BitWithBite
Mathematics Worksheet
📊 Average
SCORE___ / 20
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After this worksheet you can
Compute the mean of a data set.Find a missing value given the mean.Understand average as total divided by count.Apply averages to test scores.📚 Quick Recap
The average (or mean) summarizes a group of numbers with a single typical value.
🧠 Section A · Concept Check ● BEGINNER 4 × 1 = 4
1The average of 6, 9, 12, 15 is:
2The average of 2, 4, 6, 8, 10 is:
3The average of 4 numbers is 25; three are 20, 22, 28. The fourth is:
4Average = total divided by:
🧮 Section B · Problem Solving ● INTERMEDIATE 2 + 3×3 = 11
5Average = sum ÷ .
6The average of 6, 9, 12, 15 is .
7Find the average of 6, 9, 12, 15.
8Find the average of 2, 4, 6, 8, 10.
9The average of 4 numbers is 25; three are 20, 22, 28. Find the fourth.
🚀 Section C · Challenge ● CHALLENGE 5
10A student's 5-test average is 78; four scores are 70, 75, 80, 85. Find the fifth.
💭 Reflection — the most useful thing I learned:
A ___/4 B ___/11 C ___/5 Total ___/20
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✂ answer key — fold or cut before handing out
1-A 2-A 3-A 4-A | 5 count 6 10.5 7 = 10.5 8 = 6 9 = 30 | 10 = 80