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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. 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
order of operations
irrational numbers
compensation
greatest common factor
2. Multiplying decimals
ratio
place value
Number of decimal places is total number of decimals places in factors multiplied
Greater spread in values
3. Median
least common multiple
difference
Middle value
Multiply by power of 10 so divisor is integer; decimal point is above that in dividend
4. How much a number is worth
divisibility by 3 rule
denominator
(Amount of increase/original whole) x100%
value
5. A fraction whose numerator is greater than its denominator
improper fraction
square number
quotient
compute
6. A set of operators - numbers - variables and grouping symbols; no equal sign
Distributive law: multiply by LCM of all denominators; treat numerator/denominator separately
whole number
expression
Add zeros to decimals until all decimals have same number of digits
7. Two expressions that are set equal to each other; a number sentence with an equal sign
Original whole +/- amount of change
less than
equation
Divide by 100%
8. Two numbers or expressions that mean the same thing - E.g. 2/3=4/6
common denominator
equivalent
identity property
equal
9. Properties of numbers btw -1 and 1
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10. A number with only two factors - one and itself - E.g. 3 -7 -11 -13 -17 -19...
terminating decimals
prime number
sum
order of operations
11. When a number is larger than the other number. Example 65 > 56
prime number
inverse property
greater than
terminating decimals
12. A number with one or more digits to the right of the decimal point - E.g. .33
Last two digits divisible by 4
Same numerators: fraction w/ smaller denominator has larger value; Same denominators: fraction w/ larger numerator has larger value
evaluate
decimal
13. Average A per B
Total A/total B
evaluate
Sum of values/number of values
odd number
14. Number divisible by 4
Reduce diagonally/vertically then multiply numerators and denominators
Last two digits divisible by 4
prime factorization
Value occurring most frequently
15. A comparison of 2 numbers; one form is a fraction
ratio
root numbers
Sum of digits divisible by 9
denominator
16. Adding/subtracting 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
quotient
Divide out largest common factor
Line up decimal points
17. A line for representing and graphing numbers. Each point on the line corresponds to a number.
equal
least common multiple
inverse property
number line
18. Relationship in which a number is smaller than another
greatest
constants
less than
Probability for each event then multiply individual probabilities together
19. To make a percent
Same numerators: fraction w/ smaller denominator has larger value; Same denominators: fraction w/ larger numerator has larger value
Divide by 100%
Multiply by 100%
even
20. Simplifying complex fractions: two methods
Divide by 100%
compute
Distributive law: multiply by LCM of all denominators; treat numerator/denominator separately
quotient
21. A number that results from multiplying a factor by itself
estimate
common denominator
square number
order of operations
22. A shortcut for writing repeated multiplication
identity property
Divide by 100%
compute
exponents
23. A number without fractions; an integer- E.g. 0 - 1 - 2 - 3 - 4 - 5 - 6 - 7 - 8 - 9...
Part
whole number
percent
difference
24. Comparing decimal fractions
simplify
distributive property
Add zeros to decimals until all decimals have same number of digits
prime factorization
25. To perform a calculation - E.g. 2+2=4
compute
terminating decimals
Number w/o signs
divisibility by 3 rule
26. The answer to a multiplication problem
Distributive law: multiply by LCM of all denominators; treat numerator/denominator separately
product
prime factorization
mixed number
27. Number divisible by 5
Last digit 0 or 5
LCM is LCD
Last two digits divisible by 4
evaluate
28. A number that is multiplied by another number to find a producr
prime factorization
root numbers
compatible numbers
factor
29. A number with more than two factors
composite number
Number of decimal places is total number of decimals places in factors multiplied
root numbers
Line up decimal points
30. 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)=
Distributive law: multiply by LCM of all denominators; treat numerator/denominator separately
estimate
distributive property
value
31. The answer to a subtraction problem
ratio
difference
Value occurring most frequently
terminating decimals
32. Any whole number that ends with 0 - 2 - 4 - 6 - or 8 - any whole number that can be divided by 2
(Amount of increase/original whole) x100%
Number of decimal places is total number of decimals places in factors multiplied
greatest common factor
even number
33. Multiplying fractions
Multiply by power of 10 so divisor is integer; decimal point is above that in dividend
prime factorization
order of operations
Reduce diagonally/vertically then multiply numerators and denominators
34. Answer to a division problem
Divisible by 2 and 3
greatest common factor
repeating decimals
quotient
35. New whole
Sum of values/number of values
Original whole +/- amount of change
greater than
divisible
36. Rational numbers in decimal form that have a block of on or more digits that repeat continuously
Original whole +/- amount of change
repeating decimals
root numbers
divisibility by 3 rule
37. A value that does not change; any number
constants
product
(Amount of decrease/original whole) x100%
1 dividing by number
38. Properties of 1 and -1
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39. 1/5 + 1/4=4/20 +5/20 and 20 is the...
common denominator
Line up decimal points
Last digit 0 or 5
prime number
40. To find a number that is close to an exact answer - E.g. 23+24 is around 50
estimate
least
Last two digits divisible by 4
prime factorization
41. odd + even
Part
equation
1 dividing by number
odd
42. Number divisible by 9
Last digit divisible by 2
Sum of digits divisible by 9
repeating decimals
even
43. Percent x whole
perfect square
Greater spread in values
distributive property
Part
44. The difference between the greatest and the least numbers in a set of data.
range
percent
product
least
45. Percent decrease
Original whole +/- amount of change
range
(Amount of decrease/original whole) x100%
number line
46. Be identical or equivalent to
Multiply by 100%
equal
value
not equal
47. Probability
Number of desired outcomes/number of total possible outcomes
Sum of digits divisible by 9
irrational numbers
commutative property
48. 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?
repeating decimals
mixed number
value
numerator
49. 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)
associative property
terminating decimals
Greater spread in values
Multiply by 100%
50. odd + odd
product
estimate
even
Part