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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. Natural Numbers - Whole Numbers - Integers - Rational Numbers
Greater spread in values
rational numbers
evaluate
Last digit divisible by 2
2. To perform a calculation - E.g. 2+2=4
odd number
factor pair
Middle value
compute
3. 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
denominator
Total A/total B
Part
4. Able to be divided evenly (without a remainder)
factor pair
divisible
Number w/o signs
Sum of values/number of values
5. 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
sum
Distributive law: multiply by LCM of all denominators; treat numerator/denominator separately
Sum of digits divisible by 3
6. A letter that represents a value that may change
variables
divisible
greatest common factor
Same numerators: fraction w/ smaller denominator has larger value; Same denominators: fraction w/ larger numerator has larger value
7. Multiple-event probability
commutative property
Probability for each event then multiply individual probabilities together
even
least common multiple
8. Rational numbers that expressed in decimal format that have fixed number of digits. 1.5 etc.
compatible numbers
terminating decimals
Divisible by 2 and 3
Add zeros to decimals until all decimals have same number of digits
9. An equation showing 2 ratios are equal
range
equivalent
proportion
Reduce diagonally/vertically then multiply numerators and denominators
10. The answer to an addition problem
Invert second term - then multiply
order of operations
sum
least
11. Number divisible by 6
Divisible by 2 and 3
denominator
equivalent
Divide out largest common factor
12. Average value
even number
Sum of values/number of values
equation
simplify
13. Reducing fractions
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
Last digit divisible by 2
range
Divide out largest common factor
14. 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?
ratio
Line up decimal points
numerator
Last digit 0 or 5
15. To change a percent to a decimal
Drop percent - move decimal point two place to left
greatest common factor
Middle value
inverse property
16. To find a number that is close to an exact answer - E.g. 23+24 is around 50
common denominator
place value
estimate
Number of decimal places is total number of decimals places in factors multiplied
17. Number divisible by 3
LCM is LCD
expression
greatest common factor
Sum of digits divisible by 3
18. The value of a digit based on its position within a number - e.g. 2 -432 The position of the numbers
(Amount of increase/original whole) x100%
place value
greatest common factor
Divisible by 2 and 3
19. Absolute value of number
Sum of digits divisible by 3
Number w/o signs
improper fraction
(Amount of decrease/original whole) x100%
20. Properties of 1 and -1
21. A set of operators - numbers - variables and grouping symbols; no equal sign
(Amount of decrease/original whole) x100%
expression
estimate
equivalent
22. The answer to a subtraction problem
place value
Sum of digits divisible by 3
Adding/subtracting 0 from number doesn't change number; number multiplied by 0 is 0; division by 0 undefined
difference
23. Comparing positive fractions
greater than
product
sum
Same numerators: fraction w/ smaller denominator has larger value; Same denominators: fraction w/ larger numerator has larger value
24. A line for representing and graphing numbers. Each point on the line corresponds to a number.
improper fraction
number line
variables
composite number
25. Average A per B
Reduce diagonally/vertically then multiply numerators and denominators
Total A/total B
equal
Distributive law: multiply by LCM of all denominators; treat numerator/denominator separately
26. 8x8=64 What is 64?
rational numbers
perfect square
Value occurring most frequently
improper fraction
27. To place a fraction in lowest terms
expanded form using exponents
simplify
(Amount of increase/original whole) x100%
Invert second term - then multiply
28. A number with more than two factors
composite number
LCM is LCD
denominator
prime factorization
29. A number written in expanded form with the place values written in exponential form - E.g. 2432=2000+400+30+2
factor pair
decimal
(Amount of decrease/original whole) x100%
expanded form using exponents
30. The largest number in a group of numbers
greatest
repeating decimals
greater than
Invert second term - then multiply
31. A number that is multiplied by another number to find a producr
root numbers
equal
Multiply by power of 10 so divisor is integer; decimal point is above that in dividend
factor
32. A number made up of a whole number and a fraction
denominator
compute
mixed number
1 dividing by number
33. A number that represents a part of a whole or a group; also means 'divided by' - E.g. 1/2 -3/4.5/6
fraction
Last digit divisible by 2
odd number
Adding/subtracting 0 from number doesn't change number; number multiplied by 0 is 0; division by 0 undefined
34. 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?
Drop percent - move decimal point two place to left
denominator
root numbers
product
35. odd + odd
product
even
composite number
square number
36. A fraction out of 100 - %
Multiply by 100%
percent
less than
Adding/subtracting 0 from number doesn't change number; number multiplied by 0 is 0; division by 0 undefined
37. Add up the digits; if the sum is a multiple of 3 the number is divisible by 3
Number w/o signs
order of operations
divisibility by 3 rule
exponents
38. Adding/subtracting decimals
square number
Line up decimal points
whole number
greater than
39. Dividing fractions
rational numbers
commutative property
odd
Invert second term - then multiply
40. Any whole number that ends with 0 - 2 - 4 - 6 - or 8 - any whole number that can be divided by 2
even number
prime number
odd number
Number of desired outcomes/number of total possible outcomes
41. When a number is larger than the other number. Example 65 > 56
less than
square number
evaluate
greater than
42. Rational numbers in decimal form that have a block of on or more digits that repeat continuously
root numbers
repeating decimals
even number
divisible
43. The smallest number in a group of numbers
mixed number
least
proportion
rational numbers
44. Any of the symbols used to write numbers (0 - 1 - 2 - 3 - 4 - 5 - 6 - 7 - 8 - 9)
divisible
decimal
square number
digit
45. Percent x whole
Part
not equal
denominator
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
46. Percent decrease
(Amount of decrease/original whole) x100%
Number of desired outcomes/number of total possible outcomes
difference
evaluate
47. Answer to a multiplication problem
perfect square
improper fraction
product
Sum of digits divisible by 3
48. Simplifying complex fractions: two methods
fraction
LCM is LCD
Distributive law: multiply by LCM of all denominators; treat numerator/denominator separately
Divisible by 2 and 3
49. To make a percent
less than
divisibility by 3 rule
percent
Multiply by 100%
50. Two expressions that are set equal to each other; a number sentence with an equal sign
evaluate
place value
equation
Line up decimal points