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Number Sense Vocab

Subjects : math, number-sense
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 you add 0 to a number - or mulltiply a number by 1 - the result is the same number - e.g. Identity Property of Multiplication: 21x1=1x21=21 or 300x 1 = 300






2. Comparing positive fractions






3. Number divisible by 6






4. A whole number such as 1 - 3 - 5 and so on that cannot be evenly divisible by 2






5. A number with more than two factors






6. A number with one or more digits to the right of the decimal point - E.g. .33






7. Cannot be expressed in the form a/b. Include square roots of whole numbers that are not perfect squares and non terminating decimals that do not repeat. pi






8. The number at the top of a fraction; stands for the parts of a set you are considering - E.g. 3/4 What position is 3?






9. A value that does not change; any number






10. Comparing decimal fractions






11. Numbers that are easy to compute mentally - E.g. 34 / 5 is close to 35 / 5






12. Median






13. Relationship in which a number is smaller than another






14. Mode






15. Multiplying decimals






16. To make a percent






17. The answer to an addition problem






18. A comparison of 2 numbers; one form is a fraction






19. Two numbers or expressions that mean the same thing - E.g. 2/3=4/6






20. The value of a digit based on its position within a number - e.g. 2 -432 The position of the numbers






21. To perform a calculation - E.g. 2+2=4






22. Percent increase






23. Percent decrease






24. Dividing decimals






25. A number that results from multiplying a factor by itself






26. The smallest number in a group of numbers






27. Multiple-event probability






28. 1/5 + 1/4=4/20 +5/20 and 20 is the...






29. 8x8=64 What is 64?






30. Number divisible by 3






31. Number divisible by 9






32. Dividing fractions






33. Number divisible by 5






34. To find the answer for; solve






35. To find a number that is close to an exact answer - E.g. 23+24 is around 50






36. Percent x whole






37. Reciprocal of number






38. Standard deviation: greater if...






39. To change a percent to a decimal






40. In multiplication or addition - the order of two numbers may be switched around and the answer is the same. Ex: a+b = b+a. or (1x2) x 3=1x (2x3)






41. Reducing fractions






42. Able to be divided evenly (without a remainder)






43. Choosing numbers close to the numbers in a problem - and then adjusting the answer to compensate for the numbers chosen - E.g. 23 + 18 and 23+20=43 Since 2 was added to 18 to make 20 - we need to take 2 away from 43.






44. Average value






45. An equation showing 2 ratios are equal






46. The difference between the greatest and the least numbers in a set of data.






47. In 4x4=16 - what is 4?






48. A property indicating a special way in which multiplication is applied to addition of two or more numbers in which each term inside a set of parentheses can be multiplied by a factor outside the parentheses - such as a(b + c) = ab + ac - or 7x (4+1)=






49. A number made up of a whole number and a fraction






50. A set of operators - numbers - variables and grouping symbols; no equal sign