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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. Adding/subtracting decimals
perfect square
odd
Line up decimal points
Divide by 100%
2. Any whole number that ends with 0 - 2 - 4 - 6 - or 8 - any whole number that can be divided by 2
Last digit divisible by 2
digit
LCM is LCD
even number
3. Rational numbers that expressed in decimal format that have fixed number of digits. 1.5 etc.
terminating decimals
Part
product
least common multiple
4. Dividing fractions
least
expanded form using exponents
Invert second term - then multiply
Sum of digits divisible by 3
5. Number divisible by 2
Last digit divisible by 2
Multiply by power of 10 so divisor is integer; decimal point is above that in dividend
sum
expression
6. A number that results from multiplying a factor by itself
Drop percent - move decimal point two place to left
square number
equal
commutative property
7. Multiplying decimals
fraction
LCM is LCD
compatible numbers
Number of decimal places is total number of decimals places in factors multiplied
8. A whole number such as 1 - 3 - 5 and so on that cannot be evenly divisible by 2
LCM is LCD
value
odd number
associative property
9. Two factors together that are multiplied to equal a larger number.
factor pair
greatest
irrational numbers
evaluate
10. A number that represents a part of a whole or a group; also means 'divided by' - E.g. 1/2 -3/4.5/6
fraction
inverse property
greatest common factor
Last two digits divisible by 4
11. 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?
denominator
Part
value
factor
12. Two numbers or expressions that mean the same thing - E.g. 2/3=4/6
ratio
Reduce diagonally/vertically then multiply numerators and denominators
equivalent
fraction
13. In 4x4=16 - what is 4?
root numbers
1 dividing by number
compatible numbers
Multiply by 100%
14. Answer to a multiplication problem
terminating decimals
exponents
product
evaluate
15. To drop a percent
Divide by 100%
value
distributive property
divisible
16. 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
identity property
square number
Number w/o signs
divisible
17. Able to be divided evenly (without a remainder)
divisible
decimal
even number
terminating decimals
18. Properties of 1 and -1
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19. Percent increase
odd number
(Amount of increase/original whole) x100%
Number of desired outcomes/number of total possible outcomes
divisible
20. A number with only two factors - one and itself - E.g. 3 -7 -11 -13 -17 -19...
proportion
Value occurring most frequently
not equal
prime number
21. Dividing decimals
greatest
root numbers
Multiply by power of 10 so divisor is integer; decimal point is above that in dividend
range
22. Standard deviation: greater if...
percent
distributive property
terminating decimals
Greater spread in values
23. Percent x whole
place value
Multiply by power of 10 so divisor is integer; decimal point is above that in dividend
numerator
Part
24. The largest number in a group of numbers
denominator
Same numerators: fraction w/ smaller denominator has larger value; Same denominators: fraction w/ larger numerator has larger value
greatest
variables
25. odd + even
place value
odd
order of operations
Adding/subtracting 0 from number doesn't change number; number multiplied by 0 is 0; division by 0 undefined
26. Any of the symbols used to write numbers (0 - 1 - 2 - 3 - 4 - 5 - 6 - 7 - 8 - 9)
place value
digit
repeating decimals
equal
27. Multiple-event probability
denominator
decimal
divisibility by 3 rule
Probability for each event then multiply individual probabilities together
28. The difference between the greatest and the least numbers in a set of data.
square number
greatest
Same numerators: fraction w/ smaller denominator has larger value; Same denominators: fraction w/ larger numerator has larger value
range
29. The smallest number that is a multiple of both numbers. (the LCM of 15 and 6 is 30)
Multiply by 100%
factor pair
even number
least common multiple
30. PEMDAS - Parentheses - Exponents - Multiplication & Division (L to R) - Addition & Subtraction (L to R)
quotient
root numbers
order of operations
Divisible by 2 and 3
31. Two expressions that are set equal to each other; a number sentence with an equal sign
equation
Distributive law: multiply by LCM of all denominators; treat numerator/denominator separately
Sum of digits divisible by 9
fraction
32. A value that does not change; any number
decimal
even
divisible
constants
33. To change a percent to a decimal
improper fraction
repeating decimals
Drop percent - move decimal point two place to left
Distributive law: multiply by LCM of all denominators; treat numerator/denominator separately
34. Percent decrease
LCM is LCD
divisible
associative property
(Amount of decrease/original whole) x100%
35. A set of operators - numbers - variables and grouping symbols; no equal sign
denominator
expression
expanded form using exponents
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
36. Number divisible by 3
repeating decimals
difference
least
Sum of digits divisible by 3
37. The value of a digit based on its position within a number - e.g. 2 -432 The position of the numbers
improper fraction
exponents
place value
root numbers
38. To find a number that is close to an exact answer - E.g. 23+24 is around 50
compute
digit
compensation
estimate
39. Rational numbers in decimal form that have a block of on or more digits that repeat continuously
fraction
repeating decimals
sum
compute
40. In multiplication or addition - the order of two numbers may be switched around and the answer is the same. Ex: a+b = b+a. or (1x2) x 3=1x (2x3)
Multiply by 100%
factor
commutative property
identity property
41. The answer to an addition problem
prime factorization
sum
digit
product
42. Relationship in which a number is smaller than another
less than
percent
Number of decimal places is total number of decimals places in factors multiplied
commutative property
43. Number divisible by 5
Last digit 0 or 5
denominator
whole number
order of operations
44. A number with more than two factors
percent
mixed number
composite number
compute
45. The greatest whole number that is a factor of two or more nonzero whole numbers
divisible
repeating decimals
greatest common factor
decimal
46. A fraction out of 100 - %
equation
composite number
percent
product
47. Comparing positive fractions
Sum of digits divisible by 9
Part
Last digit 0 or 5
Same numerators: fraction w/ smaller denominator has larger value; Same denominators: fraction w/ larger numerator has larger value
48. A line for representing and graphing numbers. Each point on the line corresponds to a number.
number line
Same numerators: fraction w/ smaller denominator has larger value; Same denominators: fraction w/ larger numerator has larger value
Number w/o signs
simplify
49. Median
Middle value
quotient
perfect square
sum
50. Number divisible by 4
Last two digits divisible by 4
even
Multiply by 100%
value