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






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






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






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






5. The symbol ≥ is read as ______________.






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






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






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






9. The symbol < is read as ________ .






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






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






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






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






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






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






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






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






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






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






20. 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.






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






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






23. The ______________ are the numbers of pieces of data that can represent the whole set of data. These common measures of central tendency are mean - median - and mode.






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






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






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






27. 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.






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






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






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






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






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






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






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






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






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






37. Use number lines to ________ two decimals.






38. The set of all possible outcomes is _____________.






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






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






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






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






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






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






45. To express a ______ as a _______ - rewrite the percent as a fraction with a denominator of 100 - and then express the fraction as a decimal.






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






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






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






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






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