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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. Adding/subtracting fractions

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

3. Simplifying complex fractions: two methods

4. Absolute value of number

5. Reciprocal of number

6. Be identical or equivalent to

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

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

9. Reducing fractions

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

11. Dividing fractions

12. Number divisible by 5

13. The answer to a multiplication problem

14. A property indicating a special way in which multiplication is applied to addition of two or more numbers in which each term inside a set of parentheses can be multiplied by a factor outside the parentheses - such as a(b + c) = ab + ac - or 7x (4+1)=

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

16. Multiple-event probability

17. 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?

18. Numbers that are easy to compute mentally - E.g. 34 / 5 is close to 35 / 5

19. Number divisible by 3

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

21. New whole

22. A shortcut for writing repeated multiplication

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

24. odd + even

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

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

27. Natural Numbers - Whole Numbers - Integers - Rational Numbers

28. 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

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

30. Probability

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

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

33. A letter that represents a value that may change

34. An equation showing 2 ratios are equal

35. Average A per B

36. The difference between the greatest and the least numbers in a set of data.

37. Number divisible by 6

38. Percent x whole

39. 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)

40. Number divisible by 2

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

42. odd + odd

43. 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

44. Answer to a multiplication problem

45. Adding/subtracting decimals

46. Comparing decimal fractions

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

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

49. 1/5 + 1/4=4/20 +5/20 and 20 is the...

50. To find the answer for; solve