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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. Multiplying fractions
expanded form using exponents
sum
commutative property
Reduce diagonally/vertically then multiply numerators and denominators
2. Mode
expression
Value occurring most frequently
Original whole +/- amount of change
Number w/o signs
3. Be identical or equivalent to
equal
Number of desired outcomes/number of total possible outcomes
Distributive law: multiply by LCM of all denominators; treat numerator/denominator separately
ratio
4. An equation showing 2 ratios are equal
Part
proportion
irrational numbers
Last digit divisible by 2
5. To make a percent
expanded form using exponents
prime factorization
Multiply by 100%
Middle value
6. Not identical or equivalent to
Adding/subtracting 0 from number doesn't change number; number multiplied by 0 is 0; division by 0 undefined
expanded form using exponents
equation
not equal
7. 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
Number w/o signs
factor pair
greatest common factor
irrational numbers
8. Reciprocal of number
Sum of values/number of values
greatest common factor
1 dividing by number
Last digit 0 or 5
9. Properties of numbers btw -1 and 1
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10. The number at the top of a fraction; stands for the parts of a set you are considering - E.g. 3/4 What position is 3?
numerator
Distributive law: multiply by LCM of all denominators; treat numerator/denominator separately
variables
place value
11. A number that results from multiplying a factor by itself
square number
LCM is LCD
greater than
order of operations
12. Multiplying decimals
(Amount of increase/original whole) x100%
Number of decimal places is total number of decimals places in factors multiplied
identity property
Total A/total B
13. 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
compensation
distributive property
square number
14. Number divisible by 4
Number of desired outcomes/number of total possible outcomes
Last two digits divisible by 4
Part
(Amount of decrease/original whole) x100%
15. Number divisible by 9
denominator
Sum of digits divisible by 9
not equal
difference
16. A number written in expanded form with the place values written in exponential form - E.g. 2432=2000+400+30+2
odd number
Sum of values/number of values
difference
expanded form using exponents
17. Comparing positive fractions
number line
improper fraction
repeating decimals
Same numerators: fraction w/ smaller denominator has larger value; Same denominators: fraction w/ larger numerator has larger value
18. 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?
identity property
odd number
denominator
ratio
19. Two factors together that are multiplied to equal a larger number.
Number of decimal places is total number of decimals places in factors multiplied
least
value
factor pair
20. Natural Numbers - Whole Numbers - Integers - Rational Numbers
place value
rational numbers
mixed number
greater than
21. Adding/subtracting decimals
Line up decimal points
place value
Last digit divisible by 2
Add zeros to decimals until all decimals have same number of digits
22. Percent x whole
Last digit divisible by 2
Part
Divisible by 2 and 3
Last two digits divisible by 4
23. In 4x4=16 - what is 4?
associative property
Last digit divisible by 2
exponents
root numbers
24. Multiple-event probability
irrational numbers
product
Probability for each event then multiply individual probabilities together
Multiply by power of 10 so divisor is integer; decimal point is above that in dividend
25. Adding/subtracting fractions
odd number
LCM is LCD
whole number
Invert second term - then multiply
26. Add up the digits; if the sum is a multiple of 3 the number is divisible by 3
divisibility by 3 rule
even number
Number w/o signs
Part
27. 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)=
equivalent
distributive property
factor
Divide out largest common factor
28. Standard deviation: greater if...
Greater spread in values
commutative property
place value
product
29. Two expressions that are set equal to each other; a number sentence with an equal sign
equation
range
digit
product
30. A fraction out of 100 - %
simplify
(Amount of decrease/original whole) x100%
percent
value
31. The answer to a subtraction problem
improper fraction
greatest
difference
Last digit divisible by 2
32. The smallest number that is a multiple of both numbers. (the LCM of 15 and 6 is 30)
number line
least common multiple
variables
LCM is LCD
33. 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
inverse property
fraction
range
digit
34. A shortcut for writing repeated multiplication
prime number
exponents
rational numbers
percent
35. A number that is multiplied by another number to find a producr
inverse property
place value
factor
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
36. A number without fractions; an integer- E.g. 0 - 1 - 2 - 3 - 4 - 5 - 6 - 7 - 8 - 9...
associative property
compute
difference
whole number
37. Dividing fractions
exponents
Invert second term - then multiply
number line
Greater spread in values
38. When a number is larger than the other number. Example 65 > 56
greater than
expanded form using exponents
prime number
perfect square
39. Properties of 0
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40. A number with more than two factors
composite number
factor pair
ratio
factor
41. Reducing fractions
Divide out largest common factor
Original whole +/- amount of change
commutative property
equation
42. odd + even
1 dividing by number
odd
constants
Sum of values/number of values
43. Number divisible by 3
identity property
Sum of digits divisible by 3
Multiply by power of 10 so divisor is integer; decimal point is above that in dividend
square number
44. The largest number in a group of numbers
constants
product
percent
greatest
45. How much a number is worth
divisibility by 3 rule
value
Same numerators: fraction w/ smaller denominator has larger value; Same denominators: fraction w/ larger numerator has larger value
percent
46. A value that does not change; any number
constants
place value
expanded form using exponents
divisibility by 3 rule
47. To find a number that is close to an exact answer - E.g. 23+24 is around 50
1 dividing by number
estimate
digit
inverse property
48. Number divisible by 5
square number
common denominator
Divisible by 2 and 3
Last digit 0 or 5
49. A number made up of a whole number and a fraction
evaluate
divisibility by 3 rule
repeating decimals
mixed number
50. A number with only two factors - one and itself - E.g. 3 -7 -11 -13 -17 -19...
prime number
expanded form using exponents
Part
number line