Finding Percents Mentally Math Worksheet
Mental math strategies for finding 10%, 50%, 25% and multiples of 10% of a number, with a fill-in-the-blank rule for each strategy followed by practice problems such as 20% of 70.

- Grades
- Grades 7–10
- File type
- Preparation
- Print ready
- Subject
- Math
- Topic
- Percents, Equations
- Resource types
- Worksheets
- Preparation
- Print ready
From the author
About this resource
Here is a Finding Percents Mentally Math Worksheet that can be utilized as homework, an assessment and so much more.
It is a 2-page worksheet with a variety of problems to solve.
Answer key included.
In the classroom
Teaching tips & learning objectives
Learning objectives
Find 10% of a number and use it to find multiples of 10%
Find 50% and 25% of a number mentally
Break a percent such as 15% into a sum of easier percents
Skills covered
Stating percent strategies — students complete fill-in-the-blank rules before applying them
Mental percent calculation — students solve problems such as 10% of 300 and 25% of 40 without a calculator
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Resource details
Concepts & topics
Core concepts
Percent
Mental math
Benchmark percents
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