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






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






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






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






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






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






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






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






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






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






11. 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.






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






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






14. The symbol ______ means percent.






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






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






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






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






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






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






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






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






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






24. The symbol > is read as _________.






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






26. 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.






27. 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.






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






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






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






31. 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).






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






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






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






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






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






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






38. ______________ 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.






39. The symbol ≤ is read as __________ .






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






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






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






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






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






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






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






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






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






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






50. 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.