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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. In 4x4=16 - what is 4?






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






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






4. A shortcut for writing repeated multiplication






5. A fraction out of 100 - %






6. The answer to a multiplication problem






7. Percent x whole






8. Mode






9. Reciprocal of number






10. To make a percent






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






12. Relationship in which a number is smaller than another






13. Number divisible by 4






14. Natural Numbers - Whole Numbers - Integers - Rational Numbers






15. Two factors together that are multiplied to equal a larger number.






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






17. Percent decrease






18. 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






19. Number divisible by 9






20. Multiplying fractions






21. Properties of 1 and -1


22. odd + odd






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






24. A value that does not change; any number






25. 8x8=64 What is 64?






26. Average A per B






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






28. 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.






29. How much a number is worth






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






31. Absolute value of number






32. Rational numbers that expressed in decimal format that have fixed number of digits. 1.5 etc.






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






34. 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






35. Standard deviation: greater if...






36. Adding/subtracting decimals






37. Number divisible by 5






38. To change a percent to a decimal






39. Answer to a multiplication problem






40. Multiplying decimals






41. 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)






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






43. The answer to an addition problem






44. Dividing fractions






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






46. The property which allows you to add a number's opposite to it and always get 0 - The relationship of addition to subtraction or multiplication to division






47. A number that represents a part of a whole or a group; also means 'divided by' - E.g. 1/2 -3/4.5/6






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






49. To find the answer for; solve






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