TABE Math Computations Practice Test 2

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234 x 4 = ?

Correct! Wrong!

7 x -4 = ?

Correct! Wrong!

20.159 + 0.52 = ?

Correct! Wrong!

The answer is 20.679. Make sure to line up the decimal points before adding.

5^3 = ?

Correct! Wrong!

Answer is 5 x 5 x 5 = 125, so none of the shown answers is correct

7/10 + 4/10 = ?

Correct! Wrong!

When adding fractions that have the same denominator (the number on the bottom), you simply add the numerators together and keep the denominator the same. So 7/10 + 4/10 = (7+4)/10 = 11/10 which is the same as 1 1/10

15% of 40 = ?

Correct! Wrong!

15% is equivalent to 15/100 or 0.15. You find 15% of 40 by multiplying 40 x .15 = 6

Solve for y. -2y = 8

Correct! Wrong!

Divide both sides of the equation by -2 to get the y variable by itself, this will yield the equation y = -4.

-7 - 4 = ?

Correct! Wrong!

1.535 รท 5 = ?

Correct! Wrong!

7y + y = ?

Correct! Wrong!

When adding or subtracting equations with variables, you keep the variable as a unit. Think of the variable y as "apples", then the equation becomes 7 apples + 1 apple = 8 apples (or 8y)

25% off a shirt with a $500 price tag. The shirt is further discounted by 15% after a month. Which of the subsequent expressions can be used to calculate the shirt's selling price?

Correct! Wrong!

Multiply the amount by (100% - rate of discount) to determine the discount.
Thus, the first discount we get is as follows: (500)(100% โ€“ 25%) = (500)(0.75)
For the following 15% discount: (500)(0.75) (0.85)

Which of the following points is on the equation 3x+5y=7 line?

Correct! Wrong!

Plug in each pair of numbers in the equation: 3๐‘ฅ+5๐‘ฆ=7
(โ€“2,2):3(โ€“2)+5(2)=4
(2,2):3(2)+5(2)=16
(2,1):3(2)+5(1)=11
(โ€“1,2):3(โ€“1)+5(2)=7
Choice D is correct.

8๐‘Ž๐‘โˆ’5๐‘Ž๐‘= ?

Correct! Wrong!

8๐‘Ž๐‘โˆ’5๐‘Ž๐‘=3๐‘Ž๐‘

8% of ___ =64

Correct! Wrong!

8/100ร—๐‘ฅ= 64
8๐‘ฅ/100= 64,
๐‘ฅ=6400/8= 800

17โˆ’(โˆ’12)=

Correct! Wrong!

50% ๐‘œ๐‘“ 30=

Correct! Wrong!