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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. The greatest whole number that is a factor of two or more nonzero whole numbers






2. To change a percent to a decimal






3. A number without fractions; an integer- E.g. 0 - 1 - 2 - 3 - 4 - 5 - 6 - 7 - 8 - 9...






4. Number divisible by 2






5. A number with only two factors - one and itself - E.g. 3 -7 -11 -13 -17 -19...






6. The smallest number that is a multiple of both numbers. (the LCM of 15 and 6 is 30)






7. How much a number is worth






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






9. A number written in expanded form with the place values written in exponential form - E.g. 2432=2000+400+30+2






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






11. PEMDAS - Parentheses - Exponents - Multiplication & Division (L to R) - Addition & Subtraction (L to R)






12. Percent x whole






13. 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






14. Number divisible by 3






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






16. The answer to an addition problem






17. Probability






18. Relationship in which a number is smaller than another






19. Number divisible by 6






20. A property of real numbers that states that the sum or product of a set of numbers is the same - regardless of how the numbers are grouped - (a+b)+c=a+(b+c) - e.g. (1+2)+3=1+(2+3)






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






22. To place a fraction in lowest terms






23. Multiplying fractions






24. Reciprocal of number






25. To make a percent






26. Answer to a multiplication problem






27. The bottom number in a fraction; tells how many parts a whole is divided into OR how many parts in a group - E.g. 2/4 and what position is the 4?






28. 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






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






30. Number divisible by 5






31. 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?






32. Properties of 1 and -1






33. Average A per B






34. 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.






35. Number divisible by 4






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






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






38. 8x8=64 What is 64?






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






40. Add up the digits; if the sum is a multiple of 3 the number is divisible by 3






41. The smallest number in a group of numbers






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






43. A number that is multiplied by another number to find a producr






44. Natural Numbers - Whole Numbers - Integers - Rational Numbers






45. Properties of 0






46. The answer to a multiplication problem






47. Any whole number that ends with 0 - 2 - 4 - 6 - or 8 - any whole number that can be divided by 2






48. Average value






49. When a number is larger than the other number. Example 65 > 56






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