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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. The smallest number in a group of numbers
least
simplify
prime factorization
Adding/subtracting 0 from number doesn't change number; number multiplied by 0 is 0; division by 0 undefined
2. An equation showing 2 ratios are equal
proportion
irrational numbers
Value occurring most frequently
Total A/total B
3. A comparison of 2 numbers; one form is a fraction
Drop percent - move decimal point two place to left
greatest
Part
ratio
4. 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)=
1 dividing by number
product
irrational numbers
distributive property
5. Mode
expression
composite number
Value occurring most frequently
range
6. Not identical or equivalent to
value
prime factorization
factor
not equal
7. Rational numbers that expressed in decimal format that have fixed number of digits. 1.5 etc.
square number
terminating decimals
range
compute
8. To change a percent to a decimal
repeating decimals
equivalent
place value
Drop percent - move decimal point two place to left
9. A fraction whose numerator is greater than its denominator
(Amount of increase/original whole) x100%
improper fraction
quotient
Last two digits divisible by 4
10. Two expressions that are set equal to each other; a number sentence with an equal sign
associative property
equation
1 dividing by number
Reduce diagonally/vertically then multiply numerators and denominators
11. 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)
range
Number of decimal places is total number of decimals places in factors multiplied
(Amount of increase/original whole) x100%
associative property
12. Adding/subtracting fractions
Add zeros to decimals until all decimals have same number of digits
prime number
Multiply by 100%
LCM is LCD
13. Number divisible by 5
identity property
less than
Last digit 0 or 5
place value
14. The answer to an addition problem
associative property
composite number
quotient
sum
15. A number with only two factors - one and itself - E.g. 3 -7 -11 -13 -17 -19...
greater than
prime number
constants
square number
16. Any of the symbols used to write numbers (0 - 1 - 2 - 3 - 4 - 5 - 6 - 7 - 8 - 9)
odd
LCM is LCD
digit
decimal
17. Percent x whole
root numbers
Sum of values/number of values
Part
distributive property
18. Number divisible by 3
factor
improper fraction
Sum of digits divisible by 3
exponents
19. Percent increase
Distributive law: multiply by LCM of all denominators; treat numerator/denominator separately
difference
(Amount of increase/original whole) x100%
Number of decimal places is total number of decimals places in factors multiplied
20. The expression of a number as a product of prime factors; use a factor tree!
inverse property
prime factorization
percent
1 dividing by number
21. New whole
Divisible by 2 and 3
equal
Original whole +/- amount of change
Part
22. To place a fraction in lowest terms
product
range
simplify
estimate
23. PEMDAS - Parentheses - Exponents - Multiplication & Division (L to R) - Addition & Subtraction (L to R)
order of operations
not equal
whole number
equal
24. The difference between the greatest and the least numbers in a set of data.
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
LCM is LCD
prime factorization
range
25. Two numbers or expressions that mean the same thing - E.g. 2/3=4/6
Divisible by 2 and 3
improper fraction
number line
equivalent
26. A shortcut for writing repeated multiplication
mixed number
commutative property
exponents
factor
27. A number that results from multiplying a factor by itself
quotient
square 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
(Amount of increase/original whole) x100%
28. The largest number in a group of numbers
terminating decimals
square number
equation
greatest
29. A number with more than two factors
commutative property
Multiply by 100%
number line
composite number
30. Comparing decimal fractions
Add zeros to decimals until all decimals have same number of digits
exponents
decimal
divisible
31. Properties of 1 and -1
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32. To find a number that is close to an exact answer - E.g. 23+24 is around 50
estimate
proportion
odd number
equal
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
difference
product
Original whole +/- amount of change
fraction
34. 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.
(Amount of increase/original whole) x100%
compensation
prime factorization
estimate
35. To drop a percent
Divide out largest common factor
Divide by 100%
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
Value occurring most frequently
36. Natural Numbers - Whole Numbers - Integers - Rational Numbers
sum
factor pair
rational numbers
associative property
37. Number divisible by 4
Multiply by power of 10 so divisor is integer; decimal point is above that in dividend
Last two digits divisible by 4
product
numerator
38. Simplifying complex fractions: two methods
Same numerators: fraction w/ smaller denominator has larger value; Same denominators: fraction w/ larger numerator has larger value
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
associative property
Distributive law: multiply by LCM of all denominators; treat numerator/denominator separately
39. Percent decrease
(Amount of decrease/original whole) x100%
value
expanded form using exponents
constants
40. Any whole number that ends with 0 - 2 - 4 - 6 - or 8 - any whole number that can be divided by 2
range
number line
Total A/total B
even number
41. Average A per B
Last digit divisible by 2
Total A/total B
compensation
ratio
42. Rational numbers in decimal form that have a block of on or more digits that repeat continuously
percent
decimal
repeating decimals
compensation
43. Reducing fractions
Divide out largest common factor
value
Line up decimal points
divisible
44. Multiplying fractions
divisible
Reduce diagonally/vertically then multiply numerators and denominators
Middle value
not equal
45. Multiplying decimals
irrational numbers
commutative property
Number of decimal places is total number of decimals places in factors multiplied
digit
46. Comparing positive fractions
Same numerators: fraction w/ smaller denominator has larger value; Same denominators: fraction w/ larger numerator has larger value
factor
Total A/total B
Last two digits divisible by 4
47. 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
ratio
square number
Divide out largest common factor
48. A number made up of a whole number and a fraction
mixed number
compute
square number
equal
49. 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?
common denominator
denominator
perfect square
distributive property
50. To make a percent
numerator
Divide by 100%
identity property
Multiply by 100%