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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. Percent increase
(Amount of increase/original whole) x100%
repeating decimals
variables
divisibility by 3 rule
2. A value that does not change; any number
constants
identity property
equivalent
divisible
3. The greatest whole number that is a factor of two or more nonzero whole numbers
value
product
greatest common factor
decimal
4. Two numbers or expressions that mean the same thing - E.g. 2/3=4/6
Number of decimal places is total number of decimals places in factors multiplied
Original whole +/- amount of change
not equal
equivalent
5. A number made up of a whole number and a fraction
evaluate
variables
mixed number
composite number
6. To perform a calculation - E.g. 2+2=4
Invert second term - then multiply
Adding/subtracting 0 from number doesn't change number; number multiplied by 0 is 0; division by 0 undefined
quotient
compute
7. A number that represents a part of a whole or a group; also means 'divided by' - E.g. 1/2 -3/4.5/6
evaluate
exponents
quotient
fraction
8. Rational numbers that expressed in decimal format that have fixed number of digits. 1.5 etc.
least
terminating decimals
Last digit 0 or 5
distributive property
9. The value of a digit based on its position within a number - e.g. 2 -432 The position of the numbers
whole number
place value
repeating decimals
square number
10. In 4x4=16 - what is 4?
root numbers
Original whole +/- amount of change
proportion
Distributive law: multiply by LCM of all denominators; treat numerator/denominator separately
11. 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)
number line
greater than
Distributive law: multiply by LCM of all denominators; treat numerator/denominator separately
commutative property
12. A number with one or more digits to the right of the decimal point - E.g. .33
divisible
commutative property
decimal
Multiply by power of 10 so divisor is integer; decimal point is above that in dividend
13. A number that results from multiplying a factor by itself
equation
mixed number
odd number
square number
14. Multiple-event probability
Greater spread in values
Drop percent - move decimal point two place to left
percent
Probability for each event then multiply individual probabilities together
15. Number divisible by 4
greater than
Middle value
not equal
Last two digits divisible by 4
16. To place a fraction in lowest terms
associative property
Divide by 100%
simplify
Sum of values/number of values
17. Adding/subtracting decimals
compute
Line up decimal points
number line
Last two digits divisible by 4
18. Properties of 1 and -1
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19. Standard deviation: greater if...
Number of decimal places is total number of decimals places in factors multiplied
greatest common factor
Probability for each event then multiply individual probabilities together
Greater spread in values
20. 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
greatest
identity property
inverse property
perfect square
21. Reducing fractions
Divide out largest common factor
product
difference
factor
22. 1/5 + 1/4=4/20 +5/20 and 20 is the...
common denominator
associative property
square number
Adding/subtracting 0 from number doesn't change number; number multiplied by 0 is 0; division by 0 undefined
23. Number divisible by 6
Divisible by 2 and 3
Same numerators: fraction w/ smaller denominator has larger value; Same denominators: fraction w/ larger numerator has larger value
expanded form using exponents
LCM is LCD
24. Mode
Sum of values/number of values
associative property
evaluate
Value occurring most frequently
25. Two expressions that are set equal to each other; a number sentence with an equal sign
repeating decimals
Invert second term - then multiply
equation
expression
26. Number divisible by 2
Line up decimal points
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
1 dividing by number
Last digit divisible by 2
27. How much a number is worth
equation
factor
percent
value
28. odd + odd
least
equal
place value
even
29. Median
least common multiple
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
Middle value
divisible
30. The answer to a multiplication problem
Add zeros to decimals until all decimals have same number of digits
Same numerators: fraction w/ smaller denominator has larger value; Same denominators: fraction w/ larger numerator has larger value
perfect square
product
31. odd + even
less than
odd
perfect square
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
32. Natural Numbers - Whole Numbers - Integers - Rational Numbers
expanded form using exponents
equation
decimal
rational numbers
33. Able to be divided evenly (without a remainder)
Adding/subtracting 0 from number doesn't change number; number multiplied by 0 is 0; division by 0 undefined
exponents
divisible
product
34. A number with only two factors - one and itself - E.g. 3 -7 -11 -13 -17 -19...
prime number
compensation
Original whole +/- amount of change
greatest
35. To drop a percent
Number of decimal places is total number of decimals places in factors multiplied
equivalent
fraction
Divide by 100%
36. Multiplying fractions
Reduce diagonally/vertically then multiply numerators and denominators
divisibility by 3 rule
fraction
equal
37. Dividing fractions
associative property
range
Number of desired outcomes/number of total possible outcomes
Invert second term - then multiply
38. The answer to a subtraction problem
greatest
difference
sum
Last digit 0 or 5
39. A comparison of 2 numbers; one form is a fraction
identity property
Last digit 0 or 5
ratio
square number
40. Properties of numbers btw -1 and 1
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41. Comparing decimal fractions
Line up decimal points
order of operations
Add zeros to decimals until all decimals have same number of digits
least common multiple
42. A shortcut for writing repeated multiplication
Number of decimal places is total number of decimals places in factors multiplied
root numbers
Sum of digits divisible by 9
exponents
43. Average A per B
decimal
denominator
Total A/total B
Number of desired outcomes/number of total possible outcomes
44. Adding/subtracting fractions
expression
ratio
improper fraction
LCM is LCD
45. Properties of 0
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46. 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
expanded form using exponents
compatible numbers
inverse property
Part
47. Two factors together that are multiplied to equal a larger number.
square number
factor pair
associative property
common denominator
48. To make a percent
inverse property
equivalent
Multiply by 100%
equal
49. Answer to a division problem
odd
quotient
divisible
composite number
50. A number with more than two factors
Drop percent - move decimal point two place to left
composite number
Distributive law: multiply by LCM of all denominators; treat numerator/denominator separately
Divide by 100%