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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. Not identical or equivalent to
Line up decimal points
not equal
Number w/o signs
Part

2. The value of a digit based on its position within a number - e.g. 2 -432 The position of the numbers
equation
even number
Same numerators: fraction w/ smaller denominator has larger value; Same denominators: fraction w/ larger numerator has larger value
place value

3. PEMDAS - Parentheses - Exponents - Multiplication & Division (L to R) - Addition & Subtraction (L to R)
order of operations
range
odd number
Number of decimal places is total number of decimals places in factors multiplied

4. To find a number that is close to an exact answer - E.g. 23+24 is around 50
ratio
estimate
expression
number line

5. A number made up of a whole number and a fraction
1 dividing by number
mixed number
common denominator
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

6. A number with one or more digits to the right of the decimal point - E.g. .33
(Amount of decrease/original whole) x100%
LCM is LCD
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
decimal

7. Rational numbers in decimal form that have a block of on or more digits that repeat continuously
Divisible by 2 and 3
factor
repeating decimals
divisibility by 3 rule

8. A fraction whose numerator is greater than its denominator
improper fraction
exponents
LCM is LCD
difference

9. Standard deviation: greater if...
product
Greater spread in values
Number w/o signs
composite number

10. A comparison of 2 numbers; one form is a fraction
ratio
mixed number
Divide out largest common factor
irrational numbers

11. New whole
divisible
Sum of digits divisible by 3
Original whole +/- amount of change
irrational numbers

12. A set of operators - numbers - variables and grouping symbols; no equal sign
distributive property
least
expression
equation

13. The difference between the greatest and the least numbers in a set of data.
greatest
square number
range
factor

14. Reducing fractions
difference
greatest
Divide out largest common factor
Last digit 0 or 5

15. A property of real numbers that states that the sum or product of a set of numbers is the same - regardless of how the numbers are grouped - (a+b)+c=a+(b+c) - e.g. (1+2)+3=1+(2+3)
associative property
number line
Divide out largest common factor
common denominator

16. When a number is larger than the other number. Example 65 > 56
greater than
root numbers
whole number
(Amount of increase/original whole) x100%

17. Able to be divided evenly (without a remainder)
1 dividing by number
divisible
Distributive law: multiply by LCM of all denominators; treat numerator/denominator separately
even

18. odd + even
product
least common multiple
odd
order of operations

19. Any of the symbols used to write numbers (0 - 1 - 2 - 3 - 4 - 5 - 6 - 7 - 8 - 9)
digit
(Amount of decrease/original whole) x100%
variables
identity property

20. Number divisible by 4
Last two digits divisible by 4
Greater spread in values
inverse property
Sum of values/number of values

21. To make a percent
decimal
Original whole +/- amount of change
(Amount of decrease/original whole) x100%
Multiply by 100%

22. A number with only two factors - one and itself - E.g. 3 -7 -11 -13 -17 -19...
prime number
Total A/total B
mixed number
constants

23. Absolute value of number
proportion
simplify
odd
Number w/o signs

24. An equation showing 2 ratios are equal
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
proportion
improper fraction
Invert second term - then multiply

25. 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?
numerator
Total A/total B
digit
Multiply by power of 10 so divisor is integer; decimal point is above that in dividend

26. Natural Numbers - Whole Numbers - Integers - Rational Numbers
least
distributive property
number line
rational numbers

27. Two numbers or expressions that mean the same thing - E.g. 2/3=4/6
equivalent
Sum of values/number of values
equation
proportion

28. To drop a percent
Last two digits divisible by 4
Last digit 0 or 5
associative property
Divide by 100%

29. Relationship in which a number is smaller than another
mixed number
greater than
perfect square
less than

30. Comparing positive fractions
digit
improper fraction
Same numerators: fraction w/ smaller denominator has larger value; Same denominators: fraction w/ larger numerator has larger value
even number

31. The smallest number in a group of numbers
Original whole +/- amount of change
greatest
least
Distributive law: multiply by LCM of all denominators; treat numerator/denominator separately

32. A shortcut for writing repeated multiplication
equation
exponents
improper fraction
divisibility by 3 rule

33. Properties of numbers btw -1 and 1

34. Any whole number that ends with 0 - 2 - 4 - 6 - or 8 - any whole number that can be divided by 2
compatible numbers
even number
associative property
prime factorization

35. Number divisible by 6
Sum of digits divisible by 3
Value occurring most frequently
Middle value
Divisible by 2 and 3

36. 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
even
inverse property
compatible numbers
distributive property

37. The answer to a multiplication problem
product
Divide by 100%
irrational numbers
Value occurring most frequently

38. A value that does not change; any number
(Amount of increase/original whole) x100%
constants
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
Number w/o signs

39. A number that is multiplied by another number to find a producr
Number of decimal places is total number of decimals places in factors multiplied
constants
Distributive law: multiply by LCM of all denominators; treat numerator/denominator separately
factor

40. Properties of 0

41. Two factors together that are multiplied to equal a larger number.
Multiply by 100%
factor pair
order of operations
square number

42. Median
place value
Reduce diagonally/vertically then multiply numerators and denominators
Middle value
not equal

43. A number with more than two factors
denominator
compatible numbers
composite number
simplify

44. The answer to a subtraction problem
simplify
even
difference
factor

45. A number written in expanded form with the place values written in exponential form - E.g. 2432=2000+400+30+2
irrational numbers
factor
Middle value
expanded form using exponents

46. Comparing decimal fractions
1 dividing by number
Middle value
ratio
Add zeros to decimals until all decimals have same number of digits

47. The largest number in a group of numbers
Sum of digits divisible by 9
prime number
greatest
Last two digits divisible by 4

48. To place a fraction in lowest terms
simplify
not equal
Divisible by 2 and 3
compensation

49. A number that results from multiplying a factor by itself
1 dividing by number
square number
Divisible by 2 and 3
product

50. Be identical or equivalent to
equal
terminating decimals
odd
Divisible by 2 and 3