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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. Percent decrease
Sum of digits divisible by 9
expression
Middle value
(Amount of decrease/original whole) x100%
2. Multiple-event probability
Line up decimal points
(Amount of decrease/original whole) x100%
Probability for each event then multiply individual probabilities together
prime number
3. Answer to a multiplication problem
Middle value
product
range
prime factorization
4. Mode
repeating decimals
Middle value
Value occurring most frequently
Sum of values/number of values
5. Probability
even number
Number of desired outcomes/number of total possible outcomes
Sum of digits divisible by 9
evaluate
6. Two numbers or expressions that mean the same thing - E.g. 2/3=4/6
equivalent
Distributive law: multiply by LCM of all denominators; treat numerator/denominator separately
distributive property
Divide out largest common factor
7. The value of a digit based on its position within a number - e.g. 2 -432 The position of the numbers
terminating decimals
whole number
place value
range
8. Adding/subtracting fractions
sum
odd
LCM is LCD
compute
9. A value that does not change; any number
Probability for each event then multiply individual probabilities together
odd number
decimal
constants
10. Multiplying fractions
divisible
Reduce diagonally/vertically then multiply numerators and denominators
least
order of operations
11. To find the answer for; solve
root numbers
evaluate
decimal
Sum of digits divisible by 3
12. Natural Numbers - Whole Numbers - Integers - Rational Numbers
Multiply by power of 10 so divisor is integer; decimal point is above that in dividend
rational numbers
Probability for each event then multiply individual probabilities together
factor
13. The smallest number that is a multiple of both numbers. (the LCM of 15 and 6 is 30)
divisible
factor pair
Sum of digits divisible by 3
least common multiple
14. Able to be divided evenly (without a remainder)
divisible
distributive property
inverse property
factor
15. Rational numbers in decimal form that have a block of on or more digits that repeat continuously
rational numbers
repeating decimals
identity property
Value occurring most frequently
16. Simplifying complex fractions: two methods
ratio
compensation
common denominator
Distributive law: multiply by LCM of all denominators; treat numerator/denominator separately
17. 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
greatest
factor
(Amount of decrease/original whole) x100%
18. An equation showing 2 ratios are equal
compatible numbers
proportion
simplify
Multiply by 100%
19. Multiplying decimals
Number of decimal places is total number of decimals places in factors multiplied
Adding/subtracting 0 from number doesn't change number; number multiplied by 0 is 0; division by 0 undefined
LCM is LCD
equation
20. To perform a calculation - E.g. 2+2=4
expanded form using exponents
Divide by 100%
Middle value
compute
21. The greatest whole number that is a factor of two or more nonzero whole numbers
Divisible by 2 and 3
greatest common factor
numerator
Number w/o signs
22. How much a number is worth
value
greatest
variables
improper fraction
23. 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?
Last two digits divisible by 4
less than
numerator
number line
24. 1/5 + 1/4=4/20 +5/20 and 20 is the...
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
common denominator
Value occurring most frequently
compute
25. Dividing decimals
Multiply by power of 10 so divisor is integer; decimal point is above that in dividend
1 dividing by number
Invert second term - then multiply
Number of decimal places is total number of decimals places in factors multiplied
26. Standard deviation: greater if...
associative property
Greater spread in values
decimal
ratio
27. Adding/subtracting decimals
Line up decimal points
square number
composite number
estimate
28. The answer to an addition problem
Number of decimal places is total number of decimals places in factors multiplied
even number
range
sum
29. In 4x4=16 - what is 4?
mixed number
root numbers
number line
Sum of digits divisible by 3
30. A comparison of 2 numbers; one form is a fraction
denominator
Adding/subtracting 0 from number doesn't change number; number multiplied by 0 is 0; division by 0 undefined
Last digit 0 or 5
ratio
31. 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
expression
Last two digits divisible by 4
improper fraction
32. To make a percent
improper fraction
equation
Multiply by 100%
Divisible by 2 and 3
33. 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)
common denominator
associative property
Adding/subtracting 0 from number doesn't change number; number multiplied by 0 is 0; division by 0 undefined
Divisible by 2 and 3
34. Dividing fractions
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
Invert second term - then multiply
Distributive law: multiply by LCM of all denominators; treat numerator/denominator separately
35. A number with only two factors - one and itself - E.g. 3 -7 -11 -13 -17 -19...
prime number
repeating decimals
equivalent
Number of decimal places is total number of decimals places in factors multiplied
36. To place a fraction in lowest terms
Value occurring most frequently
proportion
simplify
Original whole +/- amount of change
37. A fraction out of 100 - %
odd number
(Amount of decrease/original whole) x100%
odd
percent
38. 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.
divisible
percent
divisibility by 3 rule
compensation
39. A line for representing and graphing numbers. Each point on the line corresponds to a number.
number line
Number w/o signs
Original whole +/- amount of change
compatible numbers
40. The answer to a subtraction problem
associative property
digit
order of operations
difference
41. Percent x whole
least
Part
equation
Original whole +/- amount of change
42. 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?
evaluate
Divide out largest common factor
denominator
prime factorization
43. The difference between the greatest and the least numbers in a set of data.
product
odd number
constants
range
44. A fraction whose numerator is greater than its denominator
variables
Multiply by 100%
least common multiple
improper fraction
45. A number made up of a whole number and a fraction
digit
mixed number
Adding/subtracting 0 from number doesn't change number; number multiplied by 0 is 0; division by 0 undefined
factor pair
46. A shortcut for writing repeated multiplication
denominator
1 dividing by number
exponents
Last digit divisible by 2
47. Percent increase
quotient
(Amount of increase/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
Multiply by power of 10 so divisor is integer; decimal point is above that in dividend
48. Reducing fractions
Divide out largest common factor
Multiply by power of 10 so divisor is integer; decimal point is above that in dividend
least common multiple
factor pair
49. Absolute value of number
Number w/o signs
Multiply by 100%
greater than
Probability for each event then multiply individual probabilities together
50. To drop a percent
Divide by 100%
Reduce diagonally/vertically then multiply numerators and denominators
greatest common factor
greatest