Decimals and Fractions
What decimal is equivalent to the fraction 1/2?
0.5
What value of x makes the equation x + 7 = 12 true?
5
What is 50% of 80?
Answer: 40
How many sides does a triangle have?
3
What measure of center is found by adding all values and dividing by the number of values?
Answer: Mean (or average)
In Roman numerals, what does the letter "C" represent?
Answer: 100
What fraction in lowest terms equals 6/8?
Answer: 3/4
What inequality symbol goes in the blank: 8 ___ 3x when x = 2?
> (greater than)
What is 15% of 200?
Answer: 30
What is the perimeter of a rectangle with length 8 and width 5?
26
What is the range of the data set: 12, 8, 15, 10, 20, 6?
Answer: 14
What is the name of the longest side of a right triangle?
Answer: Hypotenuse
What is a term describing a number consisting of an integer and a proper fraction?
Mixed number
What is the numerical or constant quantity placed before and multiplying the variable in an algebraic expression?
Coefficient
If a $40 item is marked down 25%, what is the sale price?
Answer: $30
How many pairs of parallel sides does a trapezoid have?
1 pair
If the mean of five test scores is 84, what is the sum of all five scores?
Answer: 420
What is the largest organ in the human body?
Skin
What is the value of 3.2 × 1.25?
4
What is the value of y in the equation 2y - 4 = 10?
7
A recipe calls for 3 cups of flour to make 24 cookies. How many cups of flour are needed to make 40 cookies?
Answer: 5 cups
What is the formula for the surface area of a cube?
6s2
What is the interquartile range (IQR) for the data set: 5, 8, 12, 15, 18, 22, 25?
Answer: 10 (Q3 = 20, Q1 = 10)
What is the phone number for IS187?
(718) 236-3394
What is the result of 3¾ - 1⅔?
Answer: 2 1/12
What are all the whole number solutions to the inequality 2x + 3 < 11?
Answer: 0, 1, 2, and 3
A store offers a 20% discount, then adds 8% sales tax to the discounted price. What is the final cost of a $50 item?
Answer: $43.20
A rectangular garden has a perimeter of 48 feet and a length that is 4 feet more than twice its width. What is the area of the garden?
Answer: 128 square feet
For the data set representing hours of sleep per night: 7, 8, 7.5, 8, 7, 8.5, 7, 8, 15, which measure of center (mean or median) and which measure of variability (range or IQR) best represent this data?
Answer: Median and IQR (because the outlier 15 skews the mean and inflates the range)
NIA Community Services Network is the afterschool program at IS187. What does NIA stand for?
Neighborhood Improvement Association