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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. 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)
commutative property
whole number
range
Greater spread in values
2. A set of operators - numbers - variables and grouping symbols; no equal sign
proportion
product
denominator
expression
3. The smallest number that is a multiple of both numbers. (the LCM of 15 and 6 is 30)
square number
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
least common multiple
4. Able to be divided evenly (without a remainder)
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
improper fraction
expanded form using exponents
divisible
5. Add up the digits; if the sum is a multiple of 3 the number is divisible by 3
numerator
1 dividing by number
divisibility by 3 rule
compatible numbers
6. A whole number such as 1 - 3 - 5 and so on that cannot be evenly divisible by 2
Number w/o signs
factor pair
equation
odd number
7. Properties of 0
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8. The answer to an addition problem
sum
square number
identity property
range
9. Absolute value of number
even
distributive property
Sum of values/number of values
Number w/o signs
10. Properties of 1 and -1
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11. Percent decrease
simplify
mixed number
(Amount of decrease/original whole) x100%
Original whole +/- amount of change
12. A number with more than two factors
sum
composite number
Multiply by 100%
Multiply by power of 10 so divisor is integer; decimal point is above that in dividend
13. Number divisible by 6
even number
order of operations
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
Divisible by 2 and 3
14. A number without fractions; an integer- E.g. 0 - 1 - 2 - 3 - 4 - 5 - 6 - 7 - 8 - 9...
whole number
Line up decimal points
distributive property
(Amount of increase/original whole) x100%
15. Properties of numbers btw -1 and 1
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16. A fraction out of 100 - %
not equal
percent
product
evaluate
17. 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?
repeating decimals
product
Reduce diagonally/vertically then multiply numerators and denominators
numerator
18. The value of a digit based on its position within a number - e.g. 2 -432 The position of the numbers
sum
common denominator
Line up decimal points
place value
19. In 4x4=16 - what is 4?
order of operations
root numbers
product
square number
20. 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)=
exponents
Add zeros to decimals until all decimals have same number of digits
distributive property
common denominator
21. Simplifying complex fractions: two methods
even number
fraction
Distributive law: multiply by LCM of all denominators; treat numerator/denominator separately
improper fraction
22. A letter that represents a value that may change
factor pair
variables
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
Original whole +/- amount of change
23. Adding/subtracting fractions
Same numerators: fraction w/ smaller denominator has larger value; Same denominators: fraction w/ larger numerator has larger value
Sum of digits divisible by 3
LCM is LCD
equivalent
24. Dividing fractions
Invert second term - then multiply
whole number
irrational numbers
Divide out largest common factor
25. Reciprocal of number
Last two digits divisible by 4
1 dividing by number
range
Same numerators: fraction w/ smaller denominator has larger value; Same denominators: fraction w/ larger numerator has larger value
26. 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?
common denominator
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
Reduce diagonally/vertically then multiply numerators and denominators
denominator
27. The difference between the greatest and the least numbers in a set of data.
simplify
rational numbers
range
greatest
28. When a number is larger than the other number. Example 65 > 56
Last two digits divisible by 4
factor pair
greater than
identity property
29. Number divisible by 4
Last two digits divisible by 4
Value occurring most frequently
percent
Distributive law: multiply by LCM of all denominators; treat numerator/denominator separately
30. Probability
exponents
identity property
Number of desired outcomes/number of total possible outcomes
odd
31. Number divisible by 2
numerator
expanded form using exponents
Number of decimal places is total number of decimals places in factors multiplied
Last digit divisible by 2
32. A fraction whose numerator is greater than its denominator
improper fraction
compute
estimate
product
33. Rational numbers in decimal form that have a block of on or more digits that repeat continuously
equivalent
value
Last two digits divisible by 4
repeating decimals
34. 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
expression
odd
digit
35. 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.
numerator
digit
Probability for each event then multiply individual probabilities together
compensation
36. To perform a calculation - E.g. 2+2=4
equation
compute
quotient
estimate
37. Reducing fractions
rational numbers
Divide out largest common factor
exponents
inverse property
38. Standard deviation: greater if...
divisibility by 3 rule
Greater spread in values
Last two digits divisible by 4
Sum of values/number of values
39. New whole
greatest
Divide by 100%
percent
Original whole +/- amount of change
40. The largest number in a group of numbers
greatest common factor
divisibility by 3 rule
greatest
Last digit divisible by 2
41. 8x8=64 What is 64?
terminating decimals
Adding/subtracting 0 from number doesn't change number; number multiplied by 0 is 0; division by 0 undefined
even number
perfect square
42. Dividing decimals
place value
improper fraction
Multiply by power of 10 so divisor is integer; decimal point is above that in dividend
expanded form using exponents
43. Comparing positive fractions
irrational numbers
Adding/subtracting 0 from number doesn't change number; number multiplied by 0 is 0; division by 0 undefined
simplify
Same numerators: fraction w/ smaller denominator has larger value; Same denominators: fraction w/ larger numerator has larger value
44. Be identical or equivalent to
Last digit 0 or 5
equal
equation
least common multiple
45. A number that is multiplied by another number to find a producr
compensation
common denominator
factor
constants
46. Two factors together that are multiplied to equal a larger number.
greatest common factor
factor pair
Last two digits divisible by 4
square number
47. A number that represents a part of a whole or a group; also means 'divided by' - E.g. 1/2 -3/4.5/6
mixed number
Adding/subtracting 0 from number doesn't change number; number multiplied by 0 is 0; division by 0 undefined
Total A/total B
fraction
48. A number that results from multiplying a factor by itself
prime number
compatible numbers
square number
decimal
49. Any whole number that ends with 0 - 2 - 4 - 6 - or 8 - any whole number that can be divided by 2
Multiply by power of 10 so divisor is integer; decimal point is above that in dividend
even number
divisibility by 3 rule
value
50. Two expressions that are set equal to each other; a number sentence with an equal sign
expanded form using exponents
even
compatible numbers
equation