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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. Average A per B
common denominator
denominator
Total A/total B
Sum of digits divisible by 3

2. 8x8=64 What is 64?
perfect square
Same numerators: fraction w/ smaller denominator has larger value; Same denominators: fraction w/ larger numerator has larger value
expanded form using exponents
exponents

3. Adding/subtracting decimals
Divide by 100%
expanded form using exponents
Line up decimal points
numerator

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

5. Any whole number that ends with 0 - 2 - 4 - 6 - or 8 - any whole number that can be divided by 2
Sum of digits divisible by 3
order of operations
inverse property
even number

6. Relationship in which a number is smaller than another
less than
divisible
Sum of values/number of values
denominator

7. Dividing fractions
greatest
estimate
1 dividing by number
Invert second term - then multiply

8. 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?
associative 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
denominator
equal

9. A number that is multiplied by another number to find a producr
quotient
prime number
factor
Divide by 100%

10. A comparison of 2 numbers; one form is a fraction
fraction
ratio
quotient
greatest

11. Reducing fractions
perfect square
least common multiple
Line up decimal points
Divide out largest common factor

12. Answer to a multiplication problem
Distributive law: multiply by LCM of all denominators; treat numerator/denominator separately
Divide by 100%
Middle value
product

13. Rational numbers in decimal form that have a block of on or more digits that repeat continuously
repeating decimals
Number w/o signs
Middle value
distributive property

14. Rational numbers that expressed in decimal format that have fixed number of digits. 1.5 etc.
composite number
Total A/total B
denominator
terminating decimals

15. A number written in expanded form with the place values written in exponential form - E.g. 2432=2000+400+30+2
1 dividing by number
expanded form using exponents
Last two digits divisible by 4
estimate

16. The value of a digit based on its position within a number - e.g. 2 -432 The position of the numbers
composite number
equal
place value
Part

17. Two factors together that are multiplied to equal a larger number.
greatest
commutative property
factor pair
improper fraction

18. Add up the digits; if the sum is a multiple of 3 the number is divisible by 3
common denominator
commutative property
divisibility by 3 rule
Greater spread in values

19. In 4x4=16 - what is 4?
product
associative property
divisible
root numbers

20. A number made up of a whole number and a fraction
product
evaluate
proportion
mixed number

21. Able to be divided evenly (without a remainder)
divisible
greatest common factor
compute
LCM is LCD

22. The smallest number that is a multiple of both numbers. (the LCM of 15 and 6 is 30)
expanded form using exponents
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
least common multiple
product

23. Answer to a division problem
product
quotient
compute
Line up decimal points

24. A letter that represents a value that may change
greatest common factor
variables
range
Original whole +/- amount of change

25. 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
terminating decimals
Sum of digits divisible by 3
irrational numbers
Number of decimal places is total number of decimals places in factors multiplied

26. How much a number is worth
even
value
perfect square
(Amount of increase/original whole) x100%

27. A number with more than two factors
less than
order of operations
composite number
expression

28. 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)
even
variables
associative property
rational numbers

29. A fraction whose numerator is greater than its denominator
Drop percent - move decimal point two place to left
composite number
improper fraction
whole number

30. The answer to an addition problem
proportion
sum
denominator
(Amount of increase/original whole) x100%

31. Not identical or equivalent to
Divide out largest common factor
ratio
greatest common factor
not equal

32. 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
rational numbers
decimal
equivalent
inverse property

33. Mode
irrational numbers
Value occurring most frequently
Sum of values/number of values
identity property

34. odd + odd
fraction
terminating decimals
Probability for each event then multiply individual probabilities together
even

35. A shortcut for writing repeated multiplication
commutative property
Last digit divisible by 2
least
exponents

36. To drop a percent
perfect square
Divide by 100%
Divisible by 2 and 3
Middle value

37. Choosing numbers close to the numbers in a problem - and then adjusting the answer to compensate for the numbers chosen - E.g. 23 + 18 and 23+20=43 Since 2 was added to 18 to make 20 - we need to take 2 away from 43.
compute
compensation
identity property
odd

38. PEMDAS - Parentheses - Exponents - Multiplication & Division (L to R) - Addition & Subtraction (L to R)
Sum of values/number of values
order of operations
equivalent
Divide out largest common factor

39. Probability
factor
Last digit 0 or 5
Number of desired outcomes/number of total possible outcomes
digit

40. Multiplying decimals
even
factor
expanded form using exponents
Number of decimal places is total number of decimals places in factors multiplied

41. Be identical or equivalent to
equal
Greater spread in values
factor
not equal

42. 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)=
divisibility by 3 rule
value
distributive property
greatest common factor

43. To perform a calculation - E.g. 2+2=4
compute
even number
denominator
Last two digits divisible by 4

44. odd + even
odd
Reduce diagonally/vertically then multiply numerators and denominators
Divide out largest common factor
1 dividing by number

45. A number with one or more digits to the right of the decimal point - E.g. .33
Adding/subtracting 0 from number doesn't change number; number multiplied by 0 is 0; division by 0 undefined
Original whole +/- amount of change
decimal
improper fraction

46. A number with only two factors - one and itself - E.g. 3 -7 -11 -13 -17 -19...
prime number
quotient
range
common denominator

47. Number divisible by 3
Sum of digits divisible by 3
Number w/o signs
factor
Middle value

48. The greatest whole number that is a factor of two or more nonzero whole numbers
numerator
1 dividing by number
greatest common factor
Middle value

49. Number divisible by 9
Sum of digits divisible by 9
Same numerators: fraction w/ smaller denominator has larger value; Same denominators: fraction w/ larger numerator has larger value
decimal
percent

50. Percent decrease
value
not equal
simplify
(Amount of decrease/original whole) x100%