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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. Number divisible by 5
evaluate
less than
LCM is LCD
Last digit 0 or 5
2. Number divisible by 6
order of operations
Divide by 100%
Divisible by 2 and 3
distributive property
3. Number divisible by 9
Sum of digits divisible by 9
constants
Number of decimal places is total number of decimals places in factors multiplied
Divisible by 2 and 3
4. The greatest whole number that is a factor of two or more nonzero whole numbers
digit
decimal
greatest common factor
distributive property
5. Simplifying complex fractions: two methods
equivalent
irrational numbers
Distributive law: multiply by LCM of all denominators; treat numerator/denominator separately
proportion
6. Average value
Sum of values/number of values
Original whole +/- amount of change
Greater spread in values
terminating decimals
7. To drop a percent
expanded form using exponents
odd
Divisible by 2 and 3
Divide by 100%
8. A value that does not change; any number
percent
value
product
constants
9. A fraction out of 100 - %
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
percent
prime factorization
quotient
10. A shortcut for writing repeated multiplication
value
Multiply by power of 10 so divisor is integer; decimal point is above that in dividend
square number
exponents
11. Any whole number that ends with 0 - 2 - 4 - 6 - or 8 - any whole number that can be divided by 2
even number
Sum of digits divisible by 3
mixed number
Drop percent - move decimal point two place to left
12. A number with one or more digits to the right of the decimal point - E.g. .33
estimate
decimal
percent
numerator
13. Comparing decimal fractions
composite number
identity property
Add zeros to decimals until all decimals have same number of digits
root numbers
14. In 4x4=16 - what is 4?
digit
root numbers
proportion
Adding/subtracting 0 from number doesn't change number; number multiplied by 0 is 0; division by 0 undefined
15. A number with only two factors - one and itself - E.g. 3 -7 -11 -13 -17 -19...
common denominator
prime number
odd number
LCM is LCD
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
(Amount of decrease/original whole) x100%
proportion
commutative property
identity property
17. Number divisible by 3
Divisible by 2 and 3
Sum of digits divisible by 3
odd number
associative property
18. Two expressions that are set equal to each other; a number sentence with an equal sign
distributive property
Drop percent - move decimal point two place to left
compatible numbers
equation
19. Standard deviation: greater if...
Greater spread in values
distributive property
odd number
exponents
20. 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?
fraction
numerator
irrational numbers
digit
21. Not identical or equivalent to
Middle value
not equal
Greater spread in values
Reduce diagonally/vertically then multiply numerators and denominators
22. Average A per B
Total A/total B
irrational numbers
Number of desired outcomes/number of total possible outcomes
Divide by 100%
23. The difference between the greatest and the least numbers in a set of data.
range
square number
Sum of digits divisible by 3
Total A/total B
24. To find a number that is close to an exact answer - E.g. 23+24 is around 50
estimate
factor
denominator
Number of decimal places is total number of decimals places in factors multiplied
25. Answer to a division problem
Last digit divisible by 2
denominator
exponents
quotient
26. 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
composite number
Divide by 100%
digit
inverse property
27. A letter that represents a value that may change
associative property
odd number
rational numbers
variables
28. 8x8=64 What is 64?
Adding/subtracting 0 from number doesn't change number; number multiplied by 0 is 0; division by 0 undefined
Distributive law: multiply by LCM of all denominators; treat numerator/denominator separately
Last two digits divisible by 4
perfect square
29. Answer to a multiplication problem
quotient
greatest common factor
product
odd number
30. The expression of a number as a product of prime factors; use a factor tree!
range
factor
equal
prime factorization
31. The smallest number in a group of numbers
least
place value
least common multiple
not equal
32. When a number is larger than the other number. Example 65 > 56
value
Sum of digits divisible by 9
greater than
Last digit divisible by 2
33. New whole
Original whole +/- amount of change
LCM is LCD
equal
Number w/o signs
34. 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
greatest
proportion
commutative property
35. Reducing fractions
identity property
least
Divide out largest common factor
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
36. A number without fractions; an integer- E.g. 0 - 1 - 2 - 3 - 4 - 5 - 6 - 7 - 8 - 9...
Value occurring most frequently
improper fraction
value
whole number
37. Multiple-event probability
proportion
not equal
Probability for each event then multiply individual probabilities together
Multiply by power of 10 so divisor is integer; decimal point is above that in dividend
38. To change a percent to a decimal
Number of desired outcomes/number of total possible outcomes
inverse property
Drop percent - move decimal point two place to left
compute
39. Median
Multiply by 100%
Middle value
denominator
Line up decimal points
40. 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)=
identity property
Probability for each event then multiply individual probabilities together
less than
distributive property
41. Two factors together that are multiplied to equal a larger number.
proportion
Last two digits divisible by 4
Adding/subtracting 0 from number doesn't change number; number multiplied by 0 is 0; division by 0 undefined
factor pair
42. To find the answer for; solve
range
evaluate
numerator
(Amount of decrease/original whole) x100%
43. A comparison of 2 numbers; one form is a fraction
constants
Multiply by power of 10 so divisor is integer; decimal point is above that in dividend
ratio
odd
44. 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
Invert second term - then multiply
inverse property
product
45. Properties of 0
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46. Absolute value of number
Number w/o signs
Sum of values/number of values
difference
factor
47. Numbers that are easy to compute mentally - E.g. 34 / 5 is close to 35 / 5
terminating decimals
compatible numbers
value
greatest common factor
48. Multiplying decimals
exponents
distributive property
Number of decimal places is total number of decimals places in factors multiplied
range
49. Mode
Value occurring most frequently
distributive property
commutative property
Drop percent - move decimal point two place to left
50. 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)
(Amount of decrease/original whole) x100%
commutative property
percent
repeating decimals