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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. Properties of numbers btw -1 and 1
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2. Reciprocal of number
Distributive law: multiply by LCM of all denominators; treat numerator/denominator separately
value
1 dividing by number
perfect square
3. In 4x4=16 - what is 4?
number line
compatible numbers
Line up decimal points
root numbers
4. A number with more than two factors
prime number
composite number
Distributive law: multiply by LCM of all denominators; treat numerator/denominator separately
Sum of digits divisible by 9
5. Adding/subtracting decimals
composite number
perfect square
Line up decimal points
rational numbers
6. Able to be divided evenly (without a remainder)
number line
divisible
composite number
distributive property
7. Number divisible by 5
quotient
Divide out largest common factor
compensation
Last digit 0 or 5
8. Simplifying complex fractions: two methods
(Amount of increase/original whole) x100%
rational numbers
perfect square
Distributive law: multiply by LCM of all denominators; treat numerator/denominator separately
9. Rational numbers in decimal form that have a block of on or more digits that repeat continuously
Last digit divisible by 2
Sum of values/number of values
odd
repeating decimals
10. The answer to a subtraction problem
Total A/total B
difference
value
estimate
11. Multiplying decimals
greatest
LCM is LCD
less than
Number of decimal places is total number of decimals places in factors multiplied
12. The difference between the greatest and the least numbers in a set of data.
quotient
range
Sum of values/number of values
even
13. Probability
prime factorization
Invert second term - then multiply
Divisible by 2 and 3
Number of desired outcomes/number of total possible outcomes
14. A number that is multiplied by another number to find a producr
repeating decimals
number line
factor
Sum of values/number of values
15. Absolute value of number
Number w/o signs
place value
Last two digits divisible by 4
order of operations
16. A number with only two factors - one and itself - E.g. 3 -7 -11 -13 -17 -19...
prime number
Reduce diagonally/vertically then multiply numerators and denominators
perfect square
product
17. Be identical or equivalent to
Multiply by 100%
variables
even
equal
18. 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)
greater than
Divide by 100%
difference
commutative property
19. Comparing positive fractions
quotient
value
Same numerators: fraction w/ smaller denominator has larger value; Same denominators: fraction w/ larger numerator has larger value
perfect square
20. Number divisible by 2
Divisible by 2 and 3
Last digit divisible by 2
compatible numbers
(Amount of increase/original whole) x100%
21. Number divisible by 6
least
factor pair
divisibility by 3 rule
Divisible by 2 and 3
22. PEMDAS - Parentheses - Exponents - Multiplication & Division (L to R) - Addition & Subtraction (L to R)
order of operations
variables
Value occurring most frequently
Same numerators: fraction w/ smaller denominator has larger value; Same denominators: fraction w/ larger numerator has larger value
23. The smallest number in a group of numbers
improper fraction
estimate
commutative property
least
24. Two expressions that are set equal to each other; a number sentence with an equal sign
divisibility by 3 rule
prime number
odd
equation
25. Standard deviation: greater if...
decimal
Greater spread in values
commutative property
equal
26. A line for representing and graphing numbers. Each point on the line corresponds to a number.
equivalent
number line
1 dividing by number
even number
27. A fraction whose numerator is greater than its denominator
Last digit divisible by 2
Last digit 0 or 5
Distributive law: multiply by LCM of all denominators; treat numerator/denominator separately
improper fraction
28. Two factors together that are multiplied to equal a larger number.
odd
factor pair
evaluate
associative property
29. 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 of values/number of 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
identity property
sum
30. Dividing 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
Multiply by power of 10 so divisor is integer; decimal point is above that in dividend
percent
Drop percent - move decimal point two place to left
31. A number that results from multiplying a factor by itself
(Amount of increase/original whole) x100%
square number
1 dividing by number
compute
32. Add up the digits; if the sum is a multiple of 3 the number is divisible by 3
prime factorization
divisibility by 3 rule
whole number
inverse property
33. Not identical or equivalent to
root numbers
not equal
percent
variables
34. The answer to an addition problem
Adding/subtracting 0 from number doesn't change number; number multiplied by 0 is 0; division by 0 undefined
simplify
sum
prime number
35. A value that does not change; any number
order of operations
even
range
constants
36. How much a number is worth
compute
associative property
value
mixed number
37. Number divisible by 4
product
Last two digits divisible by 4
terminating decimals
least
38. 8x8=64 What is 64?
equivalent
perfect square
composite number
value
39. A number that represents a part of a whole or a group; also means 'divided by' - E.g. 1/2 -3/4.5/6
Invert second term - then multiply
percent
fraction
rational numbers
40. The smallest number that is a multiple of both numbers. (the LCM of 15 and 6 is 30)
constants
associative property
prime number
least common multiple
41. When a number is larger than the other number. Example 65 > 56
greater than
place value
odd
compatible numbers
42. A number made up of a whole number and a fraction
greatest
mixed number
Original whole +/- amount of change
numerator
43. Multiple-event probability
estimate
Probability for each event then multiply individual probabilities together
equivalent
compensation
44. Reducing fractions
Divide out largest common factor
least
ratio
irrational numbers
45. Relationship in which a number is smaller than another
Divide out largest common factor
less than
proportion
greatest common factor
46. To change a percent to a decimal
digit
identity property
Drop percent - move decimal point two place to left
product
47. Numbers that are easy to compute mentally - E.g. 34 / 5 is close to 35 / 5
equivalent
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
even number
compatible numbers
48. A letter that represents a value that may change
Sum of digits divisible by 3
variables
Number of decimal places is total number of decimals places in factors multiplied
Same numerators: fraction w/ smaller denominator has larger value; Same denominators: fraction w/ larger numerator has larger value
49. A number without fractions; an integer- E.g. 0 - 1 - 2 - 3 - 4 - 5 - 6 - 7 - 8 - 9...
whole number
Add zeros to decimals until all decimals have same number of digits
sum
compatible numbers
50. Multiplying fractions
Reduce diagonally/vertically then multiply numerators and denominators
decimal
equal
Last digit 0 or 5
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