Answers
In this figure, angle POS measures 90°. What is the measure of angle ROQ?
a. 45°
b. 90°
c. 180°
d. 270°
e. 360° - ✔️ b. PQ and RS are intersecting lines. The fact
that angle POS is a 90-degree angle means
that PQ and RS are perpendicular,
indicating that all the angles formed by
their intersection, including ROQ, measure
90 degrees.
4 1/5 + 1 2/5 + 3 3/10
a. 8 9/10
b. 9 1/10
c. 8 4/5
d. 8 6/15
e. 9 5/10 - ✔️ a. Incorrect answers include adding both the
numerator and the denominator and not
converting fifths to tenths properly.
3/4 is equal to
a. 0.25
b. 0.30
c. 0.34
d. 0.50
e. 0.75 - ✔️ e. To convert a fraction to a decimal, divide
the numerator, 3, by the denominator, 4.
3 ÷ 4 = 0.75.
76 1/2 + 11 5/6 =
a. 87 1/2
b. 88 1/3
c. 88 2/3
d. 88 5/6
, e. 89 - ✔️ b. The correct answer is 88 1/3.
What is the decimal equivalent of 1/6 rounded to the nearest thousandth?
a. 0.165
b. 0.666
c. 0.123
d. 0.167
e. 0.176 - ✔️ d. Divide the numerator by the denominator:
1 ÷ 6 = 0.166667. Round the answer to the
thousandths place (three decimal places) to
get the answer 0.167.
1/6 + 7/12 + 2/3 =
a. 10/24
b. 2 1/6
c. 1 5/6
d. 1 5/12
e. 2 5/6 - ✔️ d. You have to convert all three fractions to
twelfths before adding them.
Which of the following is equivalent to
202,436?
a. 20,000 + 2,000 + 400 + 30 + 6
b. 2,000 + 40 + 300 + 6
c. 200,000 + 2,000 + 400 + 30 + 6
d. 200,000 + 2,000 + 4,000 + 300 + 6
e. 200,000 + 12,000 + 4,000 + 300 + 6 - ✔️ c. Choice a totals 22,436;
choice b totals 2,346; choice d totals 206,306, and choice e totals 216,306.
What are the missing integers on this number line?
a. -4 and 1
b. -6 and 1
c. -6 and -1
d. 4 and 9
e. 5 and 8 - ✔️ a. The first box is one greater than -5; the
second is one greater than 0.
1 1/2 is equal to
a. 0.50