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

2. odd + odd

3. Answer to a division problem

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

5. 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

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

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

8. Properties of numbers btw -1 and 1

9. The largest number in a group of numbers

10. Adding/subtracting decimals

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

12. To change a percent to a decimal

13. 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?

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

15. Reducing fractions

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

17. 8x8=64 What is 64?

18. New whole

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

20. Properties of 1 and -1

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

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

23. The smallest number in a group of numbers

24. A letter that represents a value that may change

25. To find the answer for; solve

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. Number divisible by 9

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

29. A number with more than two factors

30. Multiplying fractions

31. A fraction whose numerator is greater than its denominator

32. Reciprocal of number

33. Dividing fractions

34. Number divisible by 4

35. The answer to an addition problem

36. Average A per B

37. The answer to a multiplication problem

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

39. A value that does not change; any number

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

41. 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?

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

43. Percent x whole

44. Average value

45. To make a percent

46. Multiplying decimals

47. Number divisible by 2

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

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

50. Absolute value of number