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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. 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)
commutative property
number line
simplify
Value occurring most frequently
2. Two factors together that are multiplied to equal a larger number.
quotient
factor pair
Total A/total B
evaluate
3. 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)
Number of decimal places is total number of decimals places in factors multiplied
equivalent
associative property
range
4. Standard deviation: greater if...
perfect square
variables
Greater spread in values
Divisible by 2 and 3
5. A number with only two factors - one and itself - E.g. 3 -7 -11 -13 -17 -19...
prime number
place value
number line
least
6. The answer to an addition problem
sum
Divide out largest common factor
evaluate
perfect square
7. The smallest number in a group of numbers
least common multiple
least
range
evaluate
8. Median
percent
odd number
Middle 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
9. Any of the symbols used to write numbers (0 - 1 - 2 - 3 - 4 - 5 - 6 - 7 - 8 - 9)
digit
greatest common factor
expanded form using exponents
Invert second term - then multiply
10. 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?
denominator
composite number
equivalent
square number
11. How much a number is worth
Divide by 100%
variables
value
Part
12. Absolute value of number
Number w/o signs
greatest common factor
prime number
value
13. Multiplying fractions
Reduce diagonally/vertically then multiply numerators and denominators
quotient
Last digit divisible by 2
odd
14. To place a fraction in lowest terms
quotient
odd number
simplify
perfect square
15. A value that does not change; any number
compensation
constants
Distributive law: multiply by LCM of all denominators; treat numerator/denominator separately
Reduce diagonally/vertically then multiply numerators and denominators
16. Properties of numbers btw -1 and 1
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17. A set of operators - numbers - variables and grouping symbols; no equal sign
improper fraction
Same numerators: fraction w/ smaller denominator has larger value; Same denominators: fraction w/ larger numerator has larger value
range
expression
18. Number divisible by 6
Number w/o signs
percent
Divisible by 2 and 3
Sum of digits divisible by 3
19. Properties of 1 and -1
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20. Multiple-event probability
Probability for each event then multiply individual probabilities together
Multiply by 100%
associative property
least
21. New whole
Probability for each event then multiply individual probabilities together
fraction
Original whole +/- amount of change
not equal
22. A number written in expanded form with the place values written in exponential form - E.g. 2432=2000+400+30+2
variables
factor pair
divisible
expanded form using exponents
23. Any whole number that ends with 0 - 2 - 4 - 6 - or 8 - any whole number that can be divided by 2
common denominator
even number
Divide out largest common factor
whole number
24. Be identical or equivalent to
equal
least common multiple
Number w/o signs
Total A/total B
25. To find the answer for; solve
evaluate
mixed number
odd number
not equal
26. Probability
equation
fraction
Number of desired outcomes/number of total possible outcomes
Probability for each event then multiply individual probabilities together
27. Two numbers or expressions that mean the same thing - E.g. 2/3=4/6
Reduce diagonally/vertically then multiply numerators and denominators
equivalent
Divide by 100%
denominator
28. When a number is larger than the other number. Example 65 > 56
greater than
1 dividing by number
expanded form using exponents
exponents
29. A number with more than two factors
expanded form using exponents
equal
composite number
percent
30. Adding/subtracting fractions
least common multiple
variables
LCM is LCD
whole number
31. Numbers that are easy to compute mentally - E.g. 34 / 5 is close to 35 / 5
Divide by 100%
divisible
compatible numbers
compensation
32. A number that represents a part of a whole or a group; also means 'divided by' - E.g. 1/2 -3/4.5/6
Greater spread in values
least common multiple
fraction
Reduce diagonally/vertically then multiply numerators and denominators
33. Properties of 0
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34. The largest number in a group of numbers
Adding/subtracting 0 from number doesn't change number; number multiplied by 0 is 0; division by 0 undefined
greatest
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
Same numerators: fraction w/ smaller denominator has larger value; Same denominators: fraction w/ larger numerator has larger value
35. odd + odd
Divide by 100%
square number
even
ratio
36. Multiplying decimals
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
Adding/subtracting 0 from number doesn't change number; number multiplied by 0 is 0; division by 0 undefined
Number of decimal places is total number of decimals places in factors multiplied
fraction
37. The difference between the greatest and the least numbers in a set of data.
Invert second term - then multiply
range
terminating decimals
Probability for each event then multiply individual probabilities together
38. To make a percent
prime number
Multiply by 100%
order of operations
associative property
39. Number divisible by 3
compensation
Sum of digits divisible by 3
Number of desired outcomes/number of total possible outcomes
square number
40. The answer to a subtraction problem
place value
Divide out largest common factor
decimal
difference
41. Able to be divided evenly (without a remainder)
divisibility by 3 rule
prime factorization
Last digit divisible by 2
divisible
42. Not identical or equivalent to
not equal
Middle value
terminating decimals
whole number
43. 8x8=64 What is 64?
factor pair
Divide out largest common factor
simplify
perfect square
44. To perform a calculation - E.g. 2+2=4
compute
Adding/subtracting 0 from number doesn't change number; number multiplied by 0 is 0; division by 0 undefined
prime number
Drop percent - move decimal point two place to left
45. Adding/subtracting decimals
Last digit 0 or 5
Line up decimal points
Total A/total B
prime factorization
46. A line for representing and graphing numbers. Each point on the line corresponds to a number.
compute
estimate
number line
greatest
47. Answer to a division problem
root numbers
divisible
quotient
even number
48. A number made up of a whole number and a fraction
mixed number
Number w/o signs
associative property
difference
49. A letter that represents a value that may change
less than
Last two digits divisible by 4
variables
digit
50. Simplifying complex fractions: two methods
Last digit 0 or 5
Part
Distributive law: multiply by LCM of all denominators; treat numerator/denominator separately
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