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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 letter that represents a value that may change
divisible
irrational numbers
variables
greatest
2. odd + odd
Value occurring most frequently
expanded form using exponents
even
proportion
3. A fraction whose numerator is greater than its denominator
improper fraction
Multiply by power of 10 so divisor is integer; decimal point is above that in dividend
exponents
(Amount of increase/original whole) x100%
4. odd + even
greatest
odd
prime factorization
expression
5. In 4x4=16 - what is 4?
root numbers
compatible numbers
Part
Total A/total B
6. Properties of 0
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7. Two factors together that are multiplied to equal a larger number.
Adding/subtracting 0 from number doesn't change number; number multiplied by 0 is 0; division by 0 undefined
less than
factor pair
Distributive law: multiply by LCM of all denominators; treat numerator/denominator separately
8. Adding/subtracting decimals
common denominator
Line up decimal points
Reduce diagonally/vertically then multiply numerators and denominators
Add zeros to decimals until all decimals have same number of digits
9. A number that results from multiplying a factor by itself
whole number
Drop percent - move decimal point two place to left
Part
square number
10. A number that is multiplied by another number to find a producr
identity property
repeating decimals
factor
evaluate
11. A fraction out of 100 - %
greatest common factor
divisible
least common multiple
percent
12. To change a percent to a decimal
Invert second term - then multiply
irrational numbers
numerator
Drop percent - move decimal point two place to left
13. The expression of a number as a product of prime factors; use a factor tree!
composite number
compensation
prime factorization
Greater spread in values
14. When you add 0 to a number - or mulltiply a number by 1 - the result is the same number - e.g. Identity Property of Multiplication: 21x1=1x21=21 or 300x 1 = 300
identity property
estimate
Reduce diagonally/vertically then multiply numerators and denominators
irrational numbers
15. Number divisible by 4
ratio
mixed number
Multiply by 100%
Last two digits divisible by 4
16. A number with only two factors - one and itself - E.g. 3 -7 -11 -13 -17 -19...
Same numerators: fraction w/ smaller denominator has larger value; Same denominators: fraction w/ larger numerator has larger value
repeating decimals
prime number
Number w/o signs
17. Number divisible by 3
improper fraction
greatest common factor
equation
Sum of digits divisible by 3
18. A comparison of 2 numbers; one form is a fraction
proportion
prime factorization
place value
ratio
19. Standard deviation: greater if...
Value occurring most frequently
Greater spread in values
rational numbers
least common multiple
20. Dividing decimals
root numbers
divisibility by 3 rule
compatible numbers
Multiply by power of 10 so divisor is integer; decimal point is above that in dividend
21. Percent increase
Part
perfect square
digit
(Amount of increase/original whole) x100%
22. 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
Last digit 0 or 5
terminating decimals
expression
irrational numbers
23. Rational numbers that expressed in decimal format that have fixed number of digits. 1.5 etc.
commutative property
equivalent
terminating decimals
Reduce diagonally/vertically then multiply numerators and denominators
24. Comparing positive fractions
Same numerators: fraction w/ smaller denominator has larger value; Same denominators: fraction w/ larger numerator has larger value
compatible numbers
least common multiple
fraction
25. Number divisible by 5
Last digit 0 or 5
odd number
identity property
percent
26. 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?
product
divisible
perfect square
numerator
27. Relationship in which a number is smaller than another
number line
greater than
expression
less than
28. PEMDAS - Parentheses - Exponents - Multiplication & Division (L to R) - Addition & Subtraction (L to R)
order of operations
repeating decimals
greater than
1 dividing by number
29. Reducing fractions
Sum of digits divisible by 9
Divide out largest common factor
Distributive law: multiply by LCM of all denominators; treat numerator/denominator separately
root numbers
30. A line for representing and graphing numbers. Each point on the line corresponds to a number.
Probability for each event then multiply individual probabilities together
rational numbers
Reduce diagonally/vertically then multiply numerators and denominators
number line
31. 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
proportion
odd number
ratio
32. To perform a calculation - E.g. 2+2=4
proportion
compute
product
Sum of values/number of values
33. Probability
evaluate
Number of desired outcomes/number of total possible outcomes
factor pair
difference
34. 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)
irrational numbers
product
associative property
odd number
35. A number written in expanded form with the place values written in exponential form - E.g. 2432=2000+400+30+2
rational numbers
even number
Divisible by 2 and 3
expanded form using exponents
36. A number with one or more digits to the right of the decimal point - E.g. .33
decimal
Sum of values/number of values
common denominator
factor pair
37. A number with more than two factors
composite number
proportion
range
greater than
38. Any whole number that ends with 0 - 2 - 4 - 6 - or 8 - any whole number that can be divided by 2
greater than
greatest common factor
odd number
even number
39. A number made up of a whole number and a fraction
Same numerators: fraction w/ smaller denominator has larger value; Same denominators: fraction w/ larger numerator has larger value
repeating decimals
mixed number
greatest common factor
40. The smallest number that is a multiple of both numbers. (the LCM of 15 and 6 is 30)
not equal
least common multiple
factor pair
place value
41. Simplifying complex fractions: two methods
number line
Distributive law: multiply by LCM of all denominators; treat numerator/denominator separately
Part
Last digit 0 or 5
42. 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)=
Divide by 100%
Number of desired outcomes/number of total possible outcomes
greatest
distributive property
43. The value of a digit based on its position within a number - e.g. 2 -432 The position of the numbers
place value
quotient
Original whole +/- amount of change
product
44. Two expressions that are set equal to each other; a number sentence with an equal sign
divisible
constants
equation
commutative property
45. Properties of numbers btw -1 and 1
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46. Number divisible by 9
Reduce diagonally/vertically then multiply numerators and denominators
Sum of digits divisible by 9
Total A/total B
decimal
47. Multiplying decimals
fraction
factor pair
not equal
Number of decimal places is total number of decimals places in factors multiplied
48. Natural Numbers - Whole Numbers - Integers - Rational Numbers
Sum of digits divisible by 9
Last digit divisible by 2
rational numbers
perfect square
49. Two numbers or expressions that mean the same thing - E.g. 2/3=4/6
Sum of digits divisible by 3
equivalent
decimal
1 dividing by number
50. To find a number that is close to an exact answer - E.g. 23+24 is around 50
expanded form using exponents
estimate
range
Multiply by 100%