Test your basic knowledge |

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. Relationship in which a number is smaller than another
divisibility by 3 rule
less than
range
variables

2. Number divisible by 3
least
improper fraction
Sum of digits divisible by 3
divisibility by 3 rule

3. Number divisible by 6
Divisible by 2 and 3
Greater spread in values
Reduce diagonally/vertically then multiply numerators and denominators
improper fraction

4. A fraction out of 100 - %
constants
percent
exponents
associative property

5. Number divisible by 9
place value
Sum of digits divisible by 9
decimal
factor

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

7. Simplifying complex fractions: two methods
exponents
product
odd
Distributive law: multiply by LCM of all denominators; treat numerator/denominator separately

8. To make a percent
Multiply by 100%
value
irrational numbers
associative property

9. Two expressions that are set equal to each other; a number sentence with an equal sign
equation
composite number
greater than
perfect square

10. To drop a percent
Divide by 100%
product
percent
prime factorization

11. Numbers that are easy to compute mentally - E.g. 34 / 5 is close to 35 / 5
improper fraction
product
compatible numbers
Same numerators: fraction w/ smaller denominator has larger value; Same denominators: fraction w/ larger numerator has larger value

12. Average value
less than
Sum of values/number of values
divisible
inverse property

13. Reciprocal of number
Greater spread in values
identity property
1 dividing by number
(Amount of decrease/original whole) x100%

14. Add up the digits; if the sum is a multiple of 3 the number is divisible by 3
divisibility by 3 rule
1 dividing by number
equivalent
Value occurring most frequently

15. PEMDAS - Parentheses - Exponents - Multiplication & Division (L to R) - Addition & Subtraction (L to R)
equal
order of operations
even
divisibility by 3 rule

16. Multiplying decimals
Number of decimal places is total number of decimals places in factors multiplied
least
Add zeros to decimals until all decimals have same number of digits
order of operations

17. Number divisible by 2
evaluate
Last digit divisible by 2
(Amount of decrease/original whole) x100%
prime factorization

18. New whole
denominator
(Amount of increase/original whole) x100%
prime factorization
Original whole +/- amount of change

19. To place a fraction in lowest terms
Last digit divisible by 2
divisibility by 3 rule
numerator
simplify

20. A fraction whose numerator is greater than its denominator
evaluate
Divide by 100%
improper fraction
place value

21. The difference between the greatest and the least numbers in a set of data.
range
Last two digits divisible by 4
numerator
decimal

22. Probability
Last digit divisible by 2
Adding/subtracting 0 from number doesn't change number; number multiplied by 0 is 0; division by 0 undefined
Number of desired outcomes/number of total possible outcomes
1 dividing by number

23. 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?
decimal
Sum of digits divisible by 3
denominator
value

24. The answer to a subtraction problem
Last two digits divisible by 4
greatest common factor
difference
ratio

25. Any whole number that ends with 0 - 2 - 4 - 6 - or 8 - any whole number that can be divided by 2
composite number
inverse property
even number
greatest

26. A number without fractions; an integer- E.g. 0 - 1 - 2 - 3 - 4 - 5 - 6 - 7 - 8 - 9...
whole number
square number
Invert second term - then multiply
Divide by 100%

27. A whole number such as 1 - 3 - 5 and so on that cannot be evenly divisible by 2
odd number
value
even
mixed number

28. Reducing fractions
expression
Original whole +/- amount of change
Sum of values/number of values
Divide out largest common factor

29. Properties of 1 and -1

Warning: Invalid argument supplied for foreach() in /var/www/html/basicversity.com/show_quiz.php on line 183

30. To change a percent to a decimal
less than
Drop percent - move decimal point two place to left
Sum of digits divisible by 3
equivalent

31. The smallest number in a group of numbers
least
Distributive law: multiply by LCM of all denominators; treat numerator/denominator separately
number line
terminating decimals

32. A value that does not change; any number
Reduce diagonally/vertically then multiply numerators and denominators
constants
Last digit 0 or 5
odd

33. The value of a digit based on its position within a number - e.g. 2 -432 The position of the numbers
quotient
place value
LCM is LCD
factor pair

34. A number with only two factors - one and itself - E.g. 3 -7 -11 -13 -17 -19...
Adding/subtracting 0 from number doesn't change number; number multiplied by 0 is 0; division by 0 undefined
common denominator
1 dividing by number
prime number

35. A shortcut for writing repeated multiplication
factor
repeating decimals
terminating decimals
exponents

36. A number made up of a whole number and a fraction
denominator
Number w/o signs
expression
mixed number

37. Be identical or equivalent to
common denominator
proportion
equal
distributive property

38. Rational numbers that expressed in decimal format that have fixed number of digits. 1.5 etc.
number line
terminating decimals
value
proportion

39. Percent increase
inverse property
Reduce diagonally/vertically then multiply numerators and denominators
product
(Amount of increase/original whole) x100%

40. The greatest whole number that is a factor of two or more nonzero whole numbers
common denominator
Multiply by power of 10 so divisor is integer; decimal point is above that in dividend
greatest common factor
equal

41. To find a number that is close to an exact answer - E.g. 23+24 is around 50
estimate
Reduce diagonally/vertically then multiply numerators and denominators
repeating decimals
Original whole +/- amount of change

42. When you add 0 to a number - or mulltiply a number by 1 - the result is the same number - e.g. Identity Property of Multiplication: 21x1=1x21=21 or 300x 1 = 300
product
identity property
numerator
Total A/total B

43. A number that represents a part of a whole or a group; also means 'divided by' - E.g. 1/2 -3/4.5/6
fraction
Multiply by power of 10 so divisor is integer; decimal point is above that in dividend
value
product

44. To find the answer for; solve
range
identity property
evaluate
common denominator

45. 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)=
distributive property
mixed number
product
less than

46. An equation showing 2 ratios are equal
associative property
proportion
Last digit divisible by 2
Last digit 0 or 5

47. Two numbers or expressions that mean the same thing - E.g. 2/3=4/6
equivalent
Total A/total B
equal
product

48. The answer to a multiplication problem
product
Multiply by 100%
Line up decimal points
compensation

49. A number written in expanded form with the place values written in exponential form - E.g. 2432=2000+400+30+2
distributive property
product
Multiply by power of 10 so divisor is integer; decimal point is above that in dividend
expanded form using exponents

50. Percent decrease
factor pair
sum
(Amount of decrease/original whole) x100%
root numbers