SUBJECTS
|
BROWSE
|
CAREER CENTER
|
POPULAR
|
JOIN
|
LOGIN
Business Skills
|
Soft Skills
|
Basic Literacy
|
Certifications
About
|
Help
|
Privacy
|
Terms
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. Answer to a division problem
square number
perfect square
expanded form using exponents
quotient
2. Properties of 1 and -1
3. Rational numbers in decimal form that have a block of on or more digits that repeat continuously
greatest
repeating decimals
Number of desired outcomes/number of total possible outcomes
rational numbers
4. 1/5 + 1/4=4/20 +5/20 and 20 is the...
percent
common denominator
Middle value
Divide out largest common factor
5. Two factors together that are multiplied to equal a larger number.
Original whole +/- amount of change
denominator
commutative property
factor pair
6. Two numbers or expressions that mean the same thing - E.g. 2/3=4/6
greater than
percent
quotient
equivalent
7. Any of the symbols used to write numbers (0 - 1 - 2 - 3 - 4 - 5 - 6 - 7 - 8 - 9)
digit
Number of decimal places is total number of decimals places in factors multiplied
percent
compensation
8. Absolute value of number
greatest common factor
proportion
Number w/o signs
Divide out largest common factor
9. Two expressions that are set equal to each other; a number sentence with an equal sign
Number of decimal places is total number of decimals places in factors multiplied
Middle value
less than
equation
10. The largest number in a group of numbers
expanded form using exponents
decimal
greatest
(Amount of increase/original whole) x100%
11. Average A per B
product
least common multiple
Total A/total B
place value
12. To change a percent to a decimal
Drop percent - move decimal point two place to left
greatest common factor
Value occurring most frequently
product
13. Number divisible by 6
odd number
Divisible by 2 and 3
Invert second term - then multiply
fraction
14. Comparing decimal fractions
number line
Add zeros to decimals until all decimals have same number of digits
exponents
composite number
15. A line for representing and graphing numbers. Each point on the line corresponds to a number.
Multiply by 100%
percent
number line
Sum of digits divisible by 3
16. Percent increase
(Amount of increase/original whole) x100%
whole number
Divide by 100%
Distributive law: multiply by LCM of all denominators; treat numerator/denominator separately
17. 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)
commutative property
denominator
rational numbers
irrational numbers
18. In 4x4=16 - what is 4?
root numbers
variables
Part
denominator
19. A number that is multiplied by another number to find a producr
expression
factor
numerator
odd
20. Rational numbers that expressed in decimal format that have fixed number of digits. 1.5 etc.
Last two digits divisible by 4
square number
terminating decimals
Part
21. Comparing positive fractions
simplify
greatest common factor
Same numerators: fraction w/ smaller denominator has larger value; Same denominators: fraction w/ larger numerator has larger value
product
22. Multiplying fractions
fraction
Last digit 0 or 5
Reduce diagonally/vertically then multiply numerators and denominators
Line up decimal points
23. Add up the digits; if the sum is a multiple of 3 the number is divisible by 3
fraction
prime factorization
divisibility by 3 rule
Middle value
24. The difference between the greatest and the least numbers in a set of data.
range
less than
Sum of digits divisible by 9
expression
25. 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.
compensation
Drop percent - move decimal point two place to left
equal
even
26. odd + odd
even
ratio
Probability for each event then multiply individual probabilities together
rational numbers
27. Simplifying complex fractions: two methods
Distributive law: multiply by LCM of all denominators; treat numerator/denominator separately
Probability for each event then multiply individual probabilities together
denominator
Number w/o signs
28. PEMDAS - Parentheses - Exponents - Multiplication & Division (L to R) - Addition & Subtraction (L to R)
Sum of values/number of values
compensation
greatest
order of operations
29. The answer to a subtraction problem
compatible numbers
Number of desired outcomes/number of total possible outcomes
proportion
difference
30. New whole
square number
1 dividing by number
compensation
Original whole +/- amount of change
31. A number made up of a whole number and a fraction
percent
mixed number
Greater spread in values
perfect square
32. A number without fractions; an integer- E.g. 0 - 1 - 2 - 3 - 4 - 5 - 6 - 7 - 8 - 9...
whole number
Part
Line up decimal points
even
33. Percent x whole
Part
rational numbers
LCM is LCD
identity property
34. A number that results from multiplying a factor by itself
exponents
square number
odd
Divisible by 2 and 3
35. A number with only two factors - one and itself - E.g. 3 -7 -11 -13 -17 -19...
prime number
common denominator
divisible
Original whole +/- amount of change
36. Dividing fractions
irrational numbers
identity property
Invert second term - then multiply
composite number
37. To make a percent
Add zeros to decimals until all decimals have same number of digits
inverse property
perfect square
Multiply by 100%
38. Number divisible by 2
Original whole +/- amount of change
inverse property
Last digit divisible by 2
Distributive law: multiply by LCM of all denominators; treat numerator/denominator separately
39. 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
Reduce diagonally/vertically then multiply numerators and denominators
Greater spread in values
least
40. Numbers that are easy to compute mentally - E.g. 34 / 5 is close to 35 / 5
Sum of digits divisible by 9
identity property
compatible numbers
factor
41. 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
proportion
range
evaluate
42. odd + even
1 dividing by number
exponents
improper fraction
odd
43. A number with one or more digits to the right of the decimal point - E.g. .33
decimal
less than
expanded form using exponents
greatest
44. Properties of 0
45. A value that does not change; any number
Middle value
constants
distributive property
Total A/total B
46. 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
mixed number
Number of decimal places is total number of decimals places in factors multiplied
whole number
identity property
47. Number divisible by 5
Multiply by 100%
improper fraction
Last digit 0 or 5
decimal
48. Properties of numbers btw -1 and 1
49. Cannot be expressed in the form a/b. Include square roots of whole numbers that are not perfect squares and non terminating decimals that do not repeat. pi
irrational numbers
Invert second term - then multiply
prime number
identity property
50. To place a fraction in lowest terms
simplify
Sum of digits divisible by 3
factor pair
Sum of values/number of values