Average Problems( Week 9 Evaluation) 1. What is the natural number comes exactly in the middle between 27 and 35? 2. There will be a canoe race. The blue team has 6 canoes. The yellow team has 5 canoes. The green team has 4 canoes. What is the average number of the canoes in a team? 3. A sheep pen holds 11 sheep and another sheep pen holds 9 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 16 years old, and Eric is 19 years old. How old will Eric be when Laura is 27 years old? 5. What is the number with the same distance from 0 and 276? 6. Morgan has 64 marbles, and Martha has 40 marbles. How many marbles does Morgan need to give Martha so that each of them has the same number of the marbles? 7. There were 9 boys with the heights of 42 inches, 45 inches, 48 inches, 51 inches, 54 inches, 57 inches, 60 inches, 63 inches, and 66 inches respectively. What is their average height in inches? 8. A book shelf has four layers. There are 59 books on the first layer. There are a total of 64 books on the second and third layer. There are 57 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 12-hour period? 10. Find the sum of 1 + 2 + 3 + 4 + ... + 69 + 70 =? |