.
1. 72. 83. 44. 6
Fastest Responders (in seconds)
Solve the proportion.
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1. 132. 13. 74. 16
Fastest Responders (in seconds)
$89.91 $274.07 $548.15 $179.82
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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
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A dozen apples costs $2.55. At this rate, how much would 8 apples
cost?1. $20.402. $3.833. $0.214. $1.70
Fastest Responders (in seconds)
Participant Scores
Solve the proportion. Where necessary, round to the
nearest hundredth.
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1. 1,5842. 0.083. 114. 11
Fastest Responders (in seconds)
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1. 1442. 0.443. 1.784. 36
Fastest Responders (in seconds)
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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
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1. 187.5 in.2. 12 in.3. 30 in.4. 37.5 in.
Find the value of x
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Participant Scores
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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
Fastest Responders (in seconds)
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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
Fastest Responders (in seconds)
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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.
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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.
Fastest Responders (in seconds)
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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
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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)
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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.
Fastest Responders (in seconds)
Leader Board (4 more questions)
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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
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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
Fastest Responders (in seconds)
$54.00 $60.00 $64.00 $68.00
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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
Fastest Responders (in seconds)
$5.95 $6.33 $7.20 $8.33
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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
Fastest Responders (in seconds)
Leader Board