# Free Pre-Algebra Worksheets

This Free Pre-Algebra Worksheet (old quiz) contains problems on finding percentages. Most problems are in "what-is-of" format, such as "61.8% of what number is 132?", which can be...

Worksheet (Pre-Algebra)

Answer Key: No

Problems: 21

This Free Pre-Algebra Worksheet contains problems involving percents. Problems include writing expressions as percents, finding a percentage of a given number, and solving a variety of word problems...

Worksheet (Pre-Algebra)

Answer Key: Yes

Problems: 15

This Free Pre-Algebra Worksheet contains problems on finding percentages. All problems are in "what-is-of" format, such as "What is 103% of 3?", which can be solved by setting up...

Worksheet (Pre-Algebra)

Answer Key: Yes

Problems: 24

This Free Pre-Algebra Worksheet contains problems on fractions, decimals, and percents. Students are asked to express decimals as percents and percents as decimals and fractions. Includes a few...

Worksheet (Pre-Algebra)

Answer Key: Yes

Problems: 21

This worksheet contains problems on prime factorization and Greatest Common Factor. Students must determine whether a number is prime or composite, complete factor trees, find the prime factorization...

Worksheet (Pre-Algebra)

Answer Key: Yes

Problems: 36

This Free Pre-Algebra Worksheet contains problems on prime factorization, greatest common factor (GCF), and simplifying rational numbers. Students must write the prime factorization of numbers, find...

Worksheet (Pre-Algebra)

Answer Key: No

Problems: 15

This Free Pre-Algebra Worksheet is great for a review or introduction to prime and composite numbers. This worksheet does not contain any problems - just a comparison of prime vs composite numbers...

Worksheet (Pre-Algebra)

Answer Key: No

Problems: 0

This worksheet contains a number of problems on calculating probability and odds of different events. Problems include calculating probability, odds for and against an event, and open-ended questions...

Worksheet (Pre-Algebra)

Answer Key: No

Problems: 25

This Free Pre-Algebra Worksheet
contains problems on finding the probability and odds of problems involving different colored marbles in jars and of number cubes (or dice).

Worksheet (Pre-Algebra)

Answer Key: No

Problems: 14

This Free Pre-Algebra Worksheet contains problems on probability of simple events. Problems include calculating the probabilities involving marbles, spinners, and selecting letters from words

Worksheet (Pre-Algebra)

Answer Key: Yes

Problems: 12