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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. How much a number is worth
value
composite number
(Amount of increase/original whole) x100%
Line up decimal points

2. A fraction whose numerator is greater than its denominator
percent
Sum of values/number of values
improper fraction
terminating decimals

3. Percent increase
(Amount of increase/original whole) x100%
place value
estimate
greater than

4. Percent x whole
evaluate
whole number
terminating decimals
Part

5. The smallest number that is a multiple of both numbers. (the LCM of 15 and 6 is 30)
least common multiple
odd number
Last digit divisible by 2
greater than

6. Number divisible by 9
evaluate
number line
Sum of values/number of values
Sum of digits divisible by 9

7. Percent decrease
Number of decimal places is total number of decimals places in factors multiplied
(Amount of decrease/original whole) x100%
Sum of values/number of values
less than

8. Any whole number that ends with 0 - 2 - 4 - 6 - or 8 - any whole number that can be divided by 2
divisible
even number
Sum of digits divisible by 9
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. A number written in expanded form with the place values written in exponential form - E.g. 2432=2000+400+30+2
product
Multiply by 100%
expanded form using exponents
Last two digits divisible by 4

10. Rational numbers in decimal form that have a block of on or more digits that repeat continuously
Multiply by power of 10 so divisor is integer; decimal point is above that in dividend
equivalent
repeating decimals
Sum of digits divisible by 9

11. A shortcut for writing repeated multiplication
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
Original whole +/- amount of change
repeating decimals

12. Number divisible by 6
Greater spread in values
Adding/subtracting 0 from number doesn't change number; number multiplied by 0 is 0; division by 0 undefined
greater than
Divisible by 2 and 3

13. 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?
number line
prime number
denominator
variables

14. Dividing decimals
equal
Middle value
Part
Multiply by power of 10 so divisor is integer; decimal point is above that in dividend

15. Mode
Same numerators: fraction w/ smaller denominator has larger value; Same denominators: fraction w/ larger numerator has larger value
proportion
Value occurring most frequently
Sum of values/number of values

16. Comparing positive fractions
Reduce diagonally/vertically then multiply numerators and denominators
Same numerators: fraction w/ smaller denominator has larger value; Same denominators: fraction w/ larger numerator has larger value
numerator
evaluate

17. Number divisible by 5
perfect square
Number of desired outcomes/number of total possible outcomes
product
Last digit 0 or 5

18. New whole
Reduce diagonally/vertically then multiply numerators and denominators
Number of decimal places is total number of decimals places in factors multiplied
Original whole +/- amount of change
identity property

19. Adding/subtracting decimals
decimal
difference
Line up decimal points
Drop percent - move decimal point two place to left

20. A comparison of 2 numbers; one form is a fraction
factor pair
ratio
Reduce diagonally/vertically then multiply numerators and denominators
sum

21. 1/5 + 1/4=4/20 +5/20 and 20 is the...
common denominator
evaluate
Total A/total B
repeating decimals

22. Median
Middle value
Distributive law: multiply by LCM of all denominators; treat numerator/denominator separately
least common multiple
least

23. Multiplying fractions
greatest
terminating decimals
estimate
Reduce diagonally/vertically then multiply numerators and denominators

24. Properties of 0

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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?
(Amount of increase/original whole) x100%
Multiply by power of 10 so divisor is integer; decimal point is above that in dividend
constants
numerator

26. The value of a digit based on its position within a number - e.g. 2 -432 The position of the numbers
rational numbers
place value
fraction
Reduce diagonally/vertically then multiply numerators and denominators

27. A number without fractions; an integer- E.g. 0 - 1 - 2 - 3 - 4 - 5 - 6 - 7 - 8 - 9...
variables
Last two digits divisible by 4
whole number
Total A/total B

28. A number with one or more digits to the right of the decimal point - E.g. .33
mixed number
decimal
Value occurring most frequently
range

29. Reducing fractions
Sum of values/number of values
terminating decimals
Divide out largest common factor
ratio

30. Reciprocal of number
1 dividing by number
simplify
Divisible by 2 and 3
proportion

31. Able to be divided evenly (without a remainder)
divisible
even
Drop percent - move decimal point two place to left
Adding/subtracting 0 from number doesn't change number; number multiplied by 0 is 0; division by 0 undefined

32. A number with only two factors - one and itself - E.g. 3 -7 -11 -13 -17 -19...
equation
prime number
Sum of values/number of values
Adding/subtracting 0 from number doesn't change number; number multiplied by 0 is 0; division by 0 undefined

33. Be identical or equivalent to
distributive property
equal
place value
least common multiple

34. To perform a calculation - E.g. 2+2=4
compute
square number
Invert second term - then multiply
Original whole +/- amount of change

35. Comparing decimal fractions
compute
Add zeros to decimals until all decimals have same number of digits
denominator
prime number

36. To find the answer for; solve
denominator
evaluate
1 dividing by number
Part

37. The expression of a number as a product of prime factors; use a factor tree!
Part
identity property
prime number
prime factorization

38. Add up the digits; if the sum is a multiple of 3 the number is divisible by 3
divisibility by 3 rule
Part
identity property
compensation

39. A letter that represents a value that may change
improper fraction
variables
Reduce diagonally/vertically then multiply numerators and denominators
Line up decimal points

40. The greatest whole number that is a factor of two or more nonzero whole numbers
percent
odd
greatest common factor
perfect square

41. To find a number that is close to an exact answer - E.g. 23+24 is around 50
estimate
odd
even
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

42. odd + even
odd
Value occurring most frequently
greater than
distributive property

43. Properties of numbers btw -1 and 1

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44. A line for representing and graphing numbers. Each point on the line corresponds to a number.
proportion
number line
Sum of digits divisible by 9
Add zeros to decimals until all decimals have same number of digits

45. Answer to a division problem
sum
product
quotient
inverse property

46. A fraction out of 100 - %
Original whole +/- amount of change
identity property
Middle value
percent

47. Adding/subtracting fractions
whole number
even
LCM is LCD
Number w/o signs

48. A value that does not change; any number
fraction
repeating decimals
constants
value

49. Natural Numbers - Whole Numbers - Integers - Rational Numbers
rational numbers
identity property
Sum of digits divisible by 9
Reduce diagonally/vertically then multiply numerators and denominators

50. 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
Greater spread in values
inverse property
root numbers
Total A/total B