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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. 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
(Amount of increase/original whole) x100%
ratio
rational numbers
irrational numbers
2. The answer to a subtraction problem
difference
Drop percent - move decimal point two place to left
Original whole +/- amount of change
exponents
3. An equation showing 2 ratios are equal
Part
greater than
distributive property
proportion
4. Multiplying decimals
Sum of digits divisible by 3
Number of decimal places is total number of decimals places in factors multiplied
rational numbers
expanded form using exponents
5. odd + odd
equation
Total A/total B
Multiply by 100%
even
6. Any whole number that ends with 0 - 2 - 4 - 6 - or 8 - any whole number that can be divided by 2
even number
numerator
Greater spread in values
divisible
7. Number divisible by 9
equation
compute
greater than
Sum of digits divisible by 9
8. A number with more than two factors
range
Middle value
difference
composite number
9. 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)
equivalent
simplify
commutative property
associative property
10. To perform a calculation - E.g. 2+2=4
Value occurring most frequently
compute
prime factorization
Distributive law: multiply by LCM of all denominators; treat numerator/denominator separately
11. Able to be divided evenly (without a remainder)
divisible
Sum of digits divisible by 3
Middle value
value
12. Percent increase
distributive property
(Amount of increase/original whole) x100%
compatible numbers
place value
13. Multiple-event probability
evaluate
Probability for each event then multiply individual probabilities together
greatest common factor
square number
14. Number divisible by 6
Divisible by 2 and 3
irrational numbers
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
common denominator
15. The largest number in a group of numbers
greatest common factor
Greater spread in values
greater than
greatest
16. Mode
fraction
product
Value occurring most frequently
(Amount of decrease/original whole) x100%
17. odd + even
Probability for each event then multiply individual probabilities together
Number of desired outcomes/number of total possible outcomes
odd
1 dividing by number
18. 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?
square number
Sum of digits divisible by 3
proportion
numerator
19. A number with one or more digits to the right of the decimal point - E.g. .33
even number
variables
associative property
decimal
20. To find a number that is close to an exact answer - E.g. 23+24 is around 50
estimate
Middle value
compatible numbers
Number w/o signs
21. 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
odd number
Middle value
irrational numbers
22. A number with only two factors - one and itself - E.g. 3 -7 -11 -13 -17 -19...
odd number
prime number
Greater spread in values
Number of desired outcomes/number of total possible outcomes
23. To make a percent
(Amount of increase/original whole) x100%
Multiply by 100%
simplify
Greater spread in values
24. Comparing positive fractions
Same numerators: fraction w/ smaller denominator has larger value; Same denominators: fraction w/ larger numerator has larger value
digit
greater than
range
25. 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
least
inverse property
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
Value occurring most frequently
26. The greatest whole number that is a factor of two or more nonzero whole numbers
greatest common factor
Part
LCM is LCD
estimate
27. Reciprocal of number
estimate
compensation
Sum of digits divisible by 3
1 dividing by number
28. Number divisible by 5
Last digit 0 or 5
Same numerators: fraction w/ smaller denominator has larger value; Same denominators: fraction w/ larger numerator has larger value
compute
not equal
29. Dividing fractions
Invert second term - then multiply
constants
mixed number
identity property
30. Properties of numbers btw -1 and 1
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31. Number divisible by 2
Last digit divisible by 2
inverse property
constants
odd number
32. A set of operators - numbers - variables and grouping symbols; no equal sign
denominator
expression
Greater spread in values
Divide by 100%
33. Add up the digits; if the sum is a multiple of 3 the number is divisible by 3
less than
divisibility by 3 rule
greater than
compute
34. A number that is multiplied by another number to find a producr
mixed number
place value
Total A/total B
factor
35. Properties of 1 and -1
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36. The answer to a multiplication problem
product
even
whole number
evaluate
37. A shortcut for writing repeated multiplication
exponents
Number w/o signs
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
38. In 4x4=16 - what is 4?
simplify
root numbers
Value occurring most frequently
Multiply by power of 10 so divisor is integer; decimal point is above that in dividend
39. Standard deviation: greater if...
proportion
order of operations
numerator
Greater spread in values
40. Average A per B
Total A/total B
inverse property
sum
Number w/o signs
41. Adding/subtracting fractions
LCM is LCD
divisible
less than
composite number
42. A number without fractions; an integer- E.g. 0 - 1 - 2 - 3 - 4 - 5 - 6 - 7 - 8 - 9...
Sum of digits divisible by 3
Divide by 100%
denominator
whole number
43. Natural Numbers - Whole Numbers - Integers - Rational Numbers
Last two digits divisible by 4
fraction
prime factorization
rational numbers
44. Not identical or equivalent to
perfect square
Adding/subtracting 0 from number doesn't change number; number multiplied by 0 is 0; division by 0 undefined
not equal
Middle value
45. Answer to a multiplication problem
number line
evaluate
product
not equal
46. Answer to a division problem
equation
quotient
Distributive law: multiply by LCM of all denominators; treat numerator/denominator separately
prime factorization
47. 1/5 + 1/4=4/20 +5/20 and 20 is the...
common denominator
expression
Same numerators: fraction w/ smaller denominator has larger value; Same denominators: fraction w/ larger numerator has larger value
prime factorization
48. A number written in expanded form with the place values written in exponential form - E.g. 2432=2000+400+30+2
Multiply by power of 10 so divisor is integer; decimal point is above that in dividend
less than
expanded form using exponents
order of operations
49. New whole
quotient
Original whole +/- amount of change
fraction
Divide out largest common factor
50. 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)=
number line
(Amount of decrease/original whole) x100%
distributive property
Probability for each event then multiply individual probabilities together