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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. Two factors together that are multiplied to equal a larger number.
least common multiple
exponents
factor pair
LCM is LCD
2. Median
percent
Middle value
value
ratio
3. Answer to a division problem
mixed number
quotient
compensation
factor
4. A comparison of 2 numbers; one form is a fraction
ratio
irrational numbers
composite number
difference
5. Dividing decimals
Multiply by power of 10 so divisor is integer; decimal point is above that in dividend
number line
simplify
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
6. Percent decrease
Divisible by 2 and 3
(Amount of decrease/original whole) x100%
Drop percent - move decimal point two place to left
Sum of digits divisible by 3
7. In 4x4=16 - what is 4?
perfect square
value
odd
root numbers
8. Answer to a multiplication problem
product
Reduce diagonally/vertically then multiply numerators and denominators
estimate
distributive property
9. Two expressions that are set equal to each other; a number sentence with an equal sign
equation
Middle value
Divide by 100%
greatest common factor
10. A number that represents a part of a whole or a group; also means 'divided by' - E.g. 1/2 -3/4.5/6
fraction
terminating decimals
Divide by 100%
common denominator
11. Not identical or equivalent to
associative property
not equal
prime number
terminating decimals
12. A letter that represents a value that may change
Multiply by power of 10 so divisor is integer; decimal point is above that in dividend
variables
greatest common factor
Last two digits divisible by 4
13. Natural Numbers - Whole Numbers - Integers - Rational Numbers
Last digit divisible by 2
common denominator
rational numbers
Divide out largest common factor
14. A shortcut for writing repeated multiplication
sum
mixed number
exponents
digit
15. Number divisible by 6
Divisible by 2 and 3
Last two digits divisible by 4
order of operations
associative property
16. Properties of 0
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17. The expression of a number as a product of prime factors; use a factor tree!
odd
mixed number
compute
prime factorization
18. A whole number such as 1 - 3 - 5 and so on that cannot be evenly divisible by 2
odd number
sum
prime factorization
even number
19. The smallest number that is a multiple of both numbers. (the LCM of 15 and 6 is 30)
least common multiple
Sum of values/number of values
place value
greatest
20. Percent increase
(Amount of increase/original whole) x100%
variables
percent
not equal
21. Any whole number that ends with 0 - 2 - 4 - 6 - or 8 - any whole number that can be divided by 2
Drop percent - move decimal point two place to left
greatest
Part
even number
22. A number without fractions; an integer- E.g. 0 - 1 - 2 - 3 - 4 - 5 - 6 - 7 - 8 - 9...
Reduce diagonally/vertically then multiply numerators and denominators
percent
Distributive law: multiply by LCM of all denominators; treat numerator/denominator separately
whole number
23. Multiplying decimals
constants
Number of decimal places is total number of decimals places in factors multiplied
numerator
Same numerators: fraction w/ smaller denominator has larger value; Same denominators: fraction w/ larger numerator has larger value
24. 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)=
product
distributive property
Distributive law: multiply by LCM of all denominators; treat numerator/denominator separately
Last digit 0 or 5
25. Probability
Distributive law: multiply by LCM of all denominators; treat numerator/denominator separately
Adding/subtracting 0 from number doesn't change number; number multiplied by 0 is 0; division by 0 undefined
terminating decimals
Number of desired outcomes/number of total possible outcomes
26. To perform a calculation - E.g. 2+2=4
least
compute
prime number
Divide by 100%
27. To make a percent
greatest
Multiply by 100%
factor
evaluate
28. Multiple-event probability
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
Sum of digits divisible by 9
Probability for each event then multiply individual probabilities together
29. Any of the symbols used to write numbers (0 - 1 - 2 - 3 - 4 - 5 - 6 - 7 - 8 - 9)
Value occurring most frequently
Number of decimal places is total number of decimals places in factors multiplied
Total A/total B
digit
30. A value that does not change; any number
equal
square number
constants
common denominator
31. When a number is larger than the other number. Example 65 > 56
greater than
Divide out largest common factor
number line
perfect square
32. Comparing positive fractions
divisible
commutative property
inverse property
Same numerators: fraction w/ smaller denominator has larger value; Same denominators: fraction w/ larger numerator has larger value
33. The value of a digit based on its position within a number - e.g. 2 -432 The position of the numbers
not equal
greater than
place value
range
34. To change a percent to a decimal
Drop percent - move decimal point two place to left
greater than
associative property
estimate
35. Properties of numbers btw -1 and 1
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36. Reciprocal of number
1 dividing by number
variables
Greater spread in values
range
37. odd + even
Value occurring most frequently
expression
odd
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
38. The largest number in a group of numbers
product
equivalent
odd
greatest
39. Reducing fractions
prime number
square number
Divide out largest common factor
mixed number
40. Mode
greater than
identity property
Value occurring most frequently
number line
41. Adding/subtracting decimals
associative property
less than
Line up decimal points
percent
42. A number that is multiplied by another number to find a producr
variables
Greater spread in values
factor
place value
43. 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)
decimal
divisible
commutative property
Distributive law: multiply by LCM of all denominators; treat numerator/denominator separately
44. Number divisible by 5
rational numbers
Last digit 0 or 5
Total A/total B
difference
45. 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?
quotient
Distributive law: multiply by LCM of all denominators; treat numerator/denominator separately
place value
denominator
46. The greatest whole number that is a factor of two or more nonzero whole numbers
Sum of values/number of values
greatest common factor
quotient
sum
47. How much a number is worth
value
(Amount of decrease/original whole) x100%
Total A/total B
ratio
48. A number with more than two factors
difference
place value
composite number
Last two digits divisible by 4
49. 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.
number line
compensation
Total A/total B
greatest
50. To find a number that is close to an exact answer - E.g. 23+24 is around 50
whole number
estimate
even
equivalent