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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. A number that is multiplied by another number to find a producr
ratio
Probability for each event then multiply individual probabilities together
factor
Divide by 100%
2. Probability
Number of desired outcomes/number of total possible outcomes
Line up decimal points
fraction
decimal
3. Dividing decimals
fraction
digit
expanded form using exponents
Multiply by power of 10 so divisor is integer; decimal point is above that in dividend
4. Mode
expression
factor
Value occurring most frequently
Last digit 0 or 5
5. 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?
denominator
Multiply by 100%
quotient
Divisible by 2 and 3
6. A comparison of 2 numbers; one form is a fraction
ratio
whole number
number line
greater than
7. Multiplying decimals
Number of decimal places is total number of decimals places in factors multiplied
decimal
composite number
compute
8. To find the answer for; solve
Adding/subtracting 0 from number doesn't change number; number multiplied by 0 is 0; division by 0 undefined
not equal
quotient
evaluate
9. 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)
associative property
prime number
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
Line up decimal points
10. To make a percent
Multiply by 100%
Divisible by 2 and 3
greater than
Reduce diagonally/vertically then multiply numerators and denominators
11. Be identical or equivalent to
odd
inverse property
quotient
equal
12. How much a number is worth
least
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
percent
value
13. odd + even
odd
equal
Drop percent - move decimal point two place to left
compensation
14. The expression of a number as a product of prime factors; use a factor tree!
proportion
Same numerators: fraction w/ smaller denominator has larger value; Same denominators: fraction w/ larger numerator has larger value
prime factorization
value
15. Two numbers or expressions that mean the same thing - E.g. 2/3=4/6
Middle value
denominator
Same numerators: fraction w/ smaller denominator has larger value; Same denominators: fraction w/ larger numerator has larger value
equivalent
16. A value that does not change; any number
constants
number line
Divide out largest common factor
Multiply by 100%
17. 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
Divide out largest common factor
identity property
prime number
18. Properties of 0
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19. When a number is larger than the other number. Example 65 > 56
even number
Number w/o signs
Multiply by 100%
greater than
20. The greatest whole number that is a factor of two or more nonzero whole numbers
common denominator
(Amount of decrease/original whole) x100%
estimate
greatest common factor
21. Two factors together that are multiplied to equal a larger number.
terminating decimals
quotient
factor pair
denominator
22. Median
Last digit 0 or 5
Middle value
Greater spread in values
compensation
23. Comparing positive fractions
composite number
Same numerators: fraction w/ smaller denominator has larger value; Same denominators: fraction w/ larger numerator has larger value
Number of desired outcomes/number of total possible outcomes
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
24. A fraction out of 100 - %
Last digit divisible by 2
Part
Reduce diagonally/vertically then multiply numerators and denominators
percent
25. Number divisible by 2
ratio
Distributive law: multiply by LCM of all denominators; treat numerator/denominator separately
Middle value
Last digit divisible by 2
26. A number without fractions; an integer- E.g. 0 - 1 - 2 - 3 - 4 - 5 - 6 - 7 - 8 - 9...
whole number
distributive property
Last two digits divisible by 4
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
27. Percent x whole
Part
Distributive law: multiply by LCM of all denominators; treat numerator/denominator separately
improper fraction
fraction
28. The answer to a subtraction problem
Part
difference
Divisible by 2 and 3
Value occurring most frequently
29. A set of operators - numbers - variables and grouping symbols; no equal sign
expression
Number of desired outcomes/number of total possible outcomes
Invert second term - then multiply
compensation
30. A letter that represents a value that may change
digit
odd number
Value occurring most frequently
variables
31. Comparing decimal fractions
decimal
product
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
Add zeros to decimals until all decimals have same number of digits
32. 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.
Value occurring most frequently
compensation
Last digit 0 or 5
equation
33. Number divisible by 4
digit
percent
Last two digits divisible by 4
greater than
34. Percent increase
(Amount of increase/original whole) x100%
equal
even
greater than
35. Any whole number that ends with 0 - 2 - 4 - 6 - or 8 - any whole number that can be divided by 2
number line
even number
root numbers
associative property
36. To perform a calculation - E.g. 2+2=4
compute
distributive property
odd number
Invert second term - then multiply
37. 1/5 + 1/4=4/20 +5/20 and 20 is the...
Last digit divisible by 2
common denominator
percent
product
38. A line for representing and graphing numbers. Each point on the line corresponds to a number.
Middle value
odd number
number line
Sum of digits divisible by 9
39. Average value
Number of desired outcomes/number of total possible outcomes
root numbers
Sum of values/number of values
exponents
40. Reciprocal of number
associative property
percent
value
1 dividing by number
41. Properties of 1 and -1
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42. In multiplication or addition - the order of two numbers may be switched around and the answer is the same. Ex: a+b = b+a. or (1x2) x 3=1x (2x3)
place value
commutative property
LCM is LCD
proportion
43. Number divisible by 6
fraction
root numbers
Reduce diagonally/vertically then multiply numerators and denominators
Divisible by 2 and 3
44. A shortcut for writing repeated multiplication
compensation
exponents
prime factorization
least common multiple
45. Answer to a multiplication problem
number line
product
proportion
range
46. Number divisible by 5
associative property
Last digit 0 or 5
greatest common factor
Reduce diagonally/vertically then multiply numerators and denominators
47. Multiple-event probability
least common multiple
Probability for each event then multiply individual probabilities together
place value
irrational numbers
48. Dividing fractions
greatest
estimate
Invert second term - then multiply
Adding/subtracting 0 from number doesn't change number; number multiplied by 0 is 0; division by 0 undefined
49. A number written in expanded form with the place values written in exponential form - E.g. 2432=2000+400+30+2
number line
Sum of digits divisible by 3
expanded form using exponents
Invert second term - then multiply
50. Standard deviation: greater if...
terminating decimals
order of operations
greatest
Greater spread in values