GCF/LCM/ extra questions
What is the greatest common factor of 10 and 12?
2
The average annual temperature during the years 1971 to 2000 was -3 degrees in Alaska and 21.1 degrees in Hawaii. Describe this data compared to 0.
The average temperature in Alaska is 3 degrees below 0; the average temperature in Hawaii is 21.1 degrees above 0.
Given the ratio of 3:7, identify each equivalent expression.
12 to 28 6:21 9 to 21
10/14 15 :35 3/7
12 to 28 9 to 21 15:35 3/7
What is 30% of 255?
76.5
Megan and David played a game. Megan scored 11 points. David scored -4. Complete the comparison of their scores using a <,> or =.
11 ____ -4
11 > -4
Matt has soccer practice on May 4. He will practice every fourth day after that. Kent begins baseball practice on May 3 and continue practices every third day after that. What will be the first date on which they both have practice?
May 12th.
Students in sixth grade social studies are studying different elevations of cities in the U.S. Some cities are below, some are above and some are at sea level. Which integer represents a city that is at sea level?
0
A team played 18 games during the season. The team lost 8 games and won the rest. What is the ratio of wins to losses?
a.) 4:5 b.) 4:9 c.) 5:4 d.) 13:4
c.) 5:4
Sally has 150 apples. She plans to use 20% of them to make apple cider. How many of the apples will she use to make apple cider?
30
What is the absolute value of -144?
144
Select the expression that shows 72 + 40 using the greatest common factor times the sum of two numbers?
8 ( 9 + 5)
Select the situations that can be represented by a negative number.
a.) withdraws $20
b.) 282 feet below sea level
c.) lost 10 points.
d.) 75 degrees
e.) gain of 9 yards
a,b,c,
In a class of 31 students, there are 17 females. What is the ratio of males to females in the class?
14/17
What number goes above the 100 to make the equation true?
____ = 9%
100
9
Which situation has a unit cost of $4 per hat?
a.) 4 hats for $24
b.) 12 hats for $48
c.) $6 paid for 2 hats
d.) $4 paid for 4 hats
12 hats for $48
Pam is going to type a report that is 2000 words long. If she types 50 words per minute (wpm), about how long will it take her to type the report?
40 minutes
Order these integers from LEAST to GREATEST
1, -4, 0, 6, -2
-4, -2, 0, 1, 6
Below are the number of votes for various types of music preferred by Ms. Watson's students. What ratio reflects the votes for rock to classical music?
Rock 8 Country 15 Classical 7 Soul 20
8:7
In a school election, Jared received 76 votes, which was 40% of the total number of votes cast. What was the total number of votes cast?
190
Find the missing width.
Width Length
4 6
? 24
20 30
16
Help Lori find the unit rate for each of her party favors.
Two dozen cupcakes for $12.
48 drinks for $12.
50 balloons for $100.
8 pizzas for $32.
cupcakes = $0.50 each
drinks = $0.25 each
balloons = $ 2 each
pizzas = $ 4 each
Identify each true statement:
-20 < - 1 -15 > -31 -4 < -7 -7 < -20
2 > -10 -14 > -17 -12 < 1 -3 > -9
- 20 < -1 -15 > -31
2 > -10 - 14 > -17 - 12 < 1 -3> -9
Olivia drove 216 miles and used 6 gallons of gasoline on a recent trip. What is the unit rate of gasoline used on this trip?
36 miles/ gallon
A store sells pasta 2 boxes for $1.90. What is the price of 6 boxes?
$5.70
If Ray earns $120 for 15 hours of work, how much will he earn for 20 hours of work at the same rate?
$160