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






2. The symbol ≥ is read as ______________.






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






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






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






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






7. The symbol < is read as ________ .






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






9. The set of all possible outcomes is _____________.






10. The symbol > is read as _________.






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






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






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






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






15. 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).






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






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






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






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






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






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






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






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






24. The symbol ≤ is read as __________ .






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






26. Use number lines to ________ two decimals.






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






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






29. 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.






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






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






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






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






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






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






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






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






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






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






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






41. In a power - the number used as a factor is the base. In 10³ - the ________ is 10. That is - 10³ = 10 X 10 X 10.






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






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






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






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






46. The symbol ______ means percent.






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






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






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






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