HESI A2 Math Practice Test 2021 Question Answers Quiz - GoTestPrep.com The HESI MATH (Official Exam includes 55 test items - 50 scored and 5 pilots) • Basic Math Skills Focuses on math skills needed for health care fields, including basic addition, subtraction, multiplication, fractions, decimals, ratio and proportion, household measures, general math facts, etc. Recommended time: 50 minutes