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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 special kind of bar graph that shows frequency of data.






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






3. Use number lines to ________ two decimals.






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






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






6. The symbol ______ means percent.






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






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






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






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






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






12. The symbol ≥ is read as ______________.






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






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






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






16. 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).






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






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






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






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






21. 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.






22. The symbol > is read as _________.






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






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






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






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






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






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






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






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






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






32. 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.






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






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






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






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






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






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






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






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






41. The symbol ≤ is read as __________ .






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






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






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






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






46. The symbol < is read as ________ .






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






48. 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.






49. The set of all possible outcomes is _____________.






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