# PercentofaNumberGuidedPracticeFreeActivity ```Percent of
a Number
Guided
Practice
Created by: Lindsay Perro
http://www.beyondtheworksheet.com
Name ____________________________________
Date ______________________
Percent of a Number Guided Practice
To determine the percent of a number you need to remember two key points:
• The word “of” means Multiply!
• Percents must be changed to decimals before you can multiply with them.
Example:
What is 70% of 150?
Step 1: Change the percent to a decimal by moving the decimal two places to the
left. Remember, the decimal in a whole number is at the end – just like a period is at the
end of a sentence.
70% = 0.70
Step 2: Multiply the percent (which is now a decimal) by the given number.
0.70 x 150
105
Try these:
What is 40% of 120?
Step 1: Change the percent to a decimal by moving the decimal two places to the
left. Remember, the decimal in a whole number is at the end – just like a period is at the
end of a sentence.
40% = _________
Step 2: Multiply the percent (which is now a decimal) by the given number.
_______ x _______
_______
What is 60% of 70?
Step 1: Change the percent to a decimal by moving the decimal two places to the
left. Remember, the decimal in a whole number is at the end – just like a period is at the
end of a sentence.
60% = _________
Step 2: Multiply the percent (which is now a decimal) by the given number.
_______ x _______
_______
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1. What is 30% of 250? _________________________ = ___________________
2. What is 40% of 55? _________________________ = ___________________
3. What is 10% of 780? _________________________ = ___________________
4. What is 20% of 1,300? _________________________ = ___________________
5. What is 90% of 800? _________________________ = ___________________
6. The Smith family went out to dinner and received great service. They decided to
leave a 20% tip for their waitress. If their dinner bill totaled \$90, how much was the
tip? Think: You need to find what percent of what number? Show your work!
7. Carlos just took a 40 question math test. He scored a 75%. How many questions did
he get correct on his test? Show your work!
8. Marge ordered \$320 worth of photographs from a website. She has to pay a 10%
shipping and handling fee. How much will the fee cost her? Show your work!
9. April made \$440 in tips last night waitressing. She had to give 20% of her tips to the
boys who clean the tables. How much money did she have to give them? Show
10. You purchase a \$1,500 television. You have to pay 6% sales tax. How much will the
http://www.beyondtheworksheet.com
Name ____________________________________
Date ______________________
Percent of a Number Guided Practice
To determine the percent of a number you need to remember two key points:
• The word “of” means Multiply!
• Percents must be changed to decimals before you can multiply with them.
Example:
What is 70% of 150?
Step 1: Change the percent to a decimal by moving the decimal two places to the
left. Remember, the decimal in a whole number is at the end – just like a period is at the
end of a sentence.
70% = 0.70
Step 2: Multiply the percent (which is now a decimal) by the given number.
0.70 x 150
105
Try these:
What is 40% of 120?
Step 1: Change the percent to a decimal by moving the decimal two places to the
left. Remember, the decimal in a whole number is at the end – just like a period is at the
end of a sentence.
0.40
40% = _________
Step 2: Multiply the percent (which is now a decimal) by the given number.
0.40 x _______
120
_______
48
_______
What is 60% of 70?
Step 1: Change the percent to a decimal by moving the decimal two places to the
left. Remember, the decimal in a whole number is at the end – just like a period is at the
end of a sentence.
0.60
60% = _________
Step 2: Multiply the percent (which is now a decimal) by the given number.
0.60 x _______
70
_______
42
_______
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0.30 x 250
75
1. What is 30% of 250? _________________________
= ___________________
0.40 x 55
22
2. What is 40% of 55? _________________________
= ___________________
0.10 x 780
78
3. What is 10% of 780? _________________________ = ___________________
0.20 x 1300
260
4. What is 20% of 1,300? _________________________ = ___________________
720
0.90 x 800
5. What is 90% of 800? _________________________
= ___________________
6. The Smith family went out to dinner and received great service. They decided to
leave a 20% tip for their waitress. If their dinner bill totaled \$90, how much was the
tip? Think: You need to find what percent of what number? Show your work!
\$18 tip
7. Carlos just took a 40 question math test. He scored a 75%. How many questions did
he get correct on his test? Show your work!
30 correct
8. Marge ordered \$320 worth of photographs from a website. She has to pay a 10%
shipping and handling fee. How much will the fee cost her? Show your work!
\$32 fee
9. April made \$440 in tips last night waitressing. She had to give 20% of her tips to the
boys who clean the tables. How much money did she have to give them? Show
\$88
10. You purchase a \$1,500 television. You have to pay 6% sales tax. How much will the
\$90 sales tax
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