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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. The symbol < is read as ________ .






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






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






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






5. 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.






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






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






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






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






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






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






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






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






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






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






16. Use number lines to ________ two decimals.






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






18. 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.






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






20. 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.






21. The symbol > is read as _________.






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






23. The symbol ≤ is read as __________ .






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






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






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






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






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






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






30. 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.






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






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






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






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






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






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






37. ______________ 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.






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






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






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






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






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






43. The symbol ≥ is read as ______________.






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






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






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






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






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






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






50. The symbol ______ means percent.







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Can you answer 50 questions in 15 minutes?


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