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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 fraction whose numerator is greater than its denominator
improper fraction
divisible
Number of desired outcomes/number of total possible outcomes
common denominator
2. Reducing fractions
number line
Greater spread in values
Divide out largest common factor
exponents
3. To perform a calculation - E.g. 2+2=4
compute
expanded form using exponents
value
distributive property
4. Comparing positive fractions
compute
equal
Value occurring most frequently
Same numerators: fraction w/ smaller denominator has larger value; Same denominators: fraction w/ larger numerator has larger value
5. Dividing decimals
Multiply by power of 10 so divisor is integer; decimal point is above that in dividend
numerator
Adding/subtracting 0 from number doesn't change number; number multiplied by 0 is 0; division by 0 undefined
least
6. Two expressions that are set equal to each other; a number sentence with an equal sign
equation
greatest common factor
value
proportion
7. 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)
mixed number
odd
rational numbers
associative property
8. Absolute value of number
Line up decimal points
Adding/subtracting 0 from number doesn't change number; number multiplied by 0 is 0; division by 0 undefined
compute
Number w/o signs
9. An equation showing 2 ratios are equal
Sum of digits divisible by 3
greater than
proportion
Last digit 0 or 5
10. A number made up of a whole number and a fraction
mixed number
LCM is LCD
less than
even
11. 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
Last digit divisible by 2
identity property
Add zeros to decimals until all decimals have same number of digits
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
12. How much a number is worth
value
(Amount of decrease/original whole) x100%
composite 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
13. Answer to a division problem
equal
Distributive law: multiply by LCM of all denominators; treat numerator/denominator separately
quotient
Greater spread in values
14. The property which allows you to add a number's opposite to it and always get 0 - The relationship of addition to subtraction or multiplication to division
inverse property
fraction
variables
(Amount of decrease/original whole) x100%
15. Rational numbers in decimal form that have a block of on or more digits that repeat continuously
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
Original whole +/- amount of change
equivalent
repeating decimals
16. Be identical or equivalent to
product
constants
equal
Distributive law: multiply by LCM of all denominators; treat numerator/denominator separately
17. To change a percent to a decimal
prime number
Last digit divisible by 2
terminating decimals
Drop percent - move decimal point two place to left
18. 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
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
identity property
least
19. The expression of a number as a product of prime factors; use a factor tree!
least common multiple
order of operations
number line
prime factorization
20. To make a percent
evaluate
greatest
Multiply by 100%
compatible numbers
21. A fraction out of 100 - %
product
evaluate
percent
compute
22. Adding/subtracting 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
Divide by 100%
Line up decimal points
Last digit divisible by 2
23. PEMDAS - Parentheses - Exponents - Multiplication & Division (L to R) - Addition & Subtraction (L to R)
Sum of digits divisible by 9
Adding/subtracting 0 from number doesn't change number; number multiplied by 0 is 0; division by 0 undefined
repeating decimals
order of operations
24. Not identical or equivalent to
prime number
Sum of digits divisible by 9
not equal
Middle value
25. A number without fractions; an integer- E.g. 0 - 1 - 2 - 3 - 4 - 5 - 6 - 7 - 8 - 9...
whole number
not equal
decimal
product
26. The answer to a subtraction problem
Sum of values/number of values
terminating decimals
difference
Last digit 0 or 5
27. Properties of 0
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28. Adding/subtracting fractions
LCM is LCD
mixed number
irrational numbers
Sum of digits divisible by 9
29. Properties of 1 and -1
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30. New whole
Adding/subtracting 0 from number doesn't change number; number multiplied by 0 is 0; division by 0 undefined
Original whole +/- amount of change
composite number
compensation
31. The smallest number in a group of numbers
expression
divisibility by 3 rule
least
mixed number
32. Probability
quotient
Number of desired outcomes/number of total possible outcomes
range
distributive property
33. To place a fraction in lowest terms
sum
simplify
associative property
Last digit 0 or 5
34. A shortcut for writing repeated multiplication
numerator
exponents
Part
Value occurring most frequently
35. Any of the symbols used to write numbers (0 - 1 - 2 - 3 - 4 - 5 - 6 - 7 - 8 - 9)
factor
compute
digit
greatest
36. When a number is larger than the other number. Example 65 > 56
odd
greatest common factor
greater than
digit
37. A number that results from multiplying a factor by itself
Original whole +/- amount of change
Middle value
square number
(Amount of increase/original whole) x100%
38. The answer to a multiplication problem
LCM is LCD
product
range
variables
39. Dividing fractions
Value occurring most frequently
commutative property
Invert second term - then multiply
1 dividing by number
40. Simplifying complex fractions: two methods
numerator
Distributive law: multiply by LCM of all denominators; treat numerator/denominator separately
simplify
least common multiple
41. A line for representing and graphing numbers. Each point on the line corresponds to a number.
square number
1 dividing by number
number line
repeating decimals
42. A value that does not change; any number
associative property
Same numerators: fraction w/ smaller denominator has larger value; Same denominators: fraction w/ larger numerator has larger value
rational numbers
constants
43. Multiple-event probability
compensation
irrational numbers
Number of desired outcomes/number of total possible outcomes
Probability for each event then multiply individual probabilities together
44. A letter that represents a value that may change
variables
simplify
Original whole +/- amount of change
mixed number
45. 1/5 + 1/4=4/20 +5/20 and 20 is the...
common denominator
irrational numbers
Multiply by power of 10 so divisor is integer; decimal point is above that in dividend
(Amount of increase/original whole) x100%
46. The smallest number that is a multiple of both numbers. (the LCM of 15 and 6 is 30)
Middle value
least common multiple
Same numerators: fraction w/ smaller denominator has larger value; Same denominators: fraction w/ larger numerator has larger value
Last two digits divisible by 4
47. A comparison of 2 numbers; one form is a fraction
perfect square
ratio
equation
quotient
48. A number written in expanded form with the place values written in exponential form - E.g. 2432=2000+400+30+2
expanded form using exponents
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
less than
quotient
49. Median
equal
least
divisible
Middle value
50. odd + odd
even
identity property
square number
Greater spread in values
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