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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. Any of the symbols used to write numbers (0 - 1 - 2 - 3 - 4 - 5 - 6 - 7 - 8 - 9)
Multiply by 100%
digit
expanded form using exponents
Sum of values/number of values

2. The smallest number that is a multiple of both numbers. (the LCM of 15 and 6 is 30)
Sum of digits divisible by 9
least common multiple
fraction
irrational numbers

3. Probability
quotient
Number of desired outcomes/number of total possible outcomes
root numbers
odd

4. odd + odd
number line
least common multiple
Middle value
even

5. Answer to a division problem
Divide out largest common factor
not equal
Last digit divisible by 2
quotient

6. Natural Numbers - Whole Numbers - Integers - Rational Numbers
estimate
equivalent
rational numbers
decimal

7. The answer to a multiplication problem
greatest common factor
compute
composite number
product

8. Percent x whole
compensation
greatest
equation
Part

9. Number divisible by 5
simplify
product
percent
Last digit 0 or 5

10. Number divisible by 6
simplify
expression
Divisible by 2 and 3
Middle value

11. Number divisible by 4
associative property
Last two digits divisible by 4
less than
fraction

12. A number with more than two factors
composite number
associative property
place value
distributive property

13. A number that results from multiplying a factor by itself
Add zeros to decimals until all decimals have same number of digits
product
rational numbers
square number

14. 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?
equation
Divisible by 2 and 3
not equal
numerator

15. A number with one or more digits to the right of the decimal point - E.g. .33
digit
decimal
Divide out largest common factor
whole number

16. Number divisible by 9
decimal
percent
Sum of digits divisible by 9
Part

17. To make a percent
Multiply by 100%
expanded form using exponents
constants
Number of desired outcomes/number of total possible outcomes

18. A line for representing and graphing numbers. Each point on the line corresponds to a number.
compute
range
number line
square number

19. Adding/subtracting decimals
identity property
Line up decimal points
variables
Number of desired outcomes/number of total possible outcomes

20. Standard deviation: greater if...
odd number
exponents
Value occurring most frequently
Greater spread in values

21. 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?
denominator
even number
Reduce diagonally/vertically then multiply numerators and denominators
Divide out largest common factor

22. Multiplying decimals
Number of decimal places is total number of decimals places in factors multiplied
(Amount of increase/original whole) x100%
range
estimate

23. Comparing positive fractions
Same numerators: fraction w/ smaller denominator has larger value; Same denominators: fraction w/ larger numerator has larger value
Divide by 100%
distributive property
simplify

24. New whole
composite number
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
Original whole +/- amount of change
sum

25. Relationship in which a number is smaller than another
identity property
common denominator
less than
order of operations

26. Percent increase
(Amount of increase/original whole) x100%
greatest common factor
quotient
mixed number

27. Two numbers or expressions that mean the same thing - E.g. 2/3=4/6
equal
Middle value
Multiply by 100%
equivalent

28. Be identical or equivalent to
expression
even number
equal
exponents

29. A shortcut for writing repeated multiplication
fraction
digit
value
exponents

30. A fraction whose numerator is greater than its denominator
Greater spread in values
improper fraction
even
denominator

31. To perform a calculation - E.g. 2+2=4
1 dividing by number
decimal
numerator
compute

32. Mode
associative property
Last two digits divisible by 4
Value occurring most frequently
Number of desired outcomes/number of total possible outcomes

33. A value that does not change; any number
Divide by 100%
even number
constants
inverse property

34. Able to be divided evenly (without a remainder)
place value
divisible
percent
Same numerators: fraction w/ smaller denominator has larger value; Same denominators: fraction w/ larger numerator has larger value

35. Properties of numbers btw -1 and 1

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36. How much a number is worth
sum
rational numbers
mixed number
value

37. Properties of 1 and -1

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38. Number divisible by 2
Reduce diagonally/vertically then multiply numerators and denominators
Last digit divisible by 2
fraction
Sum of digits divisible by 3

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

40. The difference between the greatest and the least numbers in a set of data.
evaluate
expanded form using exponents
Line up decimal points
range

41. Number divisible by 3
compatible numbers
Drop percent - move decimal point two place to left
Sum of digits divisible by 3
difference

42. Dividing decimals
mixed number
improper fraction
percent
Multiply by power of 10 so divisor is integer; decimal point is above that in dividend

43. The greatest whole number that is a factor of two or more nonzero whole numbers
greatest common factor
commutative property
Multiplying/dividing number by 1 doesn't change number; multiplying/dividing number by -1 changes sign; sum of number of -1 times number is 0
Invert second term - then multiply

44. A letter that represents a value that may change
Invert second term - then multiply
repeating decimals
Multiplying/dividing number by 1 doesn't change number; multiplying/dividing number by -1 changes sign; sum of number of -1 times number is 0
variables

45. To find a number that is close to an exact answer - E.g. 23+24 is around 50
expanded form using exponents
estimate
compatible numbers
variables

46. Average value
distributive property
Sum of values/number of values
divisible
variables

47. Answer to a multiplication problem
product
Reduce diagonally/vertically then multiply numerators and denominators
factor pair
composite number

48. Median
quotient
constants
Middle value
Same numerators: fraction w/ smaller denominator has larger value; Same denominators: fraction w/ larger numerator has larger value

49. PEMDAS - Parentheses - Exponents - Multiplication & Division (L to R) - Addition & Subtraction (L to R)
equation
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
order of operations
divisibility by 3 rule

50. The answer to a subtraction problem
difference
common denominator
odd number
Sum of digits divisible by 3