TEAS Math: Numbers and Operations 4

Question 1

A patient needs 2.5 mg of medication per kilogram of body weight. If the patient weighs 68 kg, how many milligrams are needed?

Accepted Answer

170 mg

Answer

Multiply 2.5 mg/kg × 68 kg = 170 mg.

Question 2

Which of the following is equivalent to 3/8 expressed as a decimal?

Accepted Answer

0.375

Answer

3 ÷ 8 = 0.375.

Question 3

A store sells juice in 32 fl oz bottles for $2.56 and in 20 fl oz bottles for $1.80. Which is the better unit price?

Accepted Answer

32 fl oz bottle at $0.08/oz

Answer

$2.56 ÷ 32 = $0.08/oz, versus $1.80 ÷ 20 = $0.09/oz, so the 32 oz bottle is cheaper per ounce.

Question 4

What is the value of 4³ − √64?

Accepted Answer

56

Answer

4³ = 64 and √64 = 8, so 64 − 8 = 56.

Question 5

A recipe calls for 3¼ cups of flour. If you want to make 1.5 times the recipe, how many cups of flour do you need?

Accepted Answer

4⅞ cups

Answer

3.25 × 1.5 = 4.875 cups, which equals 4⅞ cups.

TEAS Practice Test