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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. Comparing positive fractions
compute
odd
Line up decimal points
Same numerators: fraction w/ smaller denominator has larger value; Same denominators: fraction w/ larger numerator has larger value
2. Add up the digits; if the sum is a multiple of 3 the number is divisible by 3
Last digit 0 or 5
divisibility by 3 rule
equation
least common multiple
3. A number made up of a whole number and a fraction
mixed number
Total A/total B
even number
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
4. Comparing decimal fractions
factor
Add zeros to decimals until all decimals have same number of digits
order of operations
Adding/subtracting 0 from number doesn't change number; number multiplied by 0 is 0; division by 0 undefined
5. A number with only two factors - one and itself - E.g. 3 -7 -11 -13 -17 -19...
perfect square
inverse property
even
prime number
6. Two factors together that are multiplied to equal a larger number.
percent
perfect square
factor pair
whole number
7. 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.
compensation
greater than
number line
least common multiple
8. Able to be divided evenly (without a remainder)
divisible
Total A/total B
constants
percent
9. Number divisible by 4
even number
number line
Last two digits divisible by 4
1 dividing by number
10. A number that results from multiplying a factor by itself
greater than
root numbers
factor pair
square number
11. Two expressions that are set equal to each other; a number sentence with an equal sign
equation
equivalent
Line up decimal points
commutative property
12. A value that does not change; any number
Last digit 0 or 5
quotient
not equal
constants
13. A set of operators - numbers - variables and grouping symbols; no equal sign
Middle value
expression
divisible
Sum of values/number of values
14. Adding/subtracting decimals
constants
odd number
composite number
Line up decimal points
15. Not identical or equivalent to
Greater spread in values
not equal
Divisible by 2 and 3
proportion
16. Numbers that are easy to compute mentally - E.g. 34 / 5 is close to 35 / 5
constants
number line
compatible numbers
perfect square
17. odd + odd
Sum of digits divisible by 3
even
composite number
Reduce diagonally/vertically then multiply numerators and denominators
18. Two numbers or expressions that mean the same thing - E.g. 2/3=4/6
product
exponents
product
equivalent
19. A number that represents a part of a whole or a group; also means 'divided by' - E.g. 1/2 -3/4.5/6
even
Sum of digits divisible by 9
divisible
fraction
20. Average value
composite number
divisibility by 3 rule
even
Sum of values/number of values
21. 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)
Line up decimal points
identity property
mixed number
associative property
22. Properties of 0
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23. A number with one or more digits to the right of the decimal point - E.g. .33
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
Sum of digits divisible by 9
decimal
least
24. 8x8=64 What is 64?
perfect square
equation
repeating decimals
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
25. Be identical or equivalent to
even number
equal
estimate
Adding/subtracting 0 from number doesn't change number; number multiplied by 0 is 0; division by 0 undefined
26. The answer to a multiplication problem
terminating decimals
percent
Total A/total B
product
27. Number divisible by 2
Number w/o signs
variables
even
Last digit divisible by 2
28. The greatest whole number that is a factor of two or more nonzero whole numbers
Middle value
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
greatest common factor
Sum of values/number of values
29. 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)
commutative property
fraction
Divisible by 2 and 3
square number
30. 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)=
Number of desired outcomes/number of total possible outcomes
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
distributive property
exponents
31. Natural Numbers - Whole Numbers - Integers - Rational Numbers
commutative property
rational numbers
Last digit 0 or 5
(Amount of decrease/original whole) x100%
32. odd + even
odd
constants
Number of decimal places is total number of decimals places in factors multiplied
Drop percent - move decimal point two place to left
33. Mode
simplify
Sum of digits divisible by 3
Value occurring most frequently
decimal
34. Answer to a division problem
divisibility by 3 rule
quotient
value
commutative property
35. A number written in expanded form with the place values written in exponential form - E.g. 2432=2000+400+30+2
Divisible by 2 and 3
common denominator
ratio
expanded form using exponents
36. A line for representing and graphing numbers. Each point on the line corresponds to a number.
digit
number line
expression
odd
37. Standard deviation: greater if...
variables
digit
Divisible by 2 and 3
Greater spread in values
38. Number divisible by 5
constants
Last digit 0 or 5
Divide by 100%
Number of decimal places is total number of decimals places in factors multiplied
39. The difference between the greatest and the least numbers in a set of data.
number line
numerator
square number
range
40. 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
least common multiple
less than
digit
41. 1/5 + 1/4=4/20 +5/20 and 20 is the...
ratio
whole number
Adding/subtracting 0 from number doesn't change number; number multiplied by 0 is 0; division by 0 undefined
common denominator
42. Number divisible by 3
Sum of digits divisible by 3
expanded form using exponents
estimate
(Amount of decrease/original whole) x100%
43. An equation showing 2 ratios are equal
even
proportion
terminating decimals
product
44. A fraction whose numerator is greater than its denominator
associative property
evaluate
improper fraction
less than
45. Number divisible by 6
divisibility by 3 rule
Sum of values/number of values
Divisible by 2 and 3
Last two digits divisible by 4
46. A whole number such as 1 - 3 - 5 and so on that cannot be evenly divisible by 2
greatest
mixed number
odd number
expression
47. Probability
exponents
Multiply by power of 10 so divisor is integer; decimal point is above that in dividend
Number of desired outcomes/number of total possible outcomes
rational numbers
48. Adding/subtracting fractions
(Amount of increase/original whole) x100%
LCM is LCD
Sum of digits divisible by 3
place value
49. Average A per B
irrational numbers
Last two digits divisible by 4
improper fraction
Total A/total B
50. Rational numbers in decimal form that have a block of on or more digits that repeat continuously
Last digit divisible by 2
evaluate
Distributive law: multiply by LCM of all denominators; treat numerator/denominator separately
repeating decimals