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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 line for representing and graphing numbers. Each point on the line corresponds to a number.
product
rational numbers
number line
Number of decimal places is total number of decimals places in factors multiplied
2. The expression of a number as a product of prime factors; use a factor tree!
proportion
LCM is LCD
difference
prime factorization
3. Answer to a division problem
Sum of digits divisible by 3
percent
simplify
quotient
4. Reducing fractions
number line
Divide out largest common factor
factor
place value
5. 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
prime number
Line up decimal points
equation
6. A fraction whose numerator is greater than its denominator
improper 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
composite number
prime factorization
7. The smallest number in a group of numbers
least
Sum of digits divisible by 9
range
improper fraction
8. To make a percent
Multiply by 100%
factor
root numbers
Sum of digits divisible by 3
9. Comparing decimal fractions
order of operations
Divide out largest common factor
Reduce diagonally/vertically then multiply numerators and denominators
Add zeros to decimals until all decimals have same number of digits
10. Not identical or equivalent to
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
Last two digits divisible by 4
not equal
greatest
11. Number divisible by 2
Divide by 100%
Last digit divisible by 2
value
Number of desired outcomes/number of total possible outcomes
12. 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)=
Middle value
distributive property
equivalent
greatest
13. To find a number that is close to an exact answer - E.g. 23+24 is around 50
constants
Number of desired outcomes/number of total possible outcomes
estimate
LCM is LCD
14. A number made up of a whole number and a fraction
variables
1 dividing by number
inverse property
mixed number
15. A set of operators - numbers - variables and grouping symbols; no equal sign
value
Middle value
expression
Multiply by 100%
16. Probability
Number of desired outcomes/number of total possible outcomes
product
common denominator
Sum of digits divisible by 3
17. Percent x whole
common denominator
Sum of values/number of values
Part
expanded form using exponents
18. Simplifying complex fractions: two methods
commutative property
variables
compensation
Distributive law: multiply by LCM of all denominators; treat numerator/denominator separately
19. The answer to a subtraction problem
difference
Sum of digits divisible by 9
exponents
less than
20. Median
Middle value
Divide out largest common factor
odd
estimate
21. A comparison of 2 numbers; one form is a fraction
factor pair
Middle value
compensation
ratio
22. A number with one or more digits to the right of the decimal point - E.g. .33
value
order of operations
Last digit 0 or 5
decimal
23. The answer to a multiplication problem
product
commutative property
equal
factor
24. Absolute value of number
prime number
Number w/o signs
rational numbers
associative property
25. Multiple-event probability
even
(Amount of increase/original whole) x100%
Probability for each event then multiply individual probabilities together
Middle value
26. Rational numbers that expressed in decimal format that have fixed number of digits. 1.5 etc.
terminating decimals
numerator
prime number
identity property
27. Rational numbers in decimal form that have a block of on or more digits that repeat continuously
mixed number
repeating decimals
perfect square
composite number
28. New whole
difference
greatest common factor
Original whole +/- amount of change
Middle value
29. To place a fraction in lowest terms
simplify
difference
Invert second term - then multiply
fraction
30. Two numbers or expressions that mean the same thing - E.g. 2/3=4/6
rational numbers
equivalent
Add zeros to decimals until all decimals have same number of digits
ratio
31. Number divisible by 4
place value
Last two digits divisible by 4
greatest
common denominator
32. Average value
Sum of values/number of values
order of operations
greater than
compute
33. 8x8=64 What is 64?
Multiply by 100%
associative property
perfect square
evaluate
34. To find the answer for; solve
root numbers
Drop percent - move decimal point two place to left
common denominator
evaluate
35. To drop a percent
value
least common multiple
digit
Divide by 100%
36. Percent increase
Divide out largest common factor
repeating decimals
(Amount of increase/original whole) x100%
Total A/total B
37. A number without fractions; an integer- E.g. 0 - 1 - 2 - 3 - 4 - 5 - 6 - 7 - 8 - 9...
Total A/total B
order of operations
whole number
exponents
38. A number that results from multiplying a factor by itself
square number
Add zeros to decimals until all decimals have same number of digits
Last two digits divisible by 4
product
39. Add up the digits; if the sum is a multiple of 3 the number is divisible by 3
Last digit divisible by 2
Divide by 100%
Divide out largest common factor
divisibility by 3 rule
40. A number with only two factors - one and itself - E.g. 3 -7 -11 -13 -17 -19...
Multiply by power of 10 so divisor is integer; decimal point is above that in dividend
product
prime number
Number of desired outcomes/number of total possible outcomes
41. The difference between the greatest and the least numbers in a set of data.
compensation
range
order of operations
value
42. Any of the symbols used to write numbers (0 - 1 - 2 - 3 - 4 - 5 - 6 - 7 - 8 - 9)
digit
sum
Sum of digits divisible by 9
Number w/o signs
43. A letter that represents a value that may change
Invert second term - then multiply
variables
Last digit 0 or 5
Last two digits divisible by 4
44. Standard deviation: greater if...
Greater spread in values
denominator
Drop percent - move decimal point two place to left
Last two digits divisible by 4
45. The largest number in a group of numbers
product
Multiply by 100%
greatest
Value occurring most frequently
46. The value of a digit based on its position within a number - e.g. 2 -432 The position of the numbers
Number w/o signs
place value
least
simplify
47. Properties of numbers btw -1 and 1
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48. Relationship in which a number is smaller than another
digit
irrational numbers
less than
Divide out largest common factor
49. Adding/subtracting fractions
even number
digit
LCM is LCD
equal
50. How much a number is worth
expression
square number
Last digit divisible by 2
value