TEAS Test Math Prep

Questions 45

ATI TEAS 7

ATI TEAS 7 Test Bank

TEAS Test Math Prep Questions

Question 1 of 5

The value of 6 x 12 is the same as:

Correct Answer: A

Rationale: The correct answer is A: 2 x 4 x 4 x 2. To find the value of 6 x 12, we can break it down into simpler multiplication. 6 x 12 = 6 x (4 x 3) = (2 x 3) x (4 x 3) = 2 x 4 x 4 x 2. This shows that the value of 6 x 12 is indeed equal to 2 x 4 x 4 x 2. Explanation for why other choices are incorrect: B: 7 x 4 x 3 does not equal 6 x 12. C: 6 x 6 x 3 equals 108, not 72 (6 x 12). D: 3 x 3 x 4 x 2 equals 72, but the order of multiplication is not the same as in 6 x 12, making it incorrect.

Question 2 of 5

Which measure for the center of a small sample set would be most affected by outliers?

Correct Answer: A

Rationale: The correct answer is A: Mean. The mean is calculated by summing all values and dividing by the number of values. Outliers can significantly skew the mean because they have a greater impact on the total sum. The median (B) is less affected by outliers since it is the middle value when data is sorted. The mode (C) is the most frequent value and is not affected by outliers. Choice D is incorrect as outliers can impact the mean in a small sample set.

Question 3 of 5

What score must Dwayne get on his next math test to maintain an overall average of at least 90?

Correct Answer: B

Rationale: To maintain an overall average of at least 90, Dwayne needs to aim for the highest possible score. If he scores 98 on his next test, it will help balance any lower scores he may have received previously and ensure his average remains above 90. Choosing option B (98) is the best strategy as it allows for a margin of error while still meeting the target average. Options A, C, and D would not guarantee maintaining the required average as they are below 90.

Question 4 of 5

If Sarah reads at an average rate of 21 pages in four nights, how long will it take her to read 140 pages?

Correct Answer: D

Rationale: To find the number of nights Sarah needs to read 140 pages, we first calculate her rate: 21 pages / 4 nights = 5.25 pages/night. Then, we divide 140 pages by her rate: 140 pages / 5.25 pages/night ≈ 26.67 nights. Since she can't read a fraction of a night, she would need 27 nights to read 140 pages. A: Incorrect. 6 nights is too short based on the rate calculation. B: Incorrect. 26 nights is close, but rounding up is necessary. C: Incorrect. 8 nights is too short based on the rate calculation.

Question 5 of 5

The total perimeter of a rectangle is 36 cm. If the length of each side is 12 cm, what is the width?

Correct Answer: C

Rationale: To find the width, we first calculate the total length of the rectangle by multiplying the length by 2 (since there are 2 lengths in a rectangle). 12 cm x 2 = 24 cm. Subtracting this from the total perimeter of 36 cm gives us 36 cm - 24 cm = 12 cm. Since the width is divided into 2 sides, we divide 12 cm by 2 to get the width of 6 cm. Therefore, the correct answer is C: 6 cm. Choice A (3 cm) is incorrect because it does not account for the total perimeter. Choice B (12 cm) is incorrect as it represents the length, not the width. Choice D (8 cm) is incorrect as it does not align with the calculations based on the given information.

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