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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 value that does not change; any number
Same numerators: fraction w/ smaller denominator has larger value; Same denominators: fraction w/ larger numerator has larger value
compensation
numerator
constants
2. The smallest number that is a multiple of both numbers. (the LCM of 15 and 6 is 30)
Sum of digits divisible by 3
least
least common multiple
fraction
3. Numbers that are easy to compute mentally - E.g. 34 / 5 is close to 35 / 5
expanded form using exponents
compatible numbers
(Amount of decrease/original whole) x100%
product
4. 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)
associative property
Middle value
prime number
digit
5. 1/5 + 1/4=4/20 +5/20 and 20 is the...
place value
Reduce diagonally/vertically then multiply numerators and denominators
least common multiple
common denominator
6. A letter that represents a value that may change
place value
Last two digits divisible by 4
variables
even number
7. Properties of 0
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8. Properties of numbers btw -1 and 1
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9. The difference between the greatest and the least numbers in a set of data.
range
(Amount of decrease/original whole) x100%
Value occurring most frequently
greater than
10. A number that results from multiplying a factor by itself
odd number
square number
mixed number
divisible
11. Relationship in which a number is smaller than another
estimate
Sum of digits divisible by 3
denominator
less than
12. Number divisible by 3
terminating decimals
product
Sum of digits divisible by 3
Last digit 0 or 5
13. Number divisible by 2
Last digit divisible by 2
factor pair
Divide by 100%
even
14. Median
not equal
factor
Middle value
Multiply by power of 10 so divisor is integer; decimal point is above that in dividend
15. The answer to a multiplication problem
odd
simplify
product
prime number
16. Dividing fractions
Divisible by 2 and 3
Invert second term - then multiply
product
divisible
17. A set of operators - numbers - variables and grouping symbols; no equal sign
expanded form using exponents
prime number
range
expression
18. Number divisible by 4
compensation
Last two digits divisible by 4
digit
identity property
19. A line for representing and graphing numbers. Each point on the line corresponds to a number.
decimal
least
number line
order of operations
20. Able to be divided evenly (without a remainder)
range
divisible
Divide by 100%
Number w/o signs
21. 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
improper fraction
less than
proportion
22. 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
inverse property
Number w/o signs
mixed number
compute
23. The expression of a number as a product of prime factors; use a factor tree!
order of operations
variables
prime factorization
LCM is LCD
24. PEMDAS - Parentheses - Exponents - Multiplication & Division (L to R) - Addition & Subtraction (L to R)
expression
1 dividing by number
order of operations
compensation
25. Answer to a multiplication problem
square number
factor
prime factorization
product
26. 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)=
terminating decimals
distributive property
Sum of digits divisible by 3
expanded form using exponents
27. Standard deviation: greater if...
Greater spread in values
prime factorization
mixed number
improper fraction
28. Rational numbers in decimal form that have a block of on or more digits that repeat continuously
mixed number
commutative property
Part
repeating decimals
29. Comparing decimal fractions
quotient
Distributive law: multiply by LCM of all denominators; treat numerator/denominator separately
ratio
Add zeros to decimals until all decimals have same number of digits
30. Natural Numbers - Whole Numbers - Integers - Rational Numbers
odd number
Greater spread in values
rational numbers
sum
31. A number that is multiplied by another number to find a producr
identity property
Total A/total B
(Amount of increase/original whole) x100%
factor
32. In 4x4=16 - what is 4?
expanded form using exponents
least
Line up decimal points
root numbers
33. 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)
associative property
percent
commutative property
(Amount of decrease/original whole) x100%
34. A shortcut for writing repeated multiplication
exponents
Number w/o signs
place value
terminating decimals
35. Be identical or equivalent to
equal
repeating decimals
Drop percent - move decimal point two place to left
Number of desired outcomes/number of total possible outcomes
36. Rational numbers that expressed in decimal format that have fixed number of digits. 1.5 etc.
factor pair
terminating decimals
fraction
prime factorization
37. A whole number such as 1 - 3 - 5 and so on that cannot be evenly divisible by 2
quotient
denominator
Adding/subtracting 0 from number doesn't change number; number multiplied by 0 is 0; division by 0 undefined
odd number
38. Dividing decimals
constants
Multiply by power of 10 so divisor is integer; decimal point is above that in dividend
ratio
Number w/o signs
39. Simplifying complex fractions: two methods
Distributive law: multiply by LCM of all denominators; treat numerator/denominator separately
identity property
composite number
inverse property
40. The smallest number in a group of numbers
prime number
least
equal
least common multiple
41. Any of the symbols used to write numbers (0 - 1 - 2 - 3 - 4 - 5 - 6 - 7 - 8 - 9)
sum
digit
odd
Sum of digits divisible by 3
42. Absolute value of number
Number w/o signs
greater than
fraction
odd
43. A number that represents a part of a whole or a group; also means 'divided by' - E.g. 1/2 -3/4.5/6
Invert second term - then multiply
fraction
proportion
sum
44. A number without fractions; an integer- E.g. 0 - 1 - 2 - 3 - 4 - 5 - 6 - 7 - 8 - 9...
Adding/subtracting 0 from number doesn't change number; number multiplied by 0 is 0; division by 0 undefined
whole number
associative property
compute
45. Two expressions that are set equal to each other; a number sentence with an equal sign
odd number
equation
inverse property
factor
46. Number divisible by 6
Divisible by 2 and 3
Last digit 0 or 5
Add zeros to decimals until all decimals have same number of digits
estimate
47. odd + odd
constants
even number
even
Probability for each event then multiply individual probabilities together
48. The answer to a subtraction problem
fraction
difference
proportion
greatest
49. A number made up of a whole number and a fraction
greatest
prime number
mixed number
equal
50. Probability
odd number
(Amount of increase/original whole) x100%
Invert second term - then multiply
Number of desired outcomes/number of total possible outcomes