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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. Dividing decimals






2. 8x8=64 What is 64?






3. Number divisible by 4






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






5. The answer to a subtraction problem






6. Be identical or equivalent to






7. A letter that represents a value that may change






8. A fraction whose numerator is greater than its denominator






9. Number divisible by 3






10. Comparing positive fractions






11. Answer to a multiplication problem






12. odd + even






13. Relationship in which a number is smaller than another






14. Reciprocal of number






15. Average value






16. Rational numbers in decimal form that have a block of on or more digits that repeat continuously






17. 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)






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






19. Standard deviation: greater if...






20. The answer to an addition problem






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






22. Multiplying fractions






23. Probability






24. Multiplying decimals






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






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






27. How much a number is worth






28. Two expressions that are set equal to each other; a number sentence with an equal sign






29. To change a percent to a decimal






30. Percent increase






31. 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)






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






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






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






35. To make a percent






36. Median






37. Properties of 1 and -1

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38. New whole






39. Number divisible by 9






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






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






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






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






44. Not identical or equivalent to






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






46. 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)=






47. Answer to a division problem






48. Percent decrease






49. odd + odd






50. To drop a percent