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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. odd + even
odd
improper fraction
terminating decimals
Reduce diagonally/vertically then multiply numerators and denominators
2. Any of the symbols used to write numbers (0 - 1 - 2 - 3 - 4 - 5 - 6 - 7 - 8 - 9)
expanded form using exponents
digit
Sum of digits divisible by 3
Drop percent - move decimal point two place to left
3. In 4x4=16 - what is 4?
root numbers
equation
(Amount of increase/original whole) x100%
mixed number
4. Probability
Number of desired outcomes/number of total possible outcomes
range
commutative property
Distributive law: multiply by LCM of all denominators; treat numerator/denominator separately
5. Average value
Sum of digits divisible by 3
rational numbers
associative property
Sum of values/number of values
6. Percent x whole
terminating decimals
percent
fraction
Part
7. Two factors together that are multiplied to equal a larger number.
factor pair
root numbers
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
quotient
8. A fraction whose numerator is greater than its denominator
Number of desired outcomes/number of total possible outcomes
Divide out largest common factor
improper fraction
even number
9. To perform a calculation - E.g. 2+2=4
compute
difference
even number
LCM is LCD
10. Percent increase
Part
Sum of digits divisible by 3
factor pair
(Amount of increase/original whole) x100%
11. 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
rational numbers
improper fraction
compensation
irrational numbers
12. To make a percent
Divide by 100%
commutative property
Multiply by 100%
divisible
13. The largest number in a group of numbers
commutative property
value
irrational numbers
greatest
14. The expression of a number as a product of prime factors; use a factor tree!
expression
Sum of values/number of values
even
prime factorization
15. To drop a percent
quotient
irrational numbers
commutative property
Divide by 100%
16. Comparing decimal fractions
Add zeros to decimals until all decimals have same number of digits
repeating decimals
product
divisible
17. Reciprocal of number
digit
Drop percent - move decimal point two place to left
1 dividing by number
variables
18. Multiplying decimals
Number of decimal places is total number of decimals places in factors multiplied
numerator
Multiply by 100%
Sum of digits divisible by 3
19. How much a number is worth
numerator
1 dividing by number
value
range
20. Multiplying fractions
Reduce diagonally/vertically then multiply numerators and denominators
commutative property
distributive property
greatest common factor
21. A shortcut for writing repeated multiplication
exponents
product
factor pair
Last digit divisible by 2
22. A number that results from multiplying a factor by itself
square number
numerator
Sum of digits divisible by 3
Number w/o signs
23. Rational numbers in decimal form that have a block of on or more digits that repeat continuously
identity property
root numbers
value
repeating decimals
24. A value that does not change; any number
constants
Adding/subtracting 0 from number doesn't change number; number multiplied by 0 is 0; division by 0 undefined
variables
exponents
25. A number made up of a whole number and a fraction
associative property
Add zeros to decimals until all decimals have same number of digits
mixed number
not equal
26. Dividing decimals
Drop percent - move decimal point two place to left
Multiply by power of 10 so divisor is integer; decimal point is above that in dividend
proportion
Divisible by 2 and 3
27. 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
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
not equal
simplify
inverse property
28. A number that is multiplied by another number to find a producr
identity property
associative property
(Amount of decrease/original whole) x100%
factor
29. Not identical or equivalent to
equation
compute
root numbers
not equal
30. Standard deviation: greater if...
Greater spread in values
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
composite number
estimate
31. 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)
associative property
rational numbers
place value
root numbers
32. Two numbers or expressions that mean the same thing - E.g. 2/3=4/6
odd
equivalent
divisibility by 3 rule
irrational numbers
33. To find a number that is close to an exact answer - E.g. 23+24 is around 50
variables
estimate
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
fraction
34. Add up the digits; if the sum is a multiple of 3 the number is divisible by 3
perfect square
divisibility by 3 rule
square number
not equal
35. Rational numbers that expressed in decimal format that have fixed number of digits. 1.5 etc.
(Amount of increase/original whole) x100%
numerator
terminating decimals
simplify
36. Percent decrease
(Amount of decrease/original whole) x100%
inverse property
Last digit 0 or 5
sum
37. A letter that represents a value that may change
Adding/subtracting 0 from number doesn't change number; number multiplied by 0 is 0; division by 0 undefined
root numbers
variables
Add zeros to decimals until all decimals have same number of digits
38. To change a percent to a decimal
variables
Drop percent - move decimal point two place to left
product
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
39. 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?
Invert second term - then multiply
Value occurring most frequently
Sum of digits divisible by 9
denominator
40. The greatest whole number that is a factor of two or more nonzero whole numbers
greatest common factor
place value
Invert second term - then multiply
Greater spread in values
41. Be identical or equivalent to
Greater spread in values
equal
ratio
repeating decimals
42. Average A per B
Total A/total B
equal
Value occurring most frequently
perfect square
43. To find the answer for; solve
Reduce diagonally/vertically then multiply numerators and denominators
evaluate
1 dividing by number
variables
44. Number divisible by 3
Original whole +/- amount of change
Distributive law: multiply by LCM of all denominators; treat numerator/denominator separately
greatest
Sum of digits divisible by 3
45. A fraction out of 100 - %
ratio
percent
Multiply by 100%
Number w/o signs
46. Two expressions that are set equal to each other; a number sentence with an equal sign
simplify
compensation
LCM is LCD
equation
47. Relationship in which a number is smaller than another
compatible numbers
proportion
less than
Total A/total B
48. Answer to a multiplication problem
Multiply by 100%
Multiply by power of 10 so divisor is integer; decimal point is above that in dividend
product
prime number
49. The answer to a subtraction problem
divisible
equivalent
ratio
difference
50. Dividing fractions
Total A/total B
expression
Invert second term - then multiply
even