CBEST Math Exam Questions and
Formulas
Karen's average score for two tests is 90. What score must Karen earn on a third test to
raise her average to 92. - ANS-96
Linda is buying a remnant of fabric that is marked $12.00 but there is a sale at the fabric
store and everything is 30% off. How much will the remnant cost? - ANS-$8.40
If 1 mile is equivalent to 1.6 km, them 10 km is equivalent to... - ANS-6.25
There are 16 ounces in 1 pound. If 30 ounces of coffee beans are removed from a 5-
pound bag of coffee beans, the new weight of the bag of coffee beans is... - ANS-50
ounces
If you increase the perimeter of a square by 50%, you increase its area by... - ANS-
125%
Jane started her stamp collection exactly one year ago, and in that time. She has
collected 132 stamps. On average, how many stamps has she collected per month? -
ANS-11 stamps
If Melanie can complete 6 forms in 15 minutes, how long will it take her to complete 30
forms? - ANS-75 minutes
Among 10 playing cards, 2 are spades, 1 is a heart, 3 are diamonds, and the rest are
clubs. What is the probability of randomly selecting a card that is a club? - ANS-2/5
Of 27 animals at the zoo, 15 are monkeys. Which of the following fractions expresses
the ratio of monkeys to all other animals at the zoo? - ANS-5:4
There are 8,751 students in the school district and 832 teachers and administrators.
How many more students are there than teachers and administrators? - ANS-7,919
3.98 x 0.72= - ANS-2.8656
3.8-0.38= - ANS-3.42
A teacher assessed the performance of her class of 15 students on a particular
assignment and note the following grades:
{94,71,68,83,80,86,76,86,91,97,88,77,85,70,78} What is the MEDIAN score? - ANS-83
Formulas
Karen's average score for two tests is 90. What score must Karen earn on a third test to
raise her average to 92. - ANS-96
Linda is buying a remnant of fabric that is marked $12.00 but there is a sale at the fabric
store and everything is 30% off. How much will the remnant cost? - ANS-$8.40
If 1 mile is equivalent to 1.6 km, them 10 km is equivalent to... - ANS-6.25
There are 16 ounces in 1 pound. If 30 ounces of coffee beans are removed from a 5-
pound bag of coffee beans, the new weight of the bag of coffee beans is... - ANS-50
ounces
If you increase the perimeter of a square by 50%, you increase its area by... - ANS-
125%
Jane started her stamp collection exactly one year ago, and in that time. She has
collected 132 stamps. On average, how many stamps has she collected per month? -
ANS-11 stamps
If Melanie can complete 6 forms in 15 minutes, how long will it take her to complete 30
forms? - ANS-75 minutes
Among 10 playing cards, 2 are spades, 1 is a heart, 3 are diamonds, and the rest are
clubs. What is the probability of randomly selecting a card that is a club? - ANS-2/5
Of 27 animals at the zoo, 15 are monkeys. Which of the following fractions expresses
the ratio of monkeys to all other animals at the zoo? - ANS-5:4
There are 8,751 students in the school district and 832 teachers and administrators.
How many more students are there than teachers and administrators? - ANS-7,919
3.98 x 0.72= - ANS-2.8656
3.8-0.38= - ANS-3.42
A teacher assessed the performance of her class of 15 students on a particular
assignment and note the following grades:
{94,71,68,83,80,86,76,86,91,97,88,77,85,70,78} What is the MEDIAN score? - ANS-83
