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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. Any whole number that ends with 0 - 2 - 4 - 6 - or 8 - any whole number that can be divided by 2
even number
Sum of values/number of values
constants
Drop percent - move decimal point two place to left
2. A number with only two factors - one and itself - E.g. 3 -7 -11 -13 -17 -19...
distributive property
prime number
improper fraction
Drop percent - move decimal point two place to left
3. To place a fraction in lowest terms
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
associative property
simplify
place value
4. Relationship in which a number is smaller than another
quotient
expanded form using exponents
less than
evaluate
5. 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
Number w/o signs
inverse property
square number
Number of decimal places is total number of decimals places in factors multiplied
6. A whole number such as 1 - 3 - 5 and so on that cannot be evenly divisible by 2
odd number
Adding/subtracting 0 from number doesn't change number; number multiplied by 0 is 0; division by 0 undefined
Number w/o signs
number line
7. The largest number in a group of numbers
order of operations
greatest
sum
Add zeros to decimals until all decimals have same number of digits
8. Two numbers or expressions that mean the same thing - E.g. 2/3=4/6
product
Middle value
constants
equivalent
9. 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
distributive property
denominator
equivalent
irrational numbers
10. Be identical or equivalent to
divisible
compensation
decimal
equal
11. Answer to a division problem
evaluate
associative property
distributive property
quotient
12. A letter that represents a value that may change
Multiply by power of 10 so divisor is integer; decimal point is above that in dividend
identity property
variables
Last digit divisible by 2
13. Adding/subtracting fractions
terminating decimals
range
estimate
LCM is LCD
14. A number with one or more digits to the right of the decimal point - E.g. .33
Number w/o signs
product
decimal
square number
15. 8x8=64 What is 64?
Adding/subtracting 0 from number doesn't change number; number multiplied by 0 is 0; division by 0 undefined
improper fraction
perfect square
denominator
16. Able to be divided evenly (without a remainder)
equivalent
product
divisible
evaluate
17. Not identical or equivalent to
Invert second term - then multiply
product
Distributive law: multiply by LCM of all denominators; treat numerator/denominator separately
not equal
18. Simplifying complex fractions: two methods
Divide by 100%
Distributive law: multiply by LCM of all denominators; treat numerator/denominator separately
Same numerators: fraction w/ smaller denominator has larger value; Same denominators: fraction w/ larger numerator has larger value
fraction
19. Numbers that are easy to compute mentally - E.g. 34 / 5 is close to 35 / 5
compatible numbers
even
Last digit divisible by 2
factor pair
20. A fraction out of 100 - %
decimal
Greater spread in values
divisibility by 3 rule
percent
21. Percent decrease
(Amount of decrease/original whole) x100%
expanded form using exponents
Multiply by 100%
range
22. 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)
Line up decimal points
Divisible by 2 and 3
commutative property
LCM is LCD
23. To change a percent to a decimal
Divide by 100%
range
(Amount of increase/original whole) x100%
Drop percent - move decimal point two place to left
24. In 4x4=16 - what is 4?
expression
range
terminating decimals
root numbers
25. Answer to a multiplication problem
ratio
equivalent
Number of decimal places is total number of decimals places in factors multiplied
product
26. The smallest number in a group of numbers
value
least
Last digit divisible by 2
Multiply by power of 10 so divisor is integer; decimal point is above that in dividend
27. PEMDAS - Parentheses - Exponents - Multiplication & Division (L to R) - Addition & Subtraction (L to R)
divisible
factor
difference
order of operations
28. A fraction whose numerator is greater than its denominator
improper fraction
commutative property
fraction
exponents
29. A shortcut for writing repeated multiplication
Greater spread in values
equivalent
fraction
exponents
30. Comparing decimal fractions
associative property
Part
Add zeros to decimals until all decimals have same number of digits
evaluate
31. Any of the symbols used to write numbers (0 - 1 - 2 - 3 - 4 - 5 - 6 - 7 - 8 - 9)
digit
quotient
factor
place value
32. 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)=
distributive property
Drop percent - move decimal point two place to left
compatible numbers
Sum of digits divisible by 9
33. Dividing fractions
(Amount of decrease/original whole) x100%
factor
Greater spread in values
Invert second term - then multiply
34. Rational numbers that expressed in decimal format that have fixed number of digits. 1.5 etc.
divisible
commutative property
Sum of digits divisible by 9
terminating decimals
35. Adding/subtracting decimals
Sum of digits divisible by 9
Line up decimal points
irrational numbers
difference
36. Reducing fractions
Divide out largest common factor
estimate
inverse property
equivalent
37. A number with more than two factors
Number of desired outcomes/number of total possible outcomes
(Amount of decrease/original whole) x100%
composite number
digit
38. 1/5 + 1/4=4/20 +5/20 and 20 is the...
common denominator
Total A/total B
rational numbers
difference
39. Absolute value of number
Last digit divisible by 2
irrational numbers
product
Number w/o signs
40. Dividing decimals
Multiply by power of 10 so divisor is integer; decimal point is above that in dividend
denominator
variables
digit
41. Average A per B
evaluate
Total A/total B
(Amount of decrease/original whole) x100%
not equal
42. To drop a percent
Divide by 100%
evaluate
improper fraction
perfect square
43. Average value
equation
identity property
equal
Sum of values/number of values
44. Rational numbers in decimal form that have a block of on or more digits that repeat continuously
greater than
odd
commutative property
repeating decimals
45. A number without fractions; an integer- E.g. 0 - 1 - 2 - 3 - 4 - 5 - 6 - 7 - 8 - 9...
whole 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
prime factorization
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
46. A line for representing and graphing numbers. Each point on the line corresponds to a number.
number line
even number
numerator
Sum of digits divisible by 3
47. New whole
divisibility by 3 rule
Original whole +/- amount of change
compensation
perfect square
48. The smallest number that is a multiple of both numbers. (the LCM of 15 and 6 is 30)
Divide out largest common factor
decimal
simplify
least common multiple
49. 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?
Drop percent - move decimal point two place to left
common denominator
numerator
factor
50. A comparison of 2 numbers; one form is a fraction
ratio
Same numerators: fraction w/ smaller denominator has larger value; Same denominators: fraction w/ larger numerator has larger value
1 dividing by number
compensation