Integers
Which of the following is not an integer?
1, 19, -20, 21.9
21.9
What is 1/4 written in decimal form?
0.25
What is the simplest form of 5/30?
1/6
If you get 93 questions right on a 100-question exam. What percent did you earn?
93%
In your pencil case you have 12 pencils and 5 erasers.
What is the ratio of erasers to pencils?
5 : 12
x/2 = 4/8
x = 1
Evaluate. -8 + 10
2
A restaurant bill is $62.32. What is the total cost if you tip $13.50?
$75.82
Fill in the blank with the correct fraction.
10 ÷ 2 = 5 and _____ of 10 = 5.
1/2
What is 50% of 40
20
A teacher has 6 red markers, 4 blue markers, 3 green markers, and 7 black markers.
What is the ratio of black markers to the total number of markers.
7 : 20
Solve for y.
8/y=3/6
y = 16
Evaluate. -2 x 11 + 5
-17
You throw a shotput 18.2 ft and then 21.6 ft. What is the distance between your two throws?
3.4 ft
Explain why 1/3 and 2/5 cannot be added or subtracted in their current form.
You must first achieve a common denominator
What percent of 82 is 24.6? You may use a calculator
30%
You can buy a dozen apples for $24.80.
How much does each apple cost?
$2.07
98% of toys are not defective in some way. If 200 toys are produced by a company, how many toys would you expect to be defective?
4 toys
A diver goes down 10 ft, up 3 ft, and then down 21 ft. Write an expression that could be used to find the diver's current distance below the surface.
-10 + 3 - 21
Evaluate 0.25 x 2.1 by hand
0.525
Evaluate. 2/3 x 5/10
Write your answer in simplest form.
Samantha has a collection of license plates. 20% are from the Midwest, 34% are from the East Coast, and 16% are from West Coast. The rest of the license plates are from the South. If she has 40 license plates, how many are from Southern States?
12 license plates
What is the average speed of a motorcycle that travels 180 miles in 3 hours?
60 miles per hour
A triangle has a base of 4 in and a height of 7 in.
Riki wants to make a similar triangle with a base of 20 in. What should be the height?
35 in
Simplify the expression by distributing and combining like-terms:
-3(2x + 1) - 5x + 18
-11x + 15
16.2 m of ribbon is cut into 0.3 m sections. How many pieces of ribbon can you make?
54 pieces of ribbon
Rewrite 4/7 ÷ 2/3 as a multiplication problem
4/7 x 3/2
What is the definition of a percent?
A number divided by 100.
Sam wraps 48 presents in 4 hours. Lin wraps 22 presents in 2 hours. What is the difference in the number of presents they wrap in 3 hours.
Sam: 12 presents per hour = 36 presents in 3 hours
Lin: 11 presents per hour = 33 presents in 3 hours
3 presents
A 6-foot-tall man casts a 3.5 ft shadow on a sunny day. A nearby cottonwood tree casts an 8.6 ft shadow. Use this information to find the height of the cottonwood tree, round to the nearest foot.
About 15 ft