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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. Rational numbers in decimal form that have a block of on or more digits that repeat continuously
repeating decimals
less than
even
prime number

2. A set of operators - numbers - variables and grouping symbols; no equal sign
proportion
Divide by 100%
Adding/subtracting 0 from number doesn't change number; number multiplied by 0 is 0; division by 0 undefined
expression

3. How much a number is worth
rational numbers
value
prime factorization
difference

4. Comparing positive fractions
Line up decimal points
equation
Same numerators: fraction w/ smaller denominator has larger value; Same denominators: fraction w/ larger numerator has larger value
equal

5. The answer to an addition problem
variables
product
sum
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

6. 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.
improper fraction
terminating decimals
compensation
not equal

7. A fraction out of 100 - %
factor pair
percent
fraction
Part

8. An equation showing 2 ratios are equal
identity property
proportion
Last two digits divisible by 4
range

9. A number written in expanded form with the place values written in exponential form - E.g. 2432=2000+400+30+2
range
even
Total A/total B
expanded form using exponents

10. Number divisible by 4
least common multiple
Last two digits divisible by 4
order of operations
Sum of digits divisible by 3

11. The greatest whole number that is a factor of two or more nonzero whole numbers
percent
greatest
factor pair
greatest common factor

12. A number without fractions; an integer- E.g. 0 - 1 - 2 - 3 - 4 - 5 - 6 - 7 - 8 - 9...
square number
whole number
least common multiple
Multiply by 100%

13. 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
equation
least
even

14. Two factors together that are multiplied to equal a larger number.
perfect square
(Amount of decrease/original whole) x100%
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
factor pair

15. Rational numbers that expressed in decimal format that have fixed number of digits. 1.5 etc.
(Amount of decrease/original whole) x100%
common denominator
Sum of values/number of values
terminating decimals

16. Answer to a division problem
Drop percent - move decimal point two place to left
percent
quotient
equation

17. 8x8=64 What is 64?
Divide by 100%
inverse property
Last digit divisible by 2
perfect square

18. Number divisible by 2
Greater spread in values
Sum of digits divisible by 9
Last digit divisible by 2
Last two digits divisible by 4

19. Multiplying fractions
product
Reduce diagonally/vertically then multiply numerators and denominators
(Amount of decrease/original whole) x100%
exponents

20. Average A per B
Divide by 100%
1 dividing by number
Total A/total B
factor pair

21. Relationship in which a number is smaller than another
less than
Last digit 0 or 5
not equal
Middle value

22. PEMDAS - Parentheses - Exponents - Multiplication & Division (L to R) - Addition & Subtraction (L to R)
improper fraction
order of operations
Same numerators: fraction w/ smaller denominator has larger value; Same denominators: fraction w/ larger numerator has larger value
expanded form using exponents

23. A number with more than two factors
greater than
composite number
Distributive law: multiply by LCM of all denominators; treat numerator/denominator separately
even number

24. 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?
Original whole +/- amount of change
equation
odd number
denominator

25. To find the answer for; solve
evaluate
Add zeros to decimals until all decimals have same number of digits
Number of decimal places is total number of decimals places in factors multiplied
equivalent

26. Properties of numbers btw -1 and 1

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27. To make a percent
Multiply by 100%
less than
Last digit 0 or 5
whole number

28. A shortcut for writing repeated multiplication
not equal
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
fraction

29. Natural Numbers - Whole Numbers - Integers - Rational Numbers
mixed number
equation
rational numbers
ratio

30. To find a number that is close to an exact answer - E.g. 23+24 is around 50
perfect square
Multiply by power of 10 so divisor is integer; decimal point is above that in dividend
estimate
divisible

31. Any of the symbols used to write numbers (0 - 1 - 2 - 3 - 4 - 5 - 6 - 7 - 8 - 9)
root numbers
Last digit 0 or 5
digit
Value occurring most frequently

32. To change a percent to a decimal
(Amount of decrease/original whole) x100%
fraction
perfect square
Drop percent - move decimal point two place to left

33. Answer to a multiplication problem
product
Number of decimal places is total number of decimals places in factors multiplied
divisible
quotient

34. The difference between the greatest and the least numbers in a set of data.
range
Divide by 100%
prime number
square number

35. odd + odd
Last digit divisible by 2
Original whole +/- amount of change
associative property
even

36. Adding/subtracting fractions
digit
LCM is LCD
improper fraction
product

37. When a number is larger than the other number. Example 65 > 56
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
difference
greater than
Number w/o signs

38. New whole
Original whole +/- amount of change
inverse property
difference
Value occurring most frequently

39. 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)=
Number w/o signs
fraction
mixed number
distributive property

40. Percent increase
(Amount of increase/original whole) x100%
variables
Part
inverse property

41. Average value
(Amount of increase/original whole) x100%
Sum of values/number of values
Add zeros to decimals until all decimals have same number of digits
LCM is LCD

42. Two numbers or expressions that mean the same thing - E.g. 2/3=4/6
distributive property
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
equivalent
denominator

43. A number with one or more digits to the right of the decimal point - E.g. .33
Divide by 100%
decimal
equivalent
whole number

44. Properties of 1 and -1

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45. Any whole number that ends with 0 - 2 - 4 - 6 - or 8 - any whole number that can be divided by 2
(Amount of decrease/original whole) x100%
factor pair
even number
Sum of values/number of values

46. A line for representing and graphing numbers. Each point on the line corresponds to a number.
number line
range
prime number
Invert second term - then multiply

47. A number that represents a part of a whole or a group; also means 'divided by' - E.g. 1/2 -3/4.5/6
1 dividing by number
fraction
Invert second term - then multiply
(Amount of increase/original whole) x100%

48. Simplifying complex fractions: two methods
Adding/subtracting 0 from number doesn't change number; number multiplied by 0 is 0; division by 0 undefined
factor pair
Distributive law: multiply by LCM of all denominators; treat numerator/denominator separately
simplify

49. Reciprocal of number
1 dividing by number
Multiply by 100%
associative property
commutative property

50. A value that does not change; any number
constants
inverse property
expression
LCM is LCD