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Number Sense Vocab

Instructions:

Answer 50 questions in 15 minutes.
If you are not ready to take this test, you can study here.
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. Answer to a multiplication problem
divisibility by 3 rule
product
terminating decimals
Line up decimal points

2. Adding/subtracting fractions
variables
LCM is LCD
number line
distributive property

3. Average A per B
Number w/o signs
root numbers
order of operations
Total A/total B

4. To make a percent
Multiply by 100%
expanded form using exponents
even number
order of operations

5. A set of operators - numbers - variables and grouping symbols; no equal sign
expression
(Amount of increase/original whole) x100%
even
odd number

6. When a number is larger than the other number. Example 65 > 56
repeating decimals
number line
Number of decimal places is total number of decimals places in factors multiplied
greater than

7. The answer to an addition problem
Last two digits divisible by 4
sum
Last digit 0 or 5
0 and 1: Reciprocal greater than number - square less than number - positive number's product smaller than number - negative number's product larger than number; -1 and 0: reciprocal less than number

8. A shortcut for writing repeated multiplication
Divide by 100%
exponents
decimal
0 and 1: Reciprocal greater than number - square less than number - positive number's product smaller than number - negative number's product larger than number; -1 and 0: reciprocal less than number

9. To place a fraction in lowest terms
denominator
least
simplify
odd number

10. Simplifying complex fractions: two methods
1 dividing by number
range
mixed number
Distributive law: multiply by LCM of all denominators; treat numerator/denominator separately

11. Number divisible by 2
odd
Number of desired outcomes/number of total possible outcomes
prime factorization
Last digit divisible by 2

12. A number made up of a whole number and a fraction
odd number
LCM is LCD
mixed number
(Amount of decrease/original whole) x100%

13. 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
inverse property
factor pair
(Amount of decrease/original whole) x100%
Drop percent - move decimal point two place to left

14. The greatest whole number that is a factor of two or more nonzero whole numbers
greatest common factor
denominator
inverse property
Adding/subtracting 0 from number doesn't change number; number multiplied by 0 is 0; division by 0 undefined

15. Any whole number that ends with 0 - 2 - 4 - 6 - or 8 - any whole number that can be divided by 2
Value occurring most frequently
even number
Line up decimal points
order of operations

16. 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)=
place value
sum
distributive property
fraction

17. To change a percent to a decimal
irrational numbers
inverse property
less than
Drop percent - move decimal point two place to left

18. Properties of 1 and -1

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19. 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)
estimate
range
least
commutative property

20. The difference between the greatest and the least numbers in a set of data.
range
value
repeating decimals
even number

21. A comparison of 2 numbers; one form is a fraction
estimate
rational numbers
ratio
place value

22. Multiple-event probability
prime number
Probability for each event then multiply individual probabilities together
Sum of values/number of values
associative property

23. The answer to a multiplication problem
product
fraction
odd number
simplify

24. The expression of a number as a product of prime factors; use a factor tree!
equivalent
prime factorization
not equal
Number of decimal places is total number of decimals places in factors multiplied

25. A fraction out of 100 - %
terminating decimals
fraction
percent
divisible

26. Properties of numbers btw -1 and 1

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27. 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?
divisibility by 3 rule
Original whole +/- amount of change
numerator
square number

28. Percent x whole
compute
Part
1 dividing by number
Total A/total B

29. odd + even
equation
even number
least
odd

30. To drop a percent
expanded form using exponents
expression
Divide by 100%
factor

31. Answer to a division problem
variables
distributive property
quotient
inverse property

32. Two expressions that are set equal to each other; a number sentence with an equal sign
numerator
less than
even
equation

33. The smallest number that is a multiple of both numbers. (the LCM of 15 and 6 is 30)
odd
least common multiple
inverse property
compatible numbers

34. A line for representing and graphing numbers. Each point on the line corresponds to a number.
number line
compute
expression
constants

35. Relationship in which a number is smaller than another
less than
Line up decimal points
odd
compute

36. Natural Numbers - Whole Numbers - Integers - Rational Numbers
even
Invert second term - then multiply
rational numbers
Drop percent - move decimal point two place to left

37. Dividing decimals
Probability for each event then multiply individual probabilities together
Multiply by power of 10 so divisor is integer; decimal point is above that in dividend
divisible
compute

38. Multiplying decimals
common denominator
compatible numbers
Number of decimal places is total number of decimals places in factors multiplied
Drop percent - move decimal point two place to left

39. How much a number is worth
product
identity property
range
value

40. 1/5 + 1/4=4/20 +5/20 and 20 is the...
Original whole +/- amount of change
common denominator
even number
prime number

41. A number that is multiplied by another number to find a producr
factor
mixed number
Divisible by 2 and 3
Number of desired outcomes/number of total possible outcomes

42. A number that results from multiplying a factor by itself
constants
Last digit 0 or 5
square number
range

43. Number divisible by 6
Divisible by 2 and 3
compute
prime number
value

44. Dividing fractions
Invert second term - then multiply
decimal
prime factorization
Line up decimal points

45. An equation showing 2 ratios are equal
Divisible by 2 and 3
proportion
greatest
Reduce diagonally/vertically then multiply numerators and denominators

46. New whole
ratio
Original whole +/- amount of change
greater than
percent

47. A number without fractions; an integer- E.g. 0 - 1 - 2 - 3 - 4 - 5 - 6 - 7 - 8 - 9...
Same numerators: fraction w/ smaller denominator has larger value; Same denominators: fraction w/ larger numerator has larger value
greatest common factor
whole number
percent

48. A fraction whose numerator is greater than its denominator
improper fraction
(Amount of decrease/original whole) x100%
expanded form using exponents
greatest common factor

49. A value that does not change; any number
even number
constants
compensation
whole number

50. A number with only two factors - one and itself - E.g. 3 -7 -11 -13 -17 -19...
Middle value
0 and 1: Reciprocal greater than number - square less than number - positive number's product smaller than number - negative number's product larger than number; -1 and 0: reciprocal less than number
common denominator
prime number