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Grade 5 - Mathematics
9.13 Average - Word Problems

  1. Read the questions carefully.
  2. Find the average of the following.
Example: If the average of four tests of a student is 75 and wants to raise to 80 what must he score in the fifth test?
Average of four tests = 75
Total /4 = 75
Hence total = 75 x 4 = 300
To make the average 80
Total/5 = 80
Hence total = 400
The number he must score in fifth test = 400- 300
Answer: 100

Directions: Solve the following questions. Also write at least 10 examples of your own.
Q 1: On Jessica's first three tests she had an average of 72. If she wants to raise that average by 4 points, what must she get on her fourth test?
99
88
33

 Q 2: DW's trip to Disney land was going to be 238 miles. For the first three days, she drove an average of 57.34 miles per day. How much farther did she have to go?
75.98
55.98
65.98

Q 3: Scott jumped rope 821 times in 5 minutes. What was his average number of jumps per minute?
166.2
164.2
150.2

 Q 4: Jan swims an average of 2.75 miles per day. If she swims for 8 days, how many miles will she have gone?
22
28
12

Question 5: This question is available to subscribers only!

 Question 6: This question is available to subscribers only!


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