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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. Percent x whole
Last two digits divisible by 4
Part
ratio
quotient
2. The largest number in a group of numbers
estimate
greatest
Adding/subtracting 0 from number doesn't change number; number multiplied by 0 is 0; division by 0 undefined
Original whole +/- amount of change
3. The answer to a multiplication problem
LCM is LCD
common denominator
Add zeros to decimals until all decimals have same number of digits
product
4. 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
compensation
repeating decimals
associative property
5. To place a fraction in lowest terms
terminating decimals
compensation
Original whole +/- amount of change
simplify
6. Properties of 0
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7. Multiplying fractions
Reduce diagonally/vertically then multiply numerators and denominators
digit
range
constants
8. Two factors together that are multiplied to equal a larger number.
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
factor pair
Sum of digits divisible by 9
9. Number divisible by 9
least common multiple
fraction
Sum of digits divisible by 9
equation
10. A number without fractions; an integer- E.g. 0 - 1 - 2 - 3 - 4 - 5 - 6 - 7 - 8 - 9...
whole number
place value
improper fraction
Number of decimal places is total number of decimals places in factors multiplied
11. The answer to an addition problem
sum
simplify
expanded form using exponents
greatest common factor
12. To make a percent
Multiply by 100%
1 dividing by number
number line
Drop percent - move decimal point two place to left
13. The difference between the greatest and the least numbers in a set of data.
whole number
range
simplify
Number of desired outcomes/number of total possible outcomes
14. A set of operators - numbers - variables and grouping symbols; no equal sign
ratio
Adding/subtracting 0 from number doesn't change number; number multiplied by 0 is 0; division by 0 undefined
equal
expression
15. Reducing fractions
common denominator
Invert second term - then multiply
Divide out largest common factor
product
16. How much a number is worth
expression
factor pair
value
Adding/subtracting 0 from number doesn't change number; number multiplied by 0 is 0; division by 0 undefined
17. When a number is larger than the other number. Example 65 > 56
Drop percent - move decimal point two place to left
proportion
Invert second term - then multiply
greater than
18. Mode
not equal
Value occurring most frequently
(Amount of decrease/original whole) x100%
distributive property
19. A number that is multiplied by another number to find a producr
estimate
terminating decimals
least
factor
20. The smallest number that is a multiple of both numbers. (the LCM of 15 and 6 is 30)
value
least common multiple
improper fraction
numerator
21. Comparing decimal fractions
equation
Add zeros to decimals until all decimals have same number of digits
exponents
(Amount of decrease/original whole) x100%
22. A comparison of 2 numbers; one form is a fraction
range
ratio
Original whole +/- amount of change
Distributive law: multiply by LCM of all denominators; treat numerator/denominator separately
23. A number with one or more digits to the right of the decimal point - E.g. .33
decimal
evaluate
simplify
greater than
24. Rational numbers in decimal form that have a block of on or more digits that repeat continuously
variables
Multiply by 100%
repeating decimals
Last digit 0 or 5
25. The smallest number in a group of numbers
divisibility by 3 rule
Number w/o signs
prime factorization
least
26. A number made up of a whole number and a fraction
Multiply by power of 10 so divisor is integer; decimal point is above that in dividend
(Amount of decrease/original whole) x100%
mixed number
percent
27. Number divisible by 2
Last digit divisible by 2
Divide out largest common factor
difference
(Amount of increase/original whole) x100%
28. Answer to a multiplication problem
repeating decimals
product
associative property
identity property
29. Percent increase
compatible numbers
factor
(Amount of increase/original whole) x100%
value
30. To find the answer for; solve
evaluate
composite number
equal
Original whole +/- amount of change
31. 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)
compatible numbers
expression
commutative property
Sum of digits divisible by 9
32. Dividing fractions
Last two digits divisible by 4
Adding/subtracting 0 from number doesn't change number; number multiplied by 0 is 0; division by 0 undefined
product
Invert second term - then multiply
33. Two numbers or expressions that mean the same thing - E.g. 2/3=4/6
divisible
equivalent
value
Invert second term - then multiply
34. Average value
ratio
expression
numerator
Sum of values/number of values
35. Adding/subtracting decimals
range
Number w/o signs
Line up decimal points
order of operations
36. Simplifying complex fractions: two methods
prime factorization
rational numbers
Distributive law: multiply by LCM of all denominators; treat numerator/denominator separately
improper fraction
37. Average A per B
Total A/total B
variables
factor
product
38. Adding/subtracting fractions
Sum of digits divisible by 9
LCM is LCD
value
repeating decimals
39. 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
equivalent
irrational numbers
divisibility by 3 rule
factor pair
40. To perform a calculation - E.g. 2+2=4
Reduce diagonally/vertically then multiply numerators and denominators
equation
compute
range
41. Not identical or equivalent to
irrational numbers
Value occurring most frequently
not equal
identity property
42. A shortcut for writing repeated multiplication
odd number
exponents
Divide by 100%
numerator
43. 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
sum
Original whole +/- amount of change
associative property
identity property
44. Rational numbers that expressed in decimal format that have fixed number of digits. 1.5 etc.
terminating decimals
Number of decimal places is total number of decimals places in factors multiplied
improper fraction
inverse property
45. A number written in expanded form with the place values written in exponential form - E.g. 2432=2000+400+30+2
irrational numbers
expanded form using exponents
difference
proportion
46. Any whole number that ends with 0 - 2 - 4 - 6 - or 8 - any whole number that can be divided by 2
even number
Sum of values/number of values
place value
Drop percent - move decimal point two place to left
47. Percent decrease
equivalent
divisibility by 3 rule
(Amount of decrease/original whole) x100%
Value occurring most frequently
48. The value of a digit based on its position within a number - e.g. 2 -432 The position of the numbers
range
place value
equation
mixed number
49. The answer to a subtraction problem
quotient
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
difference
compatible numbers
50. The expression of a number as a product of prime factors; use a factor tree!
decimal
prime factorization
product
1 dividing by number