Average Problems( Week 9 Evaluation) 1. What is the natural number comes exactly in the middle between 19 and 29? 2. There will be a canoe race. The blue team has 5 canoes. The yellow team has 9 canoes. The green team has 4 canoes. What is the average number of the canoes in a team? 3. A sheep pen holds 9 sheep and another sheep pen holds 5 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. Sofia is 19 years old, and Curtis is 24 years old. How old will Curtis be when Sofia is 35 years old? 5. What is the number with the same distance from 0 and 1526? 6. Julia has 63 marbles, and Jane has 25 marbles. How many marbles does Julia need to give Jane so that each of them has the same number of the marbles? 7. There were 9 boys with the heights of 46 inches, 47 inches, 48 inches, 49 inches, 50 inches, 51 inches, 52 inches, 53 inches, and 54 inches respectively. What is their average height in inches? 8. A book shelf has four layers. There are 75 books on the first layer. There are a total of 44 books on the second and third layer. There are 49 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. How many times does the clock chime altogether in one 24-hour period? 10. Find the sum of 1 + 2 + 3 + 4 + ... + 71 + 72 =? |