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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 number that results from multiplying a factor by itself
square number
repeating decimals
fraction
Last digit divisible by 2
2. odd + odd
mixed number
decimal
LCM is LCD
even
3. 1/5 + 1/4=4/20 +5/20 and 20 is the...
root numbers
variables
Last digit divisible by 2
common denominator
4. When a number is larger than the other number. Example 65 > 56
Sum of digits divisible by 3
greater than
Line up decimal points
Value occurring most frequently
5. Dividing fractions
compensation
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
Invert second term - then multiply
equation
6. Answer to a multiplication problem
whole number
Multiply by 100%
Last digit divisible by 2
product
7. Standard deviation: greater if...
Value occurring most frequently
order of operations
Divide by 100%
Greater spread in values
8. A fraction whose numerator is greater than its denominator
factor
Multiply by 100%
improper fraction
proportion
9. The difference between the greatest and the least numbers in a set of data.
terminating decimals
range
estimate
greater than
10. Adding/subtracting decimals
less than
Multiply by 100%
Number of decimal places is total number of decimals places in factors multiplied
Line up decimal points
11. Two expressions that are set equal to each other; a number sentence with an equal sign
even number
Probability for each event then multiply individual probabilities together
equation
Adding/subtracting 0 from number doesn't change number; number multiplied by 0 is 0; division by 0 undefined
12. Simplifying complex fractions: two methods
Distributive law: multiply by LCM of all denominators; treat numerator/denominator separately
inverse property
Divide by 100%
expression
13. A number with more than two factors
less than
composite number
improper fraction
mixed number
14. Reducing fractions
order of operations
Divide out largest common factor
(Amount of decrease/original whole) x100%
Sum of digits divisible by 3
15. Absolute value of number
distributive property
Number w/o signs
expanded form using exponents
denominator
16. Two numbers or expressions that mean the same thing - E.g. 2/3=4/6
least
identity property
numerator
equivalent
17. 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)
Add zeros to decimals until all decimals have same number of digits
equal
commutative property
inverse property
18. Any of the symbols used to write numbers (0 - 1 - 2 - 3 - 4 - 5 - 6 - 7 - 8 - 9)
prime number
1 dividing by number
digit
Multiply by 100%
19. The smallest number that is a multiple of both numbers. (the LCM of 15 and 6 is 30)
less than
Last digit divisible by 2
least common multiple
Adding/subtracting 0 from number doesn't change number; number multiplied by 0 is 0; division by 0 undefined
20. Reciprocal of number
1 dividing by number
simplify
decimal
improper fraction
21. Multiplying decimals
evaluate
Number w/o signs
equal
Number of decimal places is total number of decimals places in factors multiplied
22. Able to be divided evenly (without a remainder)
square number
mixed number
Distributive law: multiply by LCM of all denominators; treat numerator/denominator separately
divisible
23. Adding/subtracting fractions
even number
LCM is LCD
prime number
estimate
24. 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
Original whole +/- amount of change
Last two digits divisible by 4
identity property
Add zeros to decimals until all decimals have same number of digits
25. To place a fraction in lowest terms
fraction
least common multiple
simplify
equal
26. A number that is multiplied by another number to find a producr
1 dividing by number
digit
factor
greatest common factor
27. 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)
product
Multiply by 100%
associative property
Number of decimal places is total number of decimals places in factors multiplied
28. 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.
composite number
Part
compensation
value
29. New whole
even
sum
Original whole +/- amount of change
Distributive law: multiply by LCM of all denominators; treat numerator/denominator separately
30. To change a percent to a decimal
repeating decimals
factor
less than
Drop percent - move decimal point two place to left
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?
Original whole +/- amount of change
denominator
Number of decimal places is total number of decimals places in factors multiplied
terminating decimals
32. Not identical or equivalent to
(Amount of increase/original whole) x100%
denominator
Original whole +/- amount of change
not equal
33. odd + even
expanded form using exponents
decimal
difference
odd
34. Properties of numbers btw -1 and 1
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35. Average A per B
number line
expanded form using exponents
Total A/total B
compensation
36. Probability
greatest common factor
Number of desired outcomes/number of total possible outcomes
Sum of digits divisible by 9
least common multiple
37. A number with one or more digits to the right of the decimal point - E.g. .33
constants
Divide out largest common factor
Part
decimal
38. A set of operators - numbers - variables and grouping symbols; no equal sign
expression
Total A/total B
Adding/subtracting 0 from number doesn't change number; number multiplied by 0 is 0; division by 0 undefined
odd
39. 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)=
equivalent
distributive property
Divide out largest common factor
Invert second term - then multiply
40. Number divisible by 6
even number
compatible numbers
Divisible by 2 and 3
not equal
41. A number that represents a part of a whole or a group; also means 'divided by' - E.g. 1/2 -3/4.5/6
Number w/o signs
fraction
improper fraction
Sum of values/number of values
42. 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
decimal
Last digit divisible by 2
irrational numbers
Probability for each event then multiply individual probabilities together
43. Comparing positive fractions
repeating decimals
factor pair
perfect square
Same numerators: fraction w/ smaller denominator has larger value; Same denominators: fraction w/ larger numerator has larger value
44. Any whole number that ends with 0 - 2 - 4 - 6 - or 8 - any whole number that can be divided by 2
even number
greatest
Number of decimal places is total number of decimals places in factors multiplied
Sum of digits divisible by 9
45. A number made up of a whole number and a fraction
Sum of values/number of values
mixed number
prime factorization
(Amount of decrease/original whole) x100%
46. The value of a digit based on its position within a number - e.g. 2 -432 The position of the numbers
numerator
prime number
Last digit divisible by 2
place value
47. Percent decrease
equal
(Amount of decrease/original whole) x100%
(Amount of increase/original whole) x100%
improper fraction
48. To perform a calculation - E.g. 2+2=4
compute
digit
percent
Multiply by 100%
49. A line for representing and graphing numbers. Each point on the line corresponds to a number.
sum
number line
LCM is LCD
estimate
50. The largest number in a group of numbers
less than
odd number
greatest
Divisible by 2 and 3