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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 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.






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






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






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






5. 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.






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






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






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






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






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






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






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






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






14. Use number lines to ________ two decimals.






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






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






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






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






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






20. The symbol < is read as ________ .






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






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






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






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






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






26. The symbol > is read as _________.






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






28. The symbol ______ means percent.






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






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






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






32. The set of all possible outcomes is _____________.






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






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






35. The symbol ≥ is read as ______________.






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






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






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






39. 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.






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






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






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






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






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






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






46. The symbol ≤ is read as __________ .






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






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






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






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