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. To find a number that is close to an exact answer - E.g. 23+24 is around 50
Number of decimal places is total number of decimals places in factors multiplied
estimate
greatest
divisible
2. A number that represents a part of a whole or a group; also means 'divided by' - E.g. 1/2 -3/4.5/6
place value
greatest
denominator
fraction
3. The expression of a number as a product of prime factors; use a factor tree!
compatible numbers
prime factorization
Sum of digits divisible by 9
expanded form using exponents
4. A set of operators - numbers - variables and grouping symbols; no equal sign
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
expression
irrational numbers
percent
5. Be identical or equivalent to
value
equal
sum
Number of desired outcomes/number of total possible outcomes
6. 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?
simplify
evaluate
Sum of digits divisible by 9
numerator
7. Number divisible by 5
least
1 dividing by number
percent
Last digit 0 or 5
8. Standard deviation: greater if...
Greater spread in values
denominator
order of operations
equal
9. An equation showing 2 ratios are equal
proportion
even number
ratio
expanded form using exponents
10. Answer to a division problem
commutative property
quotient
Number of decimal places is total number of decimals places in factors multiplied
expanded form using exponents
11. Multiple-event probability
quotient
Probability for each event then multiply individual probabilities together
difference
identity property
12. A letter that represents a value that may change
variables
odd number
Divide by 100%
divisible
13. Not identical or equivalent to
rational numbers
not equal
Line up decimal points
compatible numbers
14. A fraction out of 100 - %
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
rational numbers
odd number
percent
15. Relationship in which a number is smaller than another
equation
(Amount of decrease/original whole) x100%
greatest
less than
16. To drop a percent
Multiply by 100%
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
Divide by 100%
Divisible by 2 and 3
17. Rational numbers in decimal form that have a block of on or more digits that repeat continuously
Sum of values/number of values
place value
divisibility by 3 rule
repeating decimals
18. The answer to a subtraction problem
difference
constants
associative property
expression
19. The smallest number that is a multiple of both numbers. (the LCM of 15 and 6 is 30)
least common multiple
Last digit 0 or 5
expression
place value
20. The greatest whole number that is a factor of two or more nonzero whole numbers
greatest common factor
common denominator
Total A/total B
Reduce diagonally/vertically then multiply numerators and denominators
21. A number that results from multiplying a factor by itself
order of operations
square number
improper fraction
decimal
22. The smallest number in a group of numbers
least
1 dividing by number
improper fraction
expanded form using exponents
23. The largest number in a group of numbers
greatest
Add zeros to decimals until all decimals have same number of digits
square number
value
24. Number divisible by 4
prime factorization
root numbers
Last two digits divisible by 4
Number w/o signs
25. Properties of 0
Warning
: Invalid argument supplied for foreach() in
/var/www/html/basicversity.com/show_quiz.php
on line
183
26. In 4x4=16 - what is 4?
Part
mixed number
root numbers
equal
27. Number divisible by 9
Part
Sum of digits divisible by 9
repeating decimals
Original whole +/- amount of change
28. Percent increase
range
even number
Reduce diagonally/vertically then multiply numerators and denominators
(Amount of increase/original whole) x100%
29. 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)
least common multiple
Number of desired outcomes/number of total possible outcomes
quotient
associative property
30. A comparison of 2 numbers; one form is a fraction
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
ratio
composite number
value
31. Dividing fractions
(Amount of increase/original whole) x100%
whole number
value
Invert second term - then multiply
32. A number with more than two factors
estimate
distributive property
composite number
Divide out largest common factor
33. Adding/subtracting fractions
LCM is LCD
(Amount of increase/original whole) x100%
expanded form using exponents
mixed number
34. Reducing fractions
rational numbers
Divide out largest common factor
common denominator
Multiply by 100%
35. To perform a calculation - E.g. 2+2=4
factor
Sum of values/number of values
root numbers
compute
36. A value that does not change; any number
constants
whole number
prime factorization
simplify
37. A number made up of a whole number and a fraction
repeating decimals
equation
Middle value
mixed number
38. Comparing decimal fractions
root numbers
Divide by 100%
factor pair
Add zeros to decimals until all decimals have same number of digits
39. Mode
Last digit 0 or 5
Value occurring most frequently
denominator
quotient
40. Reciprocal of number
1 dividing by number
denominator
estimate
less than
41. The answer to a multiplication problem
equal
whole number
1 dividing by number
product
42. PEMDAS - Parentheses - Exponents - Multiplication & Division (L to R) - Addition & Subtraction (L to R)
Greater spread in values
proportion
less than
order of operations
43. To change a percent to a decimal
Drop percent - move decimal point two place to left
proportion
equivalent
factor pair
44. Rational numbers that expressed in decimal format that have fixed number of digits. 1.5 etc.
root numbers
factor
compensation
terminating decimals
45. A number that is multiplied by another number to find a producr
Part
factor
Multiply by 100%
composite number
46. 1/5 + 1/4=4/20 +5/20 and 20 is the...
identity property
Probability for each event then multiply individual probabilities together
common denominator
expression
47. 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
not equal
equivalent
1 dividing by number
48. Number divisible by 6
Drop percent - move decimal point two place to left
equal
Total A/total B
Divisible by 2 and 3
49. Two numbers or expressions that mean the same thing - E.g. 2/3=4/6
equivalent
order of operations
commutative property
greater than
50. odd + even
greatest common factor
whole number
odd
divisible