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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.
  • 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. The smallest number in a group of numbers

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

3. The largest number in a group of numbers

4. Relationship in which a number is smaller than another

5. 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)

6. Number divisible by 5

7. Average value

8. Adding/subtracting decimals

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

10. A value that does not change; any number

11. Multiplying fractions

12. Percent decrease

13. Standard deviation: greater if...

14. Reducing fractions

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

16. The answer to an addition problem

17. Comparing decimal fractions

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

19. A fraction out of 100 - %

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

21. 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?

22. Absolute value of number

23. Reciprocal of number

24. 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

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

26. A letter that represents a value that may change

27. Average A per B

28. Comparing positive fractions

29. odd + odd

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

31. 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)

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

33. New whole

34. Dividing fractions

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

36. Number divisible by 2

37. To find the answer for; solve

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

39. A number with more than two factors

40. Median

41. 1/5 + 1/4=4/20 +5/20 and 20 is the...

42. Percent increase

43. To change a percent to a decimal

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

45. Probability

46. Simplifying complex fractions: two methods

47. A shortcut for writing repeated multiplication

48. 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.

49. Dividing decimals

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