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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. Number divisible by 6
Divisible by 2 and 3
divisibility by 3 rule
(Amount of increase/original whole) x100%
inverse property
2. How much a number is worth
Number of desired outcomes/number of total possible outcomes
inverse property
greatest common factor
value
3. Reciprocal of number
whole number
improper fraction
1 dividing by number
sum
4. A whole number such as 1 - 3 - 5 and so on that cannot be evenly divisible by 2
equivalent
Last digit 0 or 5
terminating decimals
odd number
5. The difference between the greatest and the least numbers in a set of data.
Multiply by 100%
square number
product
range
6. Average A per B
sum
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
mixed number
Total A/total B
7. In 4x4=16 - what is 4?
quotient
denominator
composite number
root numbers
8. 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 law: multiply by LCM of all denominators; treat numerator/denominator separately
distributive property
associative property
Divide out largest common factor
9. Relationship in which a number is smaller than another
less than
divisible
square number
Number of desired outcomes/number of total possible outcomes
10. Percent decrease
value
(Amount of decrease/original whole) x100%
prime number
associative property
11. Dividing fractions
divisibility by 3 rule
quotient
evaluate
Invert second term - then multiply
12. Number divisible by 9
Sum of digits divisible by 9
greater than
repeating decimals
quotient
13. Adding/subtracting fractions
odd
product
LCM is LCD
denominator
14. An equation showing 2 ratios are equal
Middle value
Number of desired outcomes/number of total possible outcomes
Total A/total B
proportion
15. A number with one or more digits to the right of the decimal point - E.g. .33
terminating decimals
Last digit 0 or 5
Multiply by power of 10 so divisor is integer; decimal point is above that in dividend
decimal
16. The largest number in a group of numbers
greatest
Sum of digits divisible by 3
difference
divisible
17. When a number is larger than the other number. Example 65 > 56
greater than
proportion
Divisible by 2 and 3
common denominator
18. Dividing decimals
mixed number
Reduce diagonally/vertically then multiply numerators and denominators
Last digit divisible by 2
Multiply by power of 10 so divisor is integer; decimal point is above that in dividend
19. Percent x whole
Part
Sum of digits divisible by 9
greater than
order of operations
20. Not identical or equivalent to
(Amount of increase/original whole) x100%
greater than
not equal
odd number
21. Answer to a division problem
associative property
expression
quotient
not equal
22. Multiple-event probability
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
less than
Probability for each event then multiply individual probabilities together
Sum of digits divisible by 3
23. A number written in expanded form with the place values written in exponential form - E.g. 2432=2000+400+30+2
composite number
decimal
compatible numbers
expanded form using exponents
24. Mode
least common multiple
Value occurring most frequently
Last digit divisible by 2
divisible
25. A set of operators - numbers - variables and grouping symbols; no equal sign
rational numbers
Same numerators: fraction w/ smaller denominator has larger value; Same denominators: fraction w/ larger numerator has larger value
expression
whole number
26. Any of the symbols used to write numbers (0 - 1 - 2 - 3 - 4 - 5 - 6 - 7 - 8 - 9)
digit
Divide out largest common factor
Adding/subtracting 0 from number doesn't change number; number multiplied by 0 is 0; division by 0 undefined
associative property
27. A number that results from multiplying a factor by itself
terminating decimals
square number
exponents
denominator
28. Absolute value of 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
Number w/o signs
Original whole +/- amount of change
quotient
29. Number divisible by 5
order of operations
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 0 or 5
factor pair
30. Number divisible by 3
number line
(Amount of decrease/original whole) x100%
Sum of digits divisible by 3
compensation
31. Percent increase
Part
Number w/o signs
(Amount of increase/original whole) x100%
distributive property
32. 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
even number
Reduce diagonally/vertically then multiply numerators and denominators
percent
irrational numbers
33. 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
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 number
identity property
product
34. To drop a percent
difference
Divide by 100%
Distributive law: multiply by LCM of all denominators; treat numerator/denominator separately
root numbers
35. Standard deviation: greater if...
Greater spread in values
decimal
value
greater than
36. A fraction out of 100 - %
product
percent
Multiply by power of 10 so divisor is integer; decimal point is above that in dividend
Divide out largest common factor
37. To change a percent to a decimal
Total A/total B
numerator
Drop percent - move decimal point two place to left
Line up decimal points
38. Rational numbers in decimal form that have a block of on or more digits that repeat continuously
repeating decimals
Divide out largest common factor
Part
Adding/subtracting 0 from number doesn't change number; number multiplied by 0 is 0; division by 0 undefined
39. Simplifying complex fractions: two methods
Distributive law: multiply by LCM of all denominators; treat numerator/denominator separately
Sum of digits divisible by 9
Greater spread in values
Number w/o signs
40. 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)
Middle value
greater than
commutative property
exponents
41. The answer to a multiplication problem
product
odd
constants
equal
42. New whole
Original whole +/- amount of change
denominator
inverse property
(Amount of decrease/original whole) x100%
43. Two expressions that are set equal to each other; a number sentence with an equal sign
equation
mixed number
least
odd number
44. The answer to a subtraction problem
Invert second term - then multiply
proportion
difference
factor
45. 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?
proportion
Sum of digits divisible by 9
Number of desired outcomes/number of total possible outcomes
denominator
46. Average value
Sum of values/number of values
terminating decimals
Invert second term - then multiply
factor
47. Choosing numbers close to the numbers in a problem - and then adjusting the answer to compensate for the numbers chosen - E.g. 23 + 18 and 23+20=43 Since 2 was added to 18 to make 20 - we need to take 2 away from 43.
compute
Divide by 100%
compensation
greatest
48. Be identical or equivalent to
expression
equal
Distributive law: multiply by LCM of all denominators; treat numerator/denominator separately
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
49. To find a number that is close to an exact answer - E.g. 23+24 is around 50
Sum of values/number of values
divisible
estimate
Multiply by 100%
50. 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?
estimate
Sum of digits divisible by 9
numerator
greatest
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