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






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






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






4. The smallest number in a group of numbers






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






6. 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






7. Percent increase






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. The answer to an addition problem






10. Multiplying fractions






11. A line for representing and graphing numbers. Each point on the line corresponds to a number.






12. Reciprocal of number






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






14. Probability






15. Simplifying complex fractions: two methods






16. Median






17. Standard deviation: greater if...






18. Average A per B






19. To drop a percent






20. Number divisible by 2






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






22. Adding/subtracting fractions






23. The answer to a multiplication problem






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






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






26. Properties of 0

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






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






29. Reducing fractions






30. Number divisible by 5






31. 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






32. Be identical or equivalent to






33. Natural Numbers - Whole Numbers - Integers - Rational Numbers






34. Mode






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






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






37. 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)






38. Answer to a division problem






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






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






41. An equation showing 2 ratios are equal






42. To make a percent






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






44. odd + even






45. 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?






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






47. A value that does not change; any number






48. Not identical or equivalent to






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






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