Page 210 - Math Course 1 (Book 1)

Mental Math: Percents

Real World Example
Estimate 183% of 93.
MONEY
A. 162 A restaurant bill totals $59.05. You
B. 157.2 want to leave a 15% tip. What is a
C. 170.19 reasonable amount for the tip?
D. 180
A. $8.90
Answer B. $9
C. $12
D. $6

Answer

Skill Practice!

Find the percent of each number mentally.
1. 10% of 582 2. 50% of 86 3. 40% of 1500

4. 20% of 75 5. 15% of 20 6. 80% of 45

7. 30% of 120 8. 75% of 44 9. 5% of 40

1
10. 33 % of 99
3

Estimate
11. 28% of 19 12. 55% of 32 13. 87% of 158

14. 35% of 544 15. 42% of 495

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