What Percent Is One Number of Another
Written by Adi Ackerman, Head Teacher
"What Percent Is One Number of Another" is written for 8th Grade (Ages 13-14). A 7th grader who is already steady on percents can use it too, and an older student can use it as a short review.
8th grade math worksheet: find what percent one number is of another in 16 problems, such as 28 of 80 and 198 of 264. Answer key included. Part of our find what percent percents collection.
How do I use this worksheet?
Use the first sheet to model part divided by whole, then assign the decimal and over 100% sheets. The riddle sheet and the review sheet work well as a check before a quiz.
What students will practice
- Students will divide the part by the whole to find a percent.
- Students will write the quotient as a percent.
- Students will read questions written in two orders, such as 39 is what percent of 60.
Curriculum Links
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FAQ
How do I use this find what percent worksheet?
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Use the first sheet to model part divided by whole, then assign the decimal and over 100% sheets. The riddle sheet and the review sheet work well as a check before a quiz.
What does this worksheet teach?
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Find what percent one number is of another in 16 problems, such as 28 of 80 and 198 of 264. The directions on the page read: Find each percent. Divide the part by the whole, then write the decimal as a percent on the line. The page opens with a worked example, and an answer key is included.
Can I use this find what percent worksheet for homeschool or classroom?
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Yes, both. We made it for 8th grade percents, and it works the same at home or at school. At home, a student can work through it alone and then go over it with you, which shows quickly what is solid and what needs another look. In class it works as independent practice, homework or a warm-up, and you can print one copy or a full set.
What is the formula for what percent one number is of another?
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Percent = part ÷ whole, written as a percent. For 21 of 28 plants, 21 ÷ 28 = 0.75, so 75% of the plants are watered. What Percent Word Problems uses this on six problems.
Can a percent be more than 100%?
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Yes. When the part is greater than the whole, the answer is more than 100%. For example, 92 is 115% of 80. Percents Greater Than 100 has 12 problems like this.
How do you find a percent when you have to find the total first?
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Add the groups to get the total, then divide the part by it. With 7 red, 8 blue and 5 green pens, the total is 20, so blue pens are 8 ÷ 20 = 40%. Two-Step What Percent Problems practices this.
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