Praxis Elementary Math (5003) Domain 1: Numbers and Operations Welcome to your Praxis Elementary Math (5003) Domain 1: Numbers and Operations 1. Praxis Elementary Math: Numbers and Operations If the sum of three consecutive even integers is 90, what is the smallest of these integers? A. 28 B. 30 C. 32 D. 34 None 2. Praxis Elementary Math: Numbers and Operations What is the value of \( 7^{1/2} \times 7^{3/2} \)? A. 7 B. 14 C. 49 D. 98 None 3. Praxis Elementary Math: Numbers and Operations If \( \frac{1}{x} + \frac{1}{y} = \frac{1}{12} \) and \( x = 16 \), what is the value of \( y \)? A. 24 B. 36 C. 48 D. 60 None 4. Praxis Elementary Math: Numbers and Operations What is the least common multiple of 12 and 18? A. 36 B. 54 C. 72 D. 108 None 5. Praxis Elementary Math: Numbers and Operations How many prime numbers are there between 20 and 30? A. 1 B. 2 C. 3 D. 4 None 6. Praxis Elementary Math: Numbers and Operations If \( 5x + 3 = 23 \), what is the value of \( x \)? A. 2 B. 4 C. 6 D. 8 None 7. Praxis Elementary Math: Numbers and Operations A bag contains red, blue, and green marbles in the ratio 3:4:5. If there are 60 green marbles, how many marbles are in the bag in total? A. 120 B. 144 C. 150 D. 180 None 8. Praxis Elementary Math: Numbers and Operations What is \( 0.25 \) expressed as a fraction in simplest form? A. \( \frac{1}{5} \) B. \( \frac{1}{4} \) C. \( \frac{2}{5} \) D. \( \frac{3}{4} \) None 9. Praxis Elementary Math: Numbers and Operations What is the greatest common divisor (GCD) of 48 and 64? A. 8 B. 12 C. 16 D. 24 None 10. Praxis Elementary Math: Numbers and Operations What is the sum of the interior angles of a pentagon? A. 360 degrees B. 540 degrees C. 720 degrees D. 900 degrees None 11. Praxis Elementary Math: Numbers and Operations A rectangle has a length that is 3 times its width. If the perimeter is 48 cm, what is the length of the rectangle? A. 9 cm B. 12 cm C. 18 cm D. 24 cm None 12. Praxis Elementary Math: Numbers and Operations What fraction represents the decimal 0.75? A. \( \frac{3}{4} \) B. \( \frac{5}{6} \) C. \( \frac{7}{8} \) D. \( \frac{3}{5} \) None 13. Praxis Elementary Math: Numbers and Operations What is the product of the least common multiple and greatest common divisor of 24 and 36? A. 144 B. 252 C. 360 D. 864 None 14. Praxis Elementary Math: Numbers and Operations What is the decimal representation of \( \frac{7}{8} \)? A. 0.75 B. 0.825 C. 0.875 D. 0.95 None 15. Praxis Elementary Math: Numbers and Operations If the average of four numbers is 25, what is the sum of these numbers? A. 75 B. 100 C. 125 D. 150 None 16. Praxis Elementary Math: Numbers and Operations What is the value of \( 2^3 \times 2^4 \)? A. 128 B. 64 C. 32 D. 16 None 17. Praxis Elementary Math: Numbers and Operations In a class, \( \frac{1}{5} \) of the students have blue eyes, and \( \frac{1}{4} \) have green eyes. What fraction of the class does not have blue or green eyes? A. \( \frac{9}{20} \) B. \( \frac{11}{20} \) C. \( \frac{1}{2} \) D. \( \frac{3}{4} \) None 18. Praxis Elementary Math: Numbers and Operations If a number is increased by 20% and then decreased by 20%, what is the net percent change? A. 0% B. 4% decrease C. 4% increase D. 16% decrease None 19. Praxis Elementary Math: Numbers and Operations If \( \frac{3x}{4} = 9 \), what is the value of \( x \)? A. 3 B. 6 C. 12 D. 15 None 20. Praxis Elementary Math: Numbers and Operations A fraction is reduced to \( \frac{3}{4} \) when both the numerator and denominator are reduced by the same amount. If the original denominator was 16, what was the original numerator? A. 9 B. 10 C. 11 D. 12 None 1 out of 20 Time is Up! Time's up
