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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__________ - an object flips over a line without changing its size or shape.






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






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






4. The symbol > is read as _________.






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






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






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






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






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






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






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






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






13. The symbol ≥ is read as ______________.






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






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






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






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






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






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






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






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






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






23. 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).






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






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






26. The symbol < is read as ________ .






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






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






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






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






31. The symbol ______ means percent.






32. 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.






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






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






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






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






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






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






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






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






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






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






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






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






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






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






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






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






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






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