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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 number that is multiplied by another number to find a producr
number line
identity property
factor
Distributive law: multiply by LCM of all denominators; treat numerator/denominator separately
2. When a number is larger than the other number. Example 65 > 56
mixed number
even
greater than
decimal
3. To change a percent to a decimal
(Amount of decrease/original whole) x100%
Part
Drop percent - move decimal point two place to left
equivalent
4. To place a fraction in lowest terms
inverse property
Probability for each event then multiply individual probabilities together
simplify
Original whole +/- amount of change
5. To find the answer for; solve
value
even
evaluate
square number
6. Properties of numbers btw -1 and 1
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7. Choosing numbers close to the numbers in a problem - and then adjusting the answer to compensate for the numbers chosen - E.g. 23 + 18 and 23+20=43 Since 2 was added to 18 to make 20 - we need to take 2 away from 43.
distributive property
Part
compensation
equivalent
8. A value that does not change; any number
even number
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
exponents
constants
9. An equation showing 2 ratios are equal
Invert second term - then multiply
proportion
Sum of values/number of values
Drop percent - move decimal point two place to left
10. 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)
square number
commutative property
repeating decimals
quotient
11. Relationship in which a number is smaller than another
less than
compatible numbers
LCM is LCD
equal
12. A fraction out of 100 - %
divisible
simplify
evaluate
percent
13. The difference between the greatest and the least numbers in a set of data.
range
evaluate
mixed number
Original whole +/- amount of change
14. Absolute value of number
Value occurring most frequently
identity property
Number w/o signs
Middle value
15. 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
greater than
irrational numbers
Sum of digits divisible by 9
equation
16. To perform a calculation - E.g. 2+2=4
Probability for each event then multiply individual probabilities together
compute
rational numbers
product
17. Comparing decimal fractions
Probability for each event then multiply individual probabilities together
Add zeros to decimals until all decimals have same number of digits
identity property
Drop percent - move decimal point two place to left
18. Properties of 1 and -1
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19. Median
LCM is LCD
percent
Middle value
Number w/o signs
20. Numbers that are easy to compute mentally - E.g. 34 / 5 is close to 35 / 5
divisible
compatible numbers
fraction
not equal
21. Natural Numbers - Whole Numbers - Integers - Rational Numbers
equation
estimate
rational numbers
inverse property
22. A shortcut for writing repeated multiplication
exponents
percent
Value occurring most frequently
divisibility by 3 rule
23. Add up the digits; if the sum is a multiple of 3 the number is divisible by 3
Last digit 0 or 5
divisibility by 3 rule
irrational numbers
Line up decimal points
24. A comparison of 2 numbers; one form is a fraction
terminating decimals
Invert second term - then multiply
ratio
irrational numbers
25. Answer to a multiplication problem
Value occurring most frequently
Distributive law: multiply by LCM of all denominators; treat numerator/denominator separately
Multiply by 100%
product
26. To make a percent
equation
Multiply by 100%
quotient
constants
27. The answer to a multiplication problem
denominator
terminating decimals
Sum of digits divisible by 9
product
28. A line for representing and graphing numbers. Each point on the line corresponds to a number.
simplify
number line
compatible numbers
constants
29. New whole
odd
compatible numbers
Original whole +/- amount of change
compensation
30. The greatest whole number that is a factor of two or more nonzero whole numbers
greatest common factor
Distributive law: multiply by LCM of all denominators; treat numerator/denominator separately
proportion
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
31. Average value
constants
numerator
compensation
Sum of values/number of values
32. Number divisible by 9
Part
expanded form using exponents
Sum of digits divisible by 9
perfect square
33. Percent x whole
order of operations
Part
factor
divisible
34. Simplifying complex fractions: two methods
equal
expression
Add zeros to decimals until all decimals have same number of digits
Distributive law: multiply by LCM of all denominators; treat numerator/denominator separately
35. Multiple-event probability
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
Total A/total B
Probability for each event then multiply individual probabilities together
Multiply by 100%
36. 1/5 + 1/4=4/20 +5/20 and 20 is the...
root numbers
Last two digits divisible by 4
common denominator
not equal
37. Not identical or equivalent to
Number of decimal places is total number of decimals places in factors multiplied
compute
not equal
1 dividing by number
38. Able to be divided evenly (without a remainder)
Number of desired outcomes/number of total possible outcomes
Line up decimal points
prime factorization
divisible
39. Answer to a division problem
least common multiple
(Amount of decrease/original whole) x100%
quotient
range
40. Probability
quotient
least
mixed number
Number of desired outcomes/number of total possible outcomes
41. Comparing positive fractions
percent
Same numerators: fraction w/ smaller denominator has larger value; Same denominators: fraction w/ larger numerator has larger value
Greater spread in values
product
42. Dividing fractions
Invert second term - then multiply
1 dividing by number
greatest common factor
Sum of digits divisible by 3
43. A number with only two factors - one and itself - E.g. 3 -7 -11 -13 -17 -19...
Sum of digits divisible by 3
Sum of digits divisible by 9
prime number
Part
44. A fraction whose numerator is greater than its denominator
associative property
Number w/o signs
improper fraction
product
45. 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)
percent
whole number
associative property
Value occurring most frequently
46. 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)=
Sum of digits divisible by 9
equation
number line
distributive property
47. odd + even
1 dividing by number
Part
exponents
odd
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?
Total A/total B
constants
not equal
numerator
49. In 4x4=16 - what is 4?
inverse property
Line up decimal points
place value
root numbers
50. A letter that represents a value that may change
prime number
least common multiple
1 dividing by number
variables