Test your basic knowledge |

Important Math Facts

Subject : math
Instructions:
  • Answer 50 questions in 15 minutes.
  • If you are not ready to take this test, you can study here.
  • Match each statement with the correct term.
  • Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.

This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.
1. Prime factorization can be written using ________ . For example - 2 x 2 x 3 = 2² x 3






2. Make a __________ of an integer by using its placement on the number line.






3. In a __________ - an object slides from one position to another without changing its size or shape.






4. A _______ is a comparison of two numbers with different units of measure.






5. Two angles are ___________ if the sum of their measures is 90°.






6. An ________ is a mathematical sentence that contains the equal sign.






7. The _________ of a circle is twice the length of the radius.






8. An ___________ is a combination of numbers - variables - and operations.






9. A _____________ is a system used to condense a set of data where the greatest place value of the data forms the stem and next greatest place value forms the leaves.






10. A _______ is the comparison of two numbers by division.






11. The set of ________ consists of the positive whole numbers - zero - and the opposites of the positive whole numbers.






12. A ___________ is a transformation that turns a line or shape around a fixed point.






13. A ___________ is a proportion with one fraction with a denominator of 1.






14. To _________ - write the mixed numbers as improper fractions. Replace the divisor with its reciprocal and multiply.






15. A _________ is an equation that shows two ratios are equivalent.






16. To express a ______ as ________a - express the percent as a fraction with a denominator of 100 - then simplify.






17. The symbol ______ means percent.






18. ______________ are two events in which either one or the other must take place - but they cannot both happen at the same time. The sum of their probabilities is one.






19. The ________ is used to represent the ratio of distance on the map to the actual distance.






20. To _____________ - express the mixed numbers as improper fractions - multiply - and simplify the results.






21. The surface area of a __________ is the sum of the areas of two circles and a rectangle.






22. The symbol < is read as ________ .






23. The _________ of an integer is the distance of the integer from zero.






24. The line or the fold is called the __________ .






25. The ____________ of a circle is always a little more than three times the diameter.






26. The opposite of a positive integer is a ________ .






27. Use number lines to ________ two decimals.






28. A diagram used to show the total number of possible outcomes in a probability experiment is called a _____________.






29. The rules to follow when more than one operation is used are called the ___________.






30. In a__________ - an object flips over a line without changing its size or shape.






31. In a power - the number of times the base is used as a factor is the ________ . In 5³ - the exponent is 3.






32. The symbol ≥ is read as ______________.






33. To add ____________ with common denominators - write the sum of the numerators over the common denominators. Then add the whole numbers.






34. A _________ is a symbol - usually a letter - used to represent a number.






35. To add or subtract fractions with unlike denominators - you need to change the fractions to equivalent fractions with ____________ before you find the sum or difference.






36. Instead of writing large numbers with all the zeros - you can use _________ . For example - 4 -250 -000 -000 = 4.25 x 10⁹.






37. If a figure can be divided in half by a line so that the two halves match each other - the figure is __________ .






38. The symbol > is read as _________.






39. The ___________ of a circle is equal to π times its diameter or π times twice its radius. C = π d or C = 2 π r.






40. The __________ of a solid is the total area of its exterior surfaces.






41. The set of all possible outcomes is _____________.






42. To __________ an algebraic expression means to substitute a value for the variables and apply the rules for order of operation.






43. Use __________ to compare two decimals - using the order symbols.






44. To ______________ - if the denominators are unlike - write equivalent fractions with a common denominator. Subtract the fractions first - and rename if necessary. Then subtract the whole numbers. Simplify if possible.






45. The symbol ≤ is read as __________ .






46. _________ integers are the same distance from zero in opposite directions on the number line.






47. To ___________ - multiply the numerators and then multiply the denominators. Write the product in lowest terms.






48. To ____________ - replace the divisor with its reciprocal and then multiply to get your answer.






49. When you add or subtract _________ that have the same or like denominators - you only add or subtract the numerators. The denominator stays the same.






50. An approximation of pi is 3.14 - or _______ .