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Math OER
 Random Problems 

Truth is ever to be found in the simplicity, and not in the multiplicity and confusion of things.

- Isaac Newton

random problems

This page has random problems for each math topic. Each time you reload the page the numbers change.

These problems also have an answer key. Get as much practice as you need.

These are the problems that will appear on our tests!

Build the habit of asking yourself if each answer you get is reasonable. Check your answers so you do not practice bad habits.

 

Decimal Accuracy

Estimating

 

Thinking About Division

Divisibility and Factors

Desired Denominators

Fractions and Decimals

Ratios and Rates

 

Decimal Point Scoots

Four Replacements for %

Percents, Decimals, and Fractions

 

Units and Their History

One Step Conversions

More about SI Prefixes

Exponents and Square Roots

 

 

Fraction × and ÷

Fraction + and −

Mixed Number Subtraction

Order and Terms

 

Percent Of

Percent Change

The One Plus Trick

Simple Interest

 

Unit Analysis

Polygon Perimeter and Area

Circle Circumference and Area

 

 

One Step Equations

Proportions and Cross Multiplying

Proportions with Variables

Proportion Word Problems

Scale Factors

 

Percent Sentences

Percent Word Problems

 

Temperature

Area Puzzles

Variables and Negatives

 

 

 

 

 

 

 

 

(no random problems)