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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. Multiplying fractions
expanded form using exponents
sum
commutative property
Reduce diagonally/vertically then multiply numerators and denominators

2. Mode
expression
Value occurring most frequently
Original whole +/- amount of change
Number w/o signs

3. Be identical or equivalent to
equal
Number of desired outcomes/number of total possible outcomes
Distributive law: multiply by LCM of all denominators; treat numerator/denominator separately
ratio

4. An equation showing 2 ratios are equal
Part
proportion
irrational numbers
Last digit divisible by 2

5. To make a percent
expanded form using exponents
prime factorization
Multiply by 100%
Middle value

6. Not identical or equivalent to
Adding/subtracting 0 from number doesn't change number; number multiplied by 0 is 0; division by 0 undefined
expanded form using exponents
equation
not equal

7. 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
Number w/o signs
factor pair
greatest common factor
irrational numbers

8. Reciprocal of number
Sum of values/number of values
greatest common factor
1 dividing by number
Last digit 0 or 5

9. Properties of numbers btw -1 and 1

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10. 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
Distributive law: multiply by LCM of all denominators; treat numerator/denominator separately
variables
place value

11. A number that results from multiplying a factor by itself
square number
LCM is LCD
greater than
order of operations

12. Multiplying decimals
(Amount of increase/original whole) x100%
Number of decimal places is total number of decimals places in factors multiplied
identity property
Total A/total B

13. 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
compensation
distributive property
square number

14. Number divisible by 4
Number of desired outcomes/number of total possible outcomes
Last two digits divisible by 4
Part
(Amount of decrease/original whole) x100%

15. Number divisible by 9
denominator
Sum of digits divisible by 9
not equal
difference

16. A number written in expanded form with the place values written in exponential form - E.g. 2432=2000+400+30+2
odd number
Sum of values/number of values
difference
expanded form using exponents

17. Comparing positive fractions
number line
improper fraction
repeating decimals
Same numerators: fraction w/ smaller denominator has larger value; Same denominators: fraction w/ larger numerator has larger value

18. 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?
identity property
odd number
denominator
ratio

19. Two factors together that are multiplied to equal a larger number.
Number of decimal places is total number of decimals places in factors multiplied
least
value
factor pair

20. Natural Numbers - Whole Numbers - Integers - Rational Numbers
place value
rational numbers
mixed number
greater than

21. Adding/subtracting decimals
Line up decimal points
place value
Last digit divisible by 2
Add zeros to decimals until all decimals have same number of digits

22. Percent x whole
Last digit divisible by 2
Part
Divisible by 2 and 3
Last two digits divisible by 4

23. In 4x4=16 - what is 4?
associative property
Last digit divisible by 2
exponents
root numbers

24. Multiple-event probability
irrational numbers
product
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

25. Adding/subtracting fractions
odd number
LCM is LCD
whole number
Invert second term - then multiply

26. Add up the digits; if the sum is a multiple of 3 the number is divisible by 3
divisibility by 3 rule
even number
Number w/o signs
Part

27. 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)=
equivalent
distributive property
factor
Divide out largest common factor

28. Standard deviation: greater if...
Greater spread in values
commutative property
place value
product

29. Two expressions that are set equal to each other; a number sentence with an equal sign
equation
range
digit
product

30. A fraction out of 100 - %
simplify
(Amount of decrease/original whole) x100%
percent
value

31. The answer to a subtraction problem
improper fraction
greatest
difference
Last digit divisible by 2

32. The smallest number that is a multiple of both numbers. (the LCM of 15 and 6 is 30)
number line
least common multiple
variables
LCM is LCD

33. 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
fraction
range
digit

34. A shortcut for writing repeated multiplication
prime number
exponents
rational numbers
percent

35. A number that is multiplied by another number to find a producr
inverse property
place value
factor
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

36. A number without fractions; an integer- E.g. 0 - 1 - 2 - 3 - 4 - 5 - 6 - 7 - 8 - 9...
associative property
compute
difference
whole number

37. Dividing fractions
exponents
Invert second term - then multiply
number line
Greater spread in values

38. When a number is larger than the other number. Example 65 > 56
greater than
expanded form using exponents
prime number
perfect square

39. Properties of 0

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40. A number with more than two factors
composite number
factor pair
ratio
factor

41. Reducing fractions
Divide out largest common factor
Original whole +/- amount of change
commutative property
equation

42. odd + even
1 dividing by number
odd
constants
Sum of values/number of values

43. Number divisible by 3
identity property
Sum of digits divisible by 3
Multiply by power of 10 so divisor is integer; decimal point is above that in dividend
square number

44. The largest number in a group of numbers
constants
product
percent
greatest

45. How much a number is worth
divisibility by 3 rule
value
Same numerators: fraction w/ smaller denominator has larger value; Same denominators: fraction w/ larger numerator has larger value
percent

46. A value that does not change; any number
constants
place value
expanded form using exponents
divisibility by 3 rule

47. To find a number that is close to an exact answer - E.g. 23+24 is around 50
1 dividing by number
estimate
digit
inverse property

48. Number divisible by 5
square number
common denominator
Divisible by 2 and 3
Last digit 0 or 5

49. A number made up of a whole number and a fraction
evaluate
divisibility by 3 rule
repeating decimals
mixed number

50. A number with only two factors - one and itself - E.g. 3 -7 -11 -13 -17 -19...
prime number
expanded form using exponents
Part
number line