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






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






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






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






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






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






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






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






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






10. _________ - _________ - and_______may be written by first writing each one as a fraction with a denominator of 100.






11. To add mixed numbers with unlike denominators - write equivalent fractions with a ___________ . Add the whole numbers and add the fractions.






12. A ___________is for organizing a set of data that shows the number of times each item or number appears.






13. Both addition and multiplication are __________ . This means that grouping addends or factors will not change the sum or product.






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






15. A _______ is a ratio that compares a number to 100.






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






17. A _________ is a special kind of bar graph that shows frequency of data.






18. A _________ is a randomly-selected group that is used to represent a whole population.






19. The ________ of an angle is the common endpoint of the rays forming the angle.






20. An _________ is a mathematical sentence that contains < - > - ≠- ≤ - or ≥ .






21. The symbol ≤ is read as __________ .






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






23. Prime factorization can be written using ________ . For example - 2 x 2 x 3 = 2² x 3






24. The symbol ______ means percent.






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






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






27. The set of all possible outcomes is _____________.






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






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






30. Similar figures have the same shape but different sizes. The symbol ~ means _________ .






31. ___________ is a number that can be written using an exponent. For example - 3² means three to the second power.






32. Together - the x coordinate and y coordinate form an ___________.






33. Use number lines to ________ two decimals.






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






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






36. Two angles are ___________ if the sum of their measures is 180°.






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






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






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






40. Both addition and multiplication are _________ . This means that order doesnft change the sum or product.






41. A _________ has six rectangular faces. To find the surface area - find the sum of the areas of the six faces.






42. The symbol < is read as ________ .






43. A figure that can be rotated 180° about a point so that it matches the original figure has ______ .






44. The symbol > is read as _________.






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






46. The _________ states that multiplying a sum by a number is the same as multiplying each addend by that number and then adding the two products. For example - 3(8 + 2) = (3 x 8) + (3 x 2).






47. When two or more numbers are multiplied - each number is called a _________ .






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






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






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