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