ATI TEAS Guide To Math  Basic Operations Question Review
ATI TEAS Math Basic Operations
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Question 1 of 5
1. Question
Which of the following is the most appropriate unit of measure to use for the mass of tennis ball?
Correct
The correct answer is A. The most appropriate unit of measure for a baseball would be in grams. Kilograms could be used, but since a baseball has mass significantly less than one kilogram, using grams would be better.
Incorrect
The correct answer is A. The most appropriate unit of measure for a baseball would be in grams. Kilograms could be used, but since a baseball has mass significantly less than one kilogram, using grams would be better.

Question 2 of 5
2. Question
3 x 5^{2} ÷ (9 – 4)
Simplify the expression above. Which of the following is correct?
Correct
The correct answer is C. To simplify the expression 3 x 5^{2} ÷ (9 – 4), use the order of operation. Following PEMDAS, first perform all operations in parentheses:
3 x 5^{2} ÷ (9 – 4) = 3 x 5^{2} ÷ (5)
Incorrect
The correct answer is C. To simplify the expression 3 x 5^{2} ÷ (9 – 4), use the order of operation. Following PEMDAS, first perform all operations in parentheses:
3 x 5^{2} ÷ (9 – 4) = 3 x 5^{2} ÷ (5)

Question 3 of 5
3. Question
8 x (4 + 3)
Simplify the expression above. Which of the following is correct?
Correct
The correct answer is C. To simplify the expression 8 x (4 + 3), use the order of operations. Following PEMDAS, first perform operations in parentheses: 4 + 3 = 7. Next, multiply 8 x 7. The correct answer is 56.
Incorrect
The correct answer is C. To simplify the expression 8 x (4 + 3), use the order of operations. Following PEMDAS, first perform operations in parentheses: 4 + 3 = 7. Next, multiply 8 x 7. The correct answer is 56.

Question 4 of 5
4. Question
5 x (4 + 2) ÷ 10 + 9
Simplify the expression above. Which of the following is correct?
Correct
The correct answer is B. To simplify the expression 5 x (4 + 2) ÷ 10 + 9, use the order of operations. Following PEMDAS, we first perform all operations in parentheses:
5 x (4 + 2) ÷ 10 + 9 = 5 x (6) ÷ 10 + 9
There are no exponents in this expression, so we move to the next step. Perform all multiplication and division in order from left to right:
5 x (6) ÷ 10 + 9 = 30 ÷ 10 + 9
= 3 + 9
Finally, perform all addition and subtraction in order from left to right. The correct answer is 3 + 9, or 12.
Incorrect
The correct answer is B. To simplify the expression 5 x (4 + 2) ÷ 10 + 9, use the order of operations. Following PEMDAS, we first perform all operations in parentheses:
5 x (4 + 2) ÷ 10 + 9 = 5 x (6) ÷ 10 + 9
There are no exponents in this expression, so we move to the next step. Perform all multiplication and division in order from left to right:
5 x (6) ÷ 10 + 9 = 30 ÷ 10 + 9
= 3 + 9
Finally, perform all addition and subtraction in order from left to right. The correct answer is 3 + 9, or 12.

Question 5 of 5
5. Question
2^{3} x 3 ÷ 24 + (1 – 4)
Simplify the expression above. Which of the following is correct?
Correct
The correct answer is B. To simplify the expression 2^{3} x 3 ÷ 24 + (1 – 4), use the order of operations. Following PEMDAS, we first perform all operations in parentheses:
2^{3} x 3 ÷ 24 + (1 – 4) = 2^{3} x 3 ÷ 24 + (3)
Next, simplify all exponents:
2^{3} x 3 ÷ 24 + (3) = 8 x 3 ÷ 24 + (3)
Next, perform all multiplication and division in order from left to right:
8 x 3 ÷ 24 + (3) = 24 ÷ 24 + (3)
= 1 + (3)
Finally, perform all addition and subtraction in order from left to right. The correct answer is 1 – 3, or 2.
Incorrect
The correct answer is B. To simplify the expression 2^{3} x 3 ÷ 24 + (1 – 4), use the order of operations. Following PEMDAS, we first perform all operations in parentheses:
2^{3} x 3 ÷ 24 + (1 – 4) = 2^{3} x 3 ÷ 24 + (3)
Next, simplify all exponents:
2^{3} x 3 ÷ 24 + (3) = 8 x 3 ÷ 24 + (3)
Next, perform all multiplication and division in order from left to right:
8 x 3 ÷ 24 + (3) = 24 ÷ 24 + (3)
= 1 + (3)
Finally, perform all addition and subtraction in order from left to right. The correct answer is 1 – 3, or 2.