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Test your basic knowledge |
Number Sense Vocab
Start Test
Study First
Subjects
:
math
,
number-sense
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. Number divisible by 4
Sum of digits divisible by 3
Multiply by power of 10 so divisor is integer; decimal point is above that in dividend
Last two digits divisible by 4
variables
2. A number with one or more digits to the right of the decimal point - E.g. .33
1 dividing by number
decimal
order of operations
Multiply by 100%
3. To perform a calculation - E.g. 2+2=4
proportion
compute
expanded form using exponents
greatest
4. The smallest number in a group of numbers
Part
Divide by 100%
least
square number
5. A letter that represents a value that may change
evaluate
Adding/subtracting 0 from number doesn't change number; number multiplied by 0 is 0; division by 0 undefined
irrational numbers
variables
6. To place a fraction in lowest terms
Divisible by 2 and 3
perfect square
associative property
simplify
7. New whole
whole number
Original whole +/- amount of change
greater than
Drop percent - move decimal point two place to left
8. Number divisible by 5
Last digit 0 or 5
greatest common factor
Last digit divisible by 2
(Amount of decrease/original whole) x100%
9. 8x8=64 What is 64?
Probability for each event then multiply individual probabilities together
perfect square
Drop percent - move decimal point two place to left
place value
10. Median
Last digit divisible by 2
Middle value
place value
fraction
11. The answer to a subtraction problem
Probability for each event then multiply individual probabilities together
even number
difference
inverse property
12. A shortcut for writing repeated multiplication
odd
exponents
not equal
Value occurring most frequently
13. A comparison of 2 numbers; one form is a fraction
ratio
constants
terminating decimals
denominator
14. The difference between the greatest and the least numbers in a set of data.
common denominator
range
distributive property
compensation
15. 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
associative property
Value occurring most frequently
identity property
Total A/total B
16. The expression of a number as a product of prime factors; use a factor tree!
prime factorization
Divide out largest common factor
even
divisibility by 3 rule
17. When a number is larger than the other number. Example 65 > 56
greater than
square number
Multiply by 100%
divisibility by 3 rule
18. 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)
improper fraction
odd number
Number of decimal places is total number of decimals places in factors multiplied
associative property
19. Any whole number that ends with 0 - 2 - 4 - 6 - or 8 - any whole number that can be divided by 2
Adding/subtracting 0 from number doesn't change number; number multiplied by 0 is 0; division by 0 undefined
divisibility by 3 rule
expression
even number
20. Not identical or equivalent to
place value
square number
not equal
compensation
21. Answer to a division problem
identity property
constants
range
quotient
22. The smallest number that is a multiple of both numbers. (the LCM of 15 and 6 is 30)
place value
least common multiple
compatible numbers
Adding/subtracting 0 from number doesn't change number; number multiplied by 0 is 0; division by 0 undefined
23. Adding/subtracting fractions
Number of decimal places is total number of decimals places in factors multiplied
equation
LCM is LCD
odd number
24. Reciprocal of number
odd
Divide out largest common factor
inverse property
1 dividing by number
25. Be identical or equivalent to
variables
Invert second term - then multiply
equal
Drop percent - move decimal point two place to left
26. A number with only two factors - one and itself - E.g. 3 -7 -11 -13 -17 -19...
Divisible by 2 and 3
root numbers
prime number
Part
27. Numbers that are easy to compute mentally - E.g. 34 / 5 is close to 35 / 5
compatible numbers
quotient
improper fraction
distributive property
28. A fraction out of 100 - %
percent
numerator
inverse property
Drop percent - move decimal point two place to left
29. The largest number in a group of numbers
greatest
divisibility by 3 rule
sum
LCM is LCD
30. Dividing decimals
Last digit 0 or 5
Distributive law: multiply by LCM of all denominators; treat numerator/denominator separately
Multiply by power of 10 so divisor is integer; decimal point is above that in dividend
commutative property
31. Answer to a multiplication problem
product
estimate
expanded form using exponents
Drop percent - move decimal point two place to left
32. Two factors together that are multiplied to equal a larger number.
expression
Divide by 100%
perfect square
factor pair
33. A number without fractions; an integer- E.g. 0 - 1 - 2 - 3 - 4 - 5 - 6 - 7 - 8 - 9...
repeating decimals
whole number
least
value
34. odd + even
even
divisible
odd
exponents
35. A number written in expanded form with the place values written in exponential form - E.g. 2432=2000+400+30+2
order of operations
expanded form using exponents
Multiply by power of 10 so divisor is integer; decimal point is above that in dividend
Same numerators: fraction w/ smaller denominator has larger value; Same denominators: fraction w/ larger numerator has larger value
36. To change a percent to a decimal
even
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
Drop percent - move decimal point two place to left
composite number
37. A line for representing and graphing numbers. Each point on the line corresponds to a number.
Sum of values/number of values
even
quotient
number line
38. Number divisible by 6
Number of decimal places is total number of decimals places in factors multiplied
root numbers
constants
Divisible by 2 and 3
39. Able to be divided evenly (without a remainder)
quotient
divisible
digit
perfect square
40. Any of the symbols used to write numbers (0 - 1 - 2 - 3 - 4 - 5 - 6 - 7 - 8 - 9)
rational numbers
digit
Add zeros to decimals until all decimals have same number of digits
Divisible by 2 and 3
41. The greatest whole number that is a factor of two or more nonzero whole numbers
Last two digits divisible by 4
Number of desired outcomes/number of total possible outcomes
range
greatest common factor
42. 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 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
numerator
greatest
43. 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)=
Total A/total B
distributive property
Adding/subtracting 0 from number doesn't change number; number multiplied by 0 is 0; division by 0 undefined
associative property
44. Multiple-event probability
Original whole +/- amount of change
divisibility by 3 rule
numerator
Probability for each event then multiply individual probabilities together
45. Percent increase
Number of desired outcomes/number of total possible outcomes
commutative property
1 dividing by number
(Amount of increase/original whole) x100%
46. Properties of 0
47. Absolute value of number
odd number
percent
equation
Number w/o signs
48. Rational numbers in decimal form that have a block of on or more digits that repeat continuously
Sum of digits divisible by 9
square number
repeating decimals
difference
49. Simplifying complex fractions: two methods
whole number
Divisible by 2 and 3
Distributive law: multiply by LCM of all denominators; treat numerator/denominator separately
estimate
50. Reducing fractions
Add zeros to decimals until all decimals have same number of digits
Divide out largest common factor
common denominator
Last two digits divisible by 4