Did you take the PSSA 6 Math Practice Test? If so, then it’s time to review your results to see where you went wrong and what areas you need to improve.
PSSA 6 Math Practice Test Answers and Explanations
1- Choice B is correct
Plug in the value of \(x\) and \(y\) and use order of operations rule. \(x=2\) and \(y=-3\)
\(5(4x-3y)-7y^2=5(4(2)-3(-3))-7(-3)^2=5(8+9)-7(9)=5(17)-63=85-63=22\)
2- Choice C is correct
For one hour he earns $18, then for t hours he earns $18t. If he wants to earn at least $78, therefor, the number of working hours multiplied by 18 must be equal to 78 or more than 78.
\(18t≥78\)
3- Choice B is correct
\((108-(3×9))÷9=9^3÷81=9\)
4- Choice B is correct
The ratio of boy to girls is 3 ∶ 5. Therefore, there are 3 boys out of 8 students. To find the answer, first divide the total number of students by 8, then multiply the result by 3.
\(240÷8=30 ⇒ 30×3=90\)
5- Choice A is correct
Probability\(=\frac{number \space of \space desired \space outcomes}{number \space of \space total \space outcomes}=\frac{9}{9+15+14+16}=\frac{9}{54}\frac{1}{6}=0.16\)
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6- Choice D is correct
Let’s compare each fraction: \(\frac{2}{3}<\frac{3}{4}<\frac{7}{9}<\frac{4}{5}\) Only choice D provides the right order.
7- Choice B is correct
Let \(y\) be the width of the rectangle. Then; \(14×y=84→y=\frac{84}{16}=6\)
8- Choice B is correct
\(4×\frac{5}{16}=\frac{20}{16}=1.25\)
A. \(1.25>2\)
B. \(1<1.25<2\) This is the answer!
C. \(\frac{3}{8}=1.25\)
D. \(1.25=2^2\)
9- Choice B is correct
In any rectangle, The measure of the sum of all the angles equals \(180^\circ\).
10- Choice C is correct
\(\frac{824}{17}=48.5\)
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11- The answer is \(7^2\).
\(588=2^2×3^1×7^2\)
12- Choice B is correct
The area of the trapezoid is: Area \(=\frac{base \space 1+base \space 2}{2}×height=\frac{12+10}{2}x=A→ 11x=A→x=\frac{A}{11}\)
13- Choice B is correct
\(\frac{72}{8}=9, \frac{648}{72}=9, \frac{5,832}{648}=9\), Therefore, the factor is 9.
14- Choice C is correct
Simplify each option provided.
A. \(13-(3×6)+(7×(-6))=13-18+(-42)=-5-42=-47\)
B. \((\frac{25}{400})+(\frac{7}{50})=\frac{25}{400}+\frac{56}{400}=\frac{81}{400}\)
C. \(((22×\frac{30}{6})-(7×\frac{144}{12}))×\frac{18}{2}=(110-84)×9=26×9=234\) (this is the answer)
D. \((\frac{6}{24}+\frac{12}{33})-50=(\frac{1}{4}+\frac{1}{3})-50=(\frac{3}{12}+\frac{4}{12})-50=\frac{7}{12}-50=\frac{-593}{15}\)
15- Choice D is correct
To find the discount, multiply the number (\(100\%\)- rate of discount)
Therefore; \(450(100\%-16\%)=450(1-0.16)=450-(450×0.16)\)
16- Choice A is correct
1,400 out of 11,900 equals to \(\frac{1,400}{11,900}=\frac{200}{1,700}=\frac{2}{17}\)
17- Choice C is correct
The opposite of Nicolas’s integer is \(25\). So, the integer is \(-25\). The absolute value of \(25\) is also \(25\).
18- Choice B is correct
Volume of a box = length × width × height = 7 × 4 × 12 = 336
19- Choice C is correct
1 yard = 3 feet, Therefore, \(33,759 ft×\frac{1 \space yd}{3 \space ft}=11,253\) yd
20- Choice B is correct
\(16\%\) of the volume of the solution is alcohol. Let \(x\) be the volume of the solution.
Then: \(16\%\) of \(x=38\) ml ⇒ \(0.16x=38 ⇒ x=38÷0.16=237.5\)
