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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 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)
Probability for each event then multiply individual probabilities together
value
associative property
proportion
2. Rational numbers that expressed in decimal format that have fixed number of digits. 1.5 etc.
Probability for each event then multiply individual probabilities together
Same numerators: fraction w/ smaller denominator has larger value; Same denominators: fraction w/ larger numerator has larger value
terminating decimals
evaluate
3. A set of operators - numbers - variables and grouping symbols; no equal sign
rational numbers
even number
expression
equal
4. Adding/subtracting decimals
Greater spread in values
associative property
numerator
Line up decimal points
5. A whole number such as 1 - 3 - 5 and so on that cannot be evenly divisible by 2
odd number
whole number
ratio
(Amount of decrease/original whole) x100%
6. The difference between the greatest and the least numbers in a set of data.
range
least
sum
LCM is LCD
7. 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
Invert second term - then multiply
mixed number
difference
8. Relationship in which a number is smaller than another
prime factorization
compute
less than
Number w/o signs
9. The answer to a subtraction problem
associative property
difference
composite 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
10. Dividing decimals
Last digit divisible by 2
Multiply by power of 10 so divisor is integer; decimal point is above that in dividend
Multiply by 100%
exponents
11. Adding/subtracting fractions
LCM is LCD
irrational numbers
Distributive law: multiply by LCM of all denominators; treat numerator/denominator separately
Number of decimal places is total number of decimals places in factors multiplied
12. 8x8=64 What is 64?
perfect square
Multiply by power of 10 so divisor is integer; decimal point is above that in dividend
evaluate
Line up decimal points
13. New whole
Original whole +/- amount of change
denominator
not equal
odd number
14. A number that results from multiplying a factor by itself
square number
improper fraction
repeating decimals
Sum of digits divisible by 3
15. The expression of a number as a product of prime factors; use a factor tree!
prime factorization
Greater spread in values
perfect square
LCM is LCD
16. Percent increase
simplify
Sum of digits divisible by 9
whole number
(Amount of increase/original whole) x100%
17. A fraction whose numerator is greater than its denominator
Add zeros to decimals until all decimals have same number of digits
improper fraction
inverse property
irrational numbers
18. Able to be divided evenly (without a remainder)
Middle value
even number
divisible
perfect square
19. An equation showing 2 ratios are equal
proportion
ratio
Adding/subtracting 0 from number doesn't change number; number multiplied by 0 is 0; division by 0 undefined
even number
20. The bottom number in a fraction; tells how many parts a whole is divided into OR how many parts in a group - E.g. 2/4 and what position is the 4?
Reduce diagonally/vertically then multiply numerators and denominators
inverse property
denominator
square number
21. Properties of 1 and -1
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22. The smallest number in a group of numbers
least
difference
1 dividing by number
Sum of digits divisible by 9
23. Reciprocal of number
Drop percent - move decimal point two place to left
not equal
improper fraction
1 dividing by number
24. In 4x4=16 - what is 4?
order of operations
equivalent
odd number
root numbers
25. 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?
even number
denominator
whole number
numerator
26. Two expressions that are set equal to each other; a number sentence with an equal sign
common denominator
Number w/o signs
denominator
equation
27. Multiplying decimals
Sum of digits divisible by 9
Number of decimal places is total number of decimals places in factors multiplied
Total A/total B
proportion
28. Any of the symbols used to write numbers (0 - 1 - 2 - 3 - 4 - 5 - 6 - 7 - 8 - 9)
digit
mixed number
distributive property
Divide out largest common factor
29. The largest number in a group of numbers
greatest
(Amount of decrease/original whole) x100%
prime factorization
improper fraction
30. Properties of 0
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31. To place a fraction in lowest terms
factor
simplify
Divide out largest common factor
Multiply by 100%
32. Be identical or equivalent to
least
equal
(Amount of decrease/original whole) x100%
odd number
33. Number divisible by 6
Divisible by 2 and 3
simplify
product
range
34. A value that does not change; any number
constants
Line up decimal points
rational numbers
Number of desired outcomes/number of total possible outcomes
35. Two numbers or expressions that mean the same thing - E.g. 2/3=4/6
expanded form using exponents
percent
(Amount of decrease/original whole) x100%
equivalent
36. A shortcut for writing repeated multiplication
exponents
terminating decimals
even
difference
37. Percent decrease
commutative property
(Amount of decrease/original whole) x100%
place value
odd
38. Mode
Value occurring most frequently
compatible numbers
Number w/o signs
(Amount of increase/original whole) x100%
39. Reducing fractions
even number
simplify
Divide out largest common factor
Number of decimal places is total number of decimals places in factors multiplied
40. Not identical or equivalent to
Part
not equal
Multiply by power of 10 so divisor is integer; decimal point is above that in dividend
compatible numbers
41. The smallest number that is a multiple of both numbers. (the LCM of 15 and 6 is 30)
least
(Amount of increase/original whole) x100%
Drop percent - move decimal point two place to left
least common multiple
42. Number divisible by 3
Sum of digits divisible by 3
ratio
constants
distributive property
43. A comparison of 2 numbers; one form is a fraction
evaluate
Multiply by power of 10 so divisor is integer; decimal point is above that in dividend
ratio
estimate
44. The value of a digit based on its position within a number - e.g. 2 -432 The position of the numbers
root numbers
place value
product
Total A/total B
45. Properties of numbers btw -1 and 1
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46. Rational numbers in decimal form that have a block of on or more digits that repeat continuously
Original whole +/- amount of change
repeating decimals
associative property
evaluate
47. A letter that represents a value that may change
variables
Middle value
estimate
compensation
48. Multiplying fractions
Distributive law: multiply by LCM of all denominators; treat numerator/denominator separately
least common multiple
Reduce diagonally/vertically then multiply numerators and denominators
distributive property
49. Probability
factor pair
equal
Same numerators: fraction w/ smaller denominator has larger value; Same denominators: fraction w/ larger numerator has larger value
Number of desired outcomes/number of total possible outcomes
50. When a number is larger than the other number. Example 65 > 56
mixed number
Adding/subtracting 0 from number doesn't change number; number multiplied by 0 is 0; division by 0 undefined
greater than
distributive property