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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. Adding/subtracting fractions
exponents
LCM is LCD
product
associative property
2. Number divisible by 6
Multiply by power of 10 so divisor is integer; decimal point is above that in dividend
Divisible by 2 and 3
improper fraction
Multiply by 100%
3. When a number is larger than the other number. Example 65 > 56
greater than
product
Number w/o signs
even number
4. 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
sum
expression
order of operations
5. A shortcut for writing repeated multiplication
sum
constants
exponents
divisibility by 3 rule
6. Percent increase
divisibility by 3 rule
Probability for each event then multiply individual probabilities together
denominator
(Amount of increase/original whole) x100%
7. Not identical or equivalent to
Greater spread in values
prime factorization
Add zeros to decimals until all decimals have same number of digits
not equal
8. 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
(Amount of decrease/original whole) x100%
Part
mixed number
9. A fraction out of 100 - %
expanded form using exponents
Add zeros to decimals until all decimals have same number of digits
fraction
percent
10. Rational numbers in decimal form that have a block of on or more digits that repeat continuously
variables
repeating decimals
odd
distributive property
11. A whole number such as 1 - 3 - 5 and so on that cannot be evenly divisible by 2
odd number
Sum of digits divisible by 9
Divisible by 2 and 3
greater than
12. How much a number is worth
mixed number
equation
value
common denominator
13. Any whole number that ends with 0 - 2 - 4 - 6 - or 8 - any whole number that can be divided by 2
even number
simplify
sum
even
14. Adding/subtracting decimals
odd number
Line up decimal points
associative property
identity property
15. In 4x4=16 - what is 4?
root numbers
irrational numbers
less than
quotient
16. Comparing positive fractions
Original whole +/- amount of change
exponents
numerator
Same numerators: fraction w/ smaller denominator has larger value; Same denominators: fraction w/ larger numerator has larger value
17. Answer to a division problem
quotient
sum
1 dividing by number
LCM is LCD
18. Simplifying complex fractions: two methods
commutative property
Distributive law: multiply by LCM of all denominators; treat numerator/denominator separately
Reduce diagonally/vertically then multiply numerators and denominators
denominator
19. Any of the symbols used to write numbers (0 - 1 - 2 - 3 - 4 - 5 - 6 - 7 - 8 - 9)
least
identity property
digit
odd
20. The answer to a multiplication problem
odd number
fraction
product
least common multiple
21. The greatest whole number that is a factor of two or more nonzero whole numbers
greatest common factor
product
expanded form using exponents
number line
22. Relationship in which a number is smaller than another
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
Last digit divisible by 2
greatest
less than
23. To drop a percent
identity property
compatible numbers
Divide by 100%
composite number
24. A number with only two factors - one and itself - E.g. 3 -7 -11 -13 -17 -19...
divisible
Number w/o signs
prime number
whole number
25. A line for representing and graphing numbers. Each point on the line corresponds to a number.
Last digit divisible by 2
range
equation
number line
26. A number with more than two factors
greater than
equivalent
Invert second term - then multiply
composite number
27. Absolute value of number
Number w/o signs
divisible
repeating decimals
greatest
28. Median
Middle value
Value occurring most frequently
expanded form using exponents
terminating decimals
29. A number that is multiplied by another number to find a producr
not equal
greater than
factor
simplify
30. A number written in expanded form with the place values written in exponential form - E.g. 2432=2000+400+30+2
associative property
expanded form using exponents
equation
exponents
31. 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)
1 dividing by number
divisibility by 3 rule
difference
associative property
32. odd + even
even number
Reduce diagonally/vertically then multiply numerators and denominators
number line
odd
33. Add up the digits; if the sum is a multiple of 3 the number is divisible by 3
Line up decimal points
divisibility by 3 rule
simplify
mixed number
34. Rational numbers that expressed in decimal format that have fixed number of digits. 1.5 etc.
Sum of digits divisible by 3
Multiply by 100%
exponents
terminating decimals
35. Reciprocal of number
1 dividing by number
prime number
Sum of digits divisible by 9
inverse property
36. Comparing decimal fractions
commutative property
Add zeros to decimals until all decimals have same number of digits
Sum of values/number of values
composite number
37. A letter that represents a value that may change
variables
even number
sum
odd number
38. A comparison of 2 numbers; one form is a fraction
factor pair
Probability for each event then multiply individual probabilities together
ratio
associative property
39. Standard deviation: greater if...
(Amount of increase/original whole) x100%
greater than
expression
Greater spread in values
40. To find a number that is close to an exact answer - E.g. 23+24 is around 50
Reduce diagonally/vertically then multiply numerators and denominators
even number
repeating decimals
estimate
41. The largest number in a group of numbers
compatible numbers
compensation
Divide by 100%
greatest
42. Numbers that are easy to compute mentally - E.g. 34 / 5 is close to 35 / 5
Sum of digits divisible by 3
compatible numbers
Invert second term - then multiply
denominator
43. A set of operators - numbers - variables and grouping symbols; no equal sign
range
constants
numerator
expression
44. Mode
Value occurring most frequently
commutative property
expanded form using exponents
Divide out largest common factor
45. odd + odd
Reduce diagonally/vertically then multiply numerators and denominators
Adding/subtracting 0 from number doesn't change number; number multiplied by 0 is 0; division by 0 undefined
product
even
46. Two numbers or expressions that mean the same thing - E.g. 2/3=4/6
composite number
Total A/total B
equivalent
improper fraction
47. Average value
Sum of values/number of values
(Amount of decrease/original whole) x100%
Last two digits divisible by 4
decimal
48. Number divisible by 2
range
rational numbers
even
Last digit divisible by 2
49. To find the answer for; solve
evaluate
Number of desired outcomes/number of total possible outcomes
Adding/subtracting 0 from number doesn't change number; number multiplied by 0 is 0; division by 0 undefined
mixed number
50. The value of a digit based on its position within a number - e.g. 2 -432 The position of the numbers
identity property
Last digit divisible by 2
product
place value