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






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






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






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






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






6. 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.






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






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






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






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






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






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






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






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






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






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






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






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






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






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






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






22. To ______________ - if the denominators are unlike - write equivalent fractions with a common denominator. Subtract the fractions first - and rename if necessary. Then subtract the whole numbers. Simplify if possible.






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






24. 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.






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






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






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






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






29. The symbol ______ means percent.






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






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






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






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






34. Use number lines to ________ two decimals.






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






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






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






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






39. The symbol < is read as ________ .






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






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






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






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






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






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






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






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






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






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






50. The symbol ≥ is read as ______________.