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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. Mode

2. Adding/subtracting fractions

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

4. A shortcut for writing repeated multiplication

5. Number divisible by 5

6. To drop a percent

7. 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

8. To place a fraction in lowest terms

9. Natural Numbers - Whole Numbers - Integers - Rational Numbers

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

11. Number divisible by 3

12. Simplifying complex fractions: two methods

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

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

15. Average value

16. Reciprocal of number

17. Properties of 0

18. New whole

19. Properties of numbers btw -1 and 1

20. odd + odd

21. Percent decrease

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

23. Number divisible by 6

24. To change a percent to a decimal

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

26. 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

27. Reducing fractions

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

29. Not identical or equivalent to

30. 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?

31. Multiplying fractions

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

33. A number with more than two factors

34. Answer to a multiplication problem

35. 1/5 + 1/4=4/20 +5/20 and 20 is the...

36. 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.

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

38. The smallest number in a group of numbers

39. To make a percent

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

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

42. 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?

43. Dividing fractions

44. A value that does not change; any number

45. Absolute value of number

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

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

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

49. Comparing positive fractions

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