Average Problems( Week 9 Evaluation) 1. What is the natural number comes exactly in the middle between 10 and 14? 2. There will be a canoe race. The blue team has 6 canoes. The yellow team has 8 canoes. The green team has 4 canoes. What is the average number of the canoes in a team? 3. A sheep pen holds 13 sheep and another sheep pen holds 7 sheep. To make each sheep pen hold the same number of sheep, how many sheep need to be moved from one sheep pen to the other sheep pen? 4. Laura is 13 years old, and Curtis is 19 years old. How old will Curtis be when Laura is 31 years old? 5. What is the number with the same distance from 0 and 790? 6. Martha has 80 marbles, and Sofia has 52 marbles. How many marbles does Martha need to give Sofia so that each of them has the same number of the marbles? 7. There were 9 boys with the heights of 44 inches, 47 inches, 50 inches, 53 inches, 56 inches, 59 inches, 62 inches, 65 inches, and 68 inches respectively. What is their average height in inches? 8. A book shelf has four layers. There are 44 books on the first layer. There are a total of 73 books on the second and third layer. There are 63 books in the fourth layer. How many books are there in average on a layer of the shelf? 9. A 12-hour clock chimes once at 1:00, twice at 2:00, three times at 3:00, etc. In addition, the clock chimes once at half-past each hour. How many times does the clock chime altogether in one 24-hour period? 10. Find the sum of 1 + 2 + 3 + 4 + ... + 60 + 61 =? |