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Number Sense Vocab

Subjects : math, number-sense
  • Answer 50 questions in 15 minutes.
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  • Match each statement with the correct term.
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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. Simplifying complex fractions: two methods

2. Mode

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

4. 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)

5. Number divisible by 2

6. 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)

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

8. How much a number is worth

9. 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

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

11. Median

12. Reciprocal of number

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

14. Answer to a multiplication problem

15. Properties of numbers btw -1 and 1

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

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

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

19. A letter that represents a value that may change

20. 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

21. Average value

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

23. To drop a percent

24. Not identical or equivalent to

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

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

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

28. Average A per B

29. Number divisible by 9

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

31. Properties of 0

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

33. Adding/subtracting fractions

34. Number divisible by 3

35. A shortcut for writing repeated multiplication

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

37. Properties of 1 and -1

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

39. Multiplying decimals

40. The answer to a multiplication problem

41. The answer to a subtraction problem

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

43. The smallest number in a group of numbers

44. The largest number in a group of numbers

45. Two numbers or expressions that mean the same thing - E.g. 2/3=4/6

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

47. Reducing fractions

48. To place a fraction in lowest terms

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

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