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






2. Properties of 0

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3. Dividing decimals






4. Comparing decimal fractions






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






6. Number divisible by 3






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






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






9. To place a fraction in lowest terms






10. Adding/subtracting fractions






11. The answer to a subtraction problem






12. Number divisible by 6






13. Comparing positive fractions






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






15. Average A per B






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






17. 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.






18. To change a percent to a decimal






19. Reciprocal of number






20. The answer to a multiplication problem






21. Properties of numbers btw -1 and 1

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22. To make a percent






23. 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






24. New whole






25. odd + odd






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






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






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






29. How much a number is worth






30. Dividing fractions






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






32. 1/5 + 1/4=4/20 +5/20 and 20 is the...






33. 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?






34. A number with more than two factors






35. The expression of a number as a product of prime factors; use a factor tree!






36. Any of the symbols used to write numbers (0 - 1 - 2 - 3 - 4 - 5 - 6 - 7 - 8 - 9)






37. To find the answer for; solve






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






39. 8x8=64 What is 64?






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






41. Median






42. Percent x whole






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






44. Absolute value of number






45. Number divisible by 5






46. The largest number in a group of numbers






47. 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






48. 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?






49. Answer to a division problem






50. 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)