SUBJECTS
|
BROWSE
|
CAREER CENTER
|
POPULAR
|
JOIN
|
LOGIN
Business Skills
|
Soft Skills
|
Basic Literacy
|
Certifications
About
|
Help
|
Privacy
|
Terms
|
Email
Search
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. Comparing positive fractions
Same numerators: fraction w/ smaller denominator has larger value; Same denominators: fraction w/ larger numerator has larger value
common denominator
even number
factor
2. A number with one or more digits to the right of the decimal point - E.g. .33
value
decimal
Greater spread in values
Drop percent - move decimal point two place to left
3. Multiplying fractions
Divisible by 2 and 3
Reduce diagonally/vertically then multiply numerators and denominators
percent
Number of decimal places is total number of decimals places in factors multiplied
4. A fraction out of 100 - %
rational numbers
prime number
percent
LCM is LCD
5. The answer to a subtraction problem
difference
Sum of digits divisible by 3
product
Original whole +/- amount of change
6. Number divisible by 6
Divisible by 2 and 3
Number w/o signs
factor
not equal
7. Numbers that are easy to compute mentally - E.g. 34 / 5 is close to 35 / 5
equal
(Amount of decrease/original whole) x100%
compatible numbers
value
8. Number divisible by 2
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
Last digit divisible by 2
estimate
Middle value
9. Two factors together that are multiplied to equal a larger number.
factor pair
odd number
LCM is LCD
expression
10. A shortcut for writing repeated multiplication
repeating decimals
denominator
exponents
expanded form using exponents
11. To make a percent
Multiply by 100%
fraction
Adding/subtracting 0 from number doesn't change number; number multiplied by 0 is 0; division by 0 undefined
denominator
12. To find a number that is close to an exact answer - E.g. 23+24 is around 50
evaluate
Number w/o signs
estimate
(Amount of decrease/original whole) x100%
13. Median
Multiply by power of 10 so divisor is integer; decimal point is above that in dividend
distributive property
Middle value
repeating decimals
14. The answer to an addition problem
decimal
not equal
Divisible by 2 and 3
sum
15. Any of the symbols used to write numbers (0 - 1 - 2 - 3 - 4 - 5 - 6 - 7 - 8 - 9)
root numbers
Invert second term - then multiply
digit
equal
16. Dividing fractions
Number of desired outcomes/number of total possible outcomes
Number w/o signs
compute
Invert second term - then multiply
17. 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
terminating decimals
mixed number
Last digit divisible by 2
identity property
18. 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?
Sum of digits divisible by 9
(Amount of decrease/original whole) x100%
denominator
Number of desired outcomes/number of total possible outcomes
19. Two expressions that are set equal to each other; a number sentence with an equal sign
equation
square number
even
distributive property
20. A number that represents a part of a whole or a group; also means 'divided by' - E.g. 1/2 -3/4.5/6
least common multiple
prime factorization
fraction
Part
21. Rational numbers in decimal form that have a block of on or more digits that repeat continuously
Invert second term - then multiply
repeating decimals
greatest common factor
Last digit 0 or 5
22. Number divisible by 4
difference
Last two digits divisible by 4
Sum of values/number of values
Sum of digits divisible by 3
23. A letter that represents a value that may change
terminating decimals
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
variables
exponents
24. Percent x whole
identity property
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
expanded form using exponents
Part
25. When a number is larger than the other number. Example 65 > 56
Adding/subtracting 0 from number doesn't change number; number multiplied by 0 is 0; division by 0 undefined
order of operations
sum
greater than
26. Multiplying decimals
quotient
Divisible by 2 and 3
Number of decimal places is total number of decimals places in factors multiplied
decimal
27. Standard deviation: greater if...
mixed number
equivalent
least common multiple
Greater spread in values
28. A line for representing and graphing numbers. Each point on the line corresponds to a number.
number line
composite number
mixed number
Total A/total B
29. PEMDAS - Parentheses - Exponents - Multiplication & Division (L to R) - Addition & Subtraction (L to R)
order of operations
greater than
root numbers
Invert second term - then multiply
30. A number without fractions; an integer- E.g. 0 - 1 - 2 - 3 - 4 - 5 - 6 - 7 - 8 - 9...
common denominator
Divisible by 2 and 3
product
whole number
31. New whole
divisibility by 3 rule
Original whole +/- amount of change
decimal
equation
32. Adding/subtracting fractions
commutative property
LCM is LCD
square number
even number
33. Be identical or equivalent to
proportion
composite number
least
equal
34. A fraction whose numerator is greater than its denominator
greatest
improper fraction
decimal
Total A/total B
35. Relationship in which a number is smaller than another
less than
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
LCM is LCD
Multiply by power of 10 so divisor is integer; decimal point is above that in dividend
36. A set of operators - numbers - variables and grouping symbols; no equal sign
compensation
expression
Invert second term - then multiply
Number of desired outcomes/number of total possible outcomes
37. To perform a calculation - E.g. 2+2=4
(Amount of decrease/original whole) x100%
Number of decimal places is total number of decimals places in factors multiplied
compute
Original whole +/- amount of change
38. Add up the digits; if the sum is a multiple of 3 the number is divisible by 3
even number
divisibility by 3 rule
improper fraction
Divide out largest common factor
39. An equation showing 2 ratios are equal
Drop percent - move decimal point two place to left
Part
proportion
Add zeros to decimals until all decimals have same number of digits
40. The expression of a number as a product of prime factors; use a factor tree!
rational numbers
prime factorization
Divide out largest common factor
number line
41. 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)
expression
1 dividing by number
commutative property
equivalent
42. 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)=
expanded form using exponents
percent
odd
distributive property
43. Properties of numbers btw -1 and 1
Warning
: Invalid argument supplied for foreach() in
/var/www/html/basicversity.com/show_quiz.php
on line
183
44. The smallest number that is a multiple of both numbers. (the LCM of 15 and 6 is 30)
greater than
product
Divide by 100%
least common multiple
45. Average value
Sum of values/number of values
terminating decimals
Drop percent - move decimal point two place to left
Adding/subtracting 0 from number doesn't change number; number multiplied by 0 is 0; division by 0 undefined
46. 1/5 + 1/4=4/20 +5/20 and 20 is the...
common denominator
square number
Sum of digits divisible by 9
denominator
47. To drop a percent
divisible
Divide by 100%
(Amount of decrease/original whole) x100%
difference
48. Multiple-event probability
Probability for each event then multiply individual probabilities together
Middle value
improper fraction
Greater spread in values
49. A comparison of 2 numbers; one form is a fraction
Last digit 0 or 5
LCM is LCD
Number of desired outcomes/number of total possible outcomes
ratio
50. Answer to a multiplication problem
range
rational numbers
product
Middle value