AsterQuiz Average Calculation ArenaOnline version Grade 7 averages by Hidden Author 1 1. What is the formula for finding an average? a Largest value - smallest value b Total ÷ number of values c Total × number of values 2 2. The lengths of six pencils are 10 cm, 9 cm, 8 cm, 7 cm, 5 cm and 3 cm. What is their average length? a 8 cm b 6 cm c 7 cm 3 3. Find the average of 45 min, 25 min, 30 min, 20 min and 75 min. a 35 min b 45 min c 39 min 4 4. Find the average of 20°C, 30°C, 26°C and 28°C. a 26°C b 28°C c 24°C 5 5. Find the average of 14 m, 6 m, 17 m, 19 m and 24 m. a 20 m b 16 m c 18 m 6 6. Find the average of K95, K115, K110 and K120. a K110 b K105 c K115 7 7. Find the average of 20 g, 1 000 g, 550 g and 102 g. a 418 g b 418.5 g c 420 g 8 8. Add 45 + 25 + 30 + 20 + 75. a 195 b 205 c 185 9 9. Add 14 + 6 + 17 + 19 + 24. a 90 b 70 c 80 10 10. Find the average of 73.5, 82.4, 66.36 and 60.06. a 70.58 b 71.58 c 70.08 11 11. Before averaging measurements, what should you check? a They use the same units b They are all whole numbers c They are arranged from largest to smallest 12 12. A total of 440 is divided among 4 measurements. What is the average? a 110 b 100 c 120
