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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. Answer to a division problem
quotient
simplify
perfect square
equivalent
2. Multiplying decimals
associative property
compatible numbers
denominator
Number of decimal places is total number of decimals places in factors multiplied
3. A letter that represents a value that may change
irrational numbers
1 dividing by number
root numbers
variables
4. Reciprocal of number
even
greatest
1 dividing by number
divisible
5. PEMDAS - Parentheses - Exponents - Multiplication & Division (L to R) - Addition & Subtraction (L to R)
decimal
(Amount of decrease/original whole) x100%
distributive property
order of operations
6. 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)=
odd
LCM is LCD
distributive property
Sum of values/number of values
7. Properties of 1 and -1
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8. 1/5 + 1/4=4/20 +5/20 and 20 is the...
Reduce diagonally/vertically then multiply numerators and denominators
common denominator
decimal
fraction
9. Number divisible by 2
Distributive law: multiply by LCM of all denominators; treat numerator/denominator separately
equivalent
(Amount of increase/original whole) x100%
Last digit divisible by 2
10. Number divisible by 9
digit
Sum of digits divisible by 9
constants
variables
11. A number with only two factors - one and itself - E.g. 3 -7 -11 -13 -17 -19...
greatest common factor
least common multiple
prime number
associative property
12. Standard deviation: greater if...
Greater spread in values
commutative property
even
least
13. In 4x4=16 - what is 4?
evaluate
Number of desired outcomes/number of total possible outcomes
even
root numbers
14. To make a percent
fraction
Multiply by 100%
LCM is LCD
sum
15. Multiple-event probability
Part
Probability for each event then multiply individual probabilities together
perfect square
product
16. A line for representing and graphing numbers. Each point on the line corresponds to a number.
ratio
number line
Divisible by 2 and 3
Sum of values/number of values
17. To find the answer for; solve
even
Probability for each event then multiply individual probabilities together
denominator
evaluate
18. Number divisible by 5
divisible
Last digit 0 or 5
common denominator
odd number
19. A number that results from multiplying a factor by itself
Last two digits divisible by 4
Same numerators: fraction w/ smaller denominator has larger value; Same denominators: fraction w/ larger numerator has larger value
Line up decimal points
square number
20. Relationship in which a number is smaller than another
decimal
less than
terminating decimals
distributive property
21. Number divisible by 4
Last two digits divisible by 4
Value occurring most frequently
variables
(Amount of decrease/original whole) x100%
22. A number made up of a whole number and a fraction
mixed number
range
simplify
whole number
23. To drop a percent
square number
numerator
Divide by 100%
difference
24. 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)
ratio
commutative property
associative property
greatest common factor
25. Any of the symbols used to write numbers (0 - 1 - 2 - 3 - 4 - 5 - 6 - 7 - 8 - 9)
odd number
square number
even number
digit
26. To perform a calculation - E.g. 2+2=4
fraction
Last digit divisible by 2
expression
compute
27. 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
associative property
simplify
prime factorization
28. A number written in expanded form with the place values written in exponential form - E.g. 2432=2000+400+30+2
Last digit 0 or 5
whole number
composite number
expanded form using exponents
29. odd + odd
even
Last digit 0 or 5
associative property
repeating decimals
30. 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?
less than
even number
numerator
ratio
31. Number divisible by 3
Sum of digits divisible by 3
product
Probability for each event then multiply individual probabilities together
decimal
32. Number divisible by 6
digit
Number w/o signs
compatible numbers
Divisible by 2 and 3
33. Adding/subtracting fractions
compatible numbers
Sum of values/number of values
LCM is LCD
Value occurring most frequently
34. Reducing fractions
Divide out largest common factor
odd number
place value
Distributive law: multiply by LCM of all denominators; treat numerator/denominator separately
35. Absolute value of number
digit
rational numbers
numerator
Number w/o signs
36. 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
LCM is LCD
irrational numbers
exponents
greatest common factor
37. A whole number such as 1 - 3 - 5 and so on that cannot be evenly divisible by 2
inverse property
(Amount of decrease/original whole) x100%
odd number
product
38. Probability
Invert second term - then multiply
terminating decimals
Number of desired outcomes/number of total possible outcomes
compatible numbers
39. Median
Greater spread in values
Middle value
square number
greater than
40. The answer to a subtraction problem
Number of desired outcomes/number of total possible outcomes
difference
place value
range
41. Comparing positive fractions
Adding/subtracting 0 from number doesn't change number; number multiplied by 0 is 0; division by 0 undefined
Same numerators: fraction w/ smaller denominator has larger value; Same denominators: fraction w/ larger numerator has larger value
range
ratio
42. Not identical or equivalent to
range
Middle value
Divide by 100%
not equal
43. A number that is multiplied by another number to find a producr
Reduce diagonally/vertically then multiply numerators and denominators
prime factorization
(Amount of decrease/original whole) x100%
factor
44. Properties of 0
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45. Able to be divided evenly (without a remainder)
range
Multiply by power of 10 so divisor is integer; decimal point is above that in dividend
divisible
Probability for each event then multiply individual probabilities together
46. To find a number that is close to an exact answer - E.g. 23+24 is around 50
estimate
identity property
square number
Last digit divisible by 2
47. To place a fraction in lowest terms
improper fraction
simplify
root numbers
compensation
48. Be identical or equivalent to
equal
greater than
Sum of digits divisible by 9
not equal
49. The value of a digit based on its position within a number - e.g. 2 -432 The position of the numbers
1 dividing by number
place value
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
irrational numbers
50. Dividing decimals
Value occurring most frequently
Multiply by power of 10 so divisor is integer; decimal point is above that in dividend
value
not equal