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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. Probability
exponents
mixed number
prime number
Number of desired outcomes/number of total possible outcomes
2. Absolute value of number
even number
Multiply by 100%
compatible numbers
Number w/o signs
3. Properties of 0
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4. How much a number is worth
odd number
repeating decimals
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
value
5. Number 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
compatible numbers
factor
Last two digits divisible by 4
6. The expression of a number as a product of prime factors; use a factor tree!
rational numbers
even
Sum of digits divisible by 9
prime factorization
7. Mode
number line
greater than
odd number
Value occurring most frequently
8. A set of operators - numbers - variables and grouping symbols; no equal sign
terminating decimals
irrational numbers
Value occurring most frequently
expression
9. Simplifying complex fractions: two methods
Divide by 100%
product
Last digit divisible by 2
Distributive law: multiply by LCM of all denominators; treat numerator/denominator separately
10. odd + even
odd
sum
equal
decimal
11. A number written in expanded form with the place values written in exponential form - E.g. 2432=2000+400+30+2
Probability for each event then multiply individual probabilities together
expanded form using exponents
square number
product
12. 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
divisibility by 3 rule
identity property
Middle value
exponents
13. Comparing decimal fractions
identity property
Number w/o signs
common denominator
Add zeros to decimals until all decimals have same number of digits
14. The answer to an addition problem
factor pair
Sum of values/number of values
mixed number
sum
15. New whole
Original whole +/- amount of change
decimal
evaluate
Number of desired outcomes/number of total possible outcomes
16. Properties of 1 and -1
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17. Median
Sum of digits divisible by 9
Number w/o signs
ratio
Middle value
18. Number divisible by 6
common denominator
Last digit divisible by 2
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
Divisible by 2 and 3
19. A fraction out of 100 - %
Line up decimal points
1 dividing by number
expression
percent
20. A comparison of 2 numbers; one form is a fraction
Greater spread in values
ratio
odd
divisible
21. Answer to a multiplication problem
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
product
greater than
distributive property
22. 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
fraction
Last digit divisible by 2
rational numbers
23. A number made up of a whole number and a fraction
numerator
mixed number
even
composite number
24. Two numbers or expressions that mean the same thing - E.g. 2/3=4/6
equivalent
(Amount of increase/original whole) x100%
LCM is LCD
Adding/subtracting 0 from number doesn't change number; number multiplied by 0 is 0; division by 0 undefined
25. When a number is larger than the other number. Example 65 > 56
Greater spread in values
inverse property
greater than
Sum of digits divisible by 9
26. 1/5 + 1/4=4/20 +5/20 and 20 is the...
Part
common denominator
ratio
constants
27. A value that does not change; any number
variables
constants
Last digit divisible by 2
Number w/o signs
28. A number with more than two factors
Last digit divisible by 2
numerator
ratio
composite number
29. Able to be divided evenly (without a remainder)
divisible
equation
place value
prime factorization
30. Multiple-event probability
even number
Number of desired outcomes/number of total possible outcomes
Probability for each event then multiply individual probabilities together
Number of decimal places is total number of decimals places in factors multiplied
31. A letter that represents a value that may change
variables
Multiply by 100%
place value
factor
32. Two factors together that are multiplied to equal a larger number.
Invert second term - then multiply
odd number
difference
factor pair
33. The value of a digit based on its position within a number - e.g. 2 -432 The position of the numbers
Multiply by 100%
decimal
place value
Total A/total B
34. PEMDAS - Parentheses - Exponents - Multiplication & Division (L to R) - Addition & Subtraction (L to R)
sum
Sum of digits divisible by 3
variables
order of operations
35. 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?
Divisible by 2 and 3
Line up decimal points
denominator
Divide out largest common factor
36. Any of the symbols used to write numbers (0 - 1 - 2 - 3 - 4 - 5 - 6 - 7 - 8 - 9)
compute
Divide out largest common factor
digit
Add zeros to decimals until all decimals have same number of digits
37. 8x8=64 What is 64?
Divide by 100%
estimate
perfect square
factor pair
38. A line for representing and graphing numbers. Each point on the line corresponds to a number.
product
divisibility by 3 rule
number line
rational numbers
39. To find the answer for; solve
evaluate
prime number
product
order of operations
40. Not identical or equivalent to
value
prime factorization
product
not equal
41. Relationship in which a number is smaller than another
simplify
digit
less than
equation
42. Adding/subtracting fractions
Greater spread in values
LCM is LCD
Last two digits divisible by 4
Multiply by 100%
43. A fraction whose numerator is greater than its denominator
even number
improper fraction
product
(Amount of increase/original whole) x100%
44. A number without fractions; an integer- E.g. 0 - 1 - 2 - 3 - 4 - 5 - 6 - 7 - 8 - 9...
whole number
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
inverse property
Middle value
45. Multiplying decimals
decimal
Number of decimal places is total number of decimals places in factors multiplied
Last digit divisible by 2
Total A/total B
46. The smallest number in a group of numbers
constants
least
equal
even
47. Reducing fractions
Drop percent - move decimal point two place to left
variables
terminating decimals
Divide out largest common factor
48. A number with one or more digits to the right of the decimal point - E.g. .33
Reduce diagonally/vertically then multiply numerators and denominators
decimal
repeating decimals
proportion
49. To place a fraction in lowest terms
range
simplify
prime number
Distributive law: multiply by LCM of all denominators; treat numerator/denominator separately
50. To drop a percent
percent
Divide by 100%
Total A/total B
greater than