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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)
distributive property
commutative property
greatest
Adding/subtracting 0 from number doesn't change number; number multiplied by 0 is 0; division by 0 undefined
2. Two factors together that are multiplied to equal a larger number.
exponents
factor pair
greatest
compensation
3. How much a number is worth
value
percent
Sum of values/number of values
greatest common factor
4. Mode
product
factor pair
Value occurring most frequently
expression
5. PEMDAS - Parentheses - Exponents - Multiplication & Division (L to R) - Addition & Subtraction (L to R)
digit
difference
order of operations
equation
6. Number divisible by 5
proportion
equation
estimate
Last digit 0 or 5
7. The smallest number that is a multiple of both numbers. (the LCM of 15 and 6 is 30)
Sum of digits divisible by 9
least common multiple
fraction
Sum of values/number of values
8. Comparing decimal fractions
not equal
Sum of digits divisible by 3
decimal
Add zeros to decimals until all decimals have same number of digits
9. To perform a calculation - E.g. 2+2=4
compute
rational numbers
whole number
difference
10. Add up the digits; if the sum is a multiple of 3 the number is divisible by 3
odd number
Drop percent - move decimal point two place to left
divisibility by 3 rule
less than
11. A shortcut for writing repeated multiplication
Sum of digits divisible by 9
product
Drop percent - move decimal point two place to left
exponents
12. Two expressions that are set equal to each other; a number sentence with an equal sign
greatest common factor
square number
equation
odd number
13. A number that results from multiplying a factor by itself
percent
square number
greatest
Add zeros to decimals until all decimals have same number of digits
14. Median
Middle value
Last two digits divisible by 4
constants
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
15. Number divisible by 6
Divisible by 2 and 3
number line
decimal
percent
16. Not identical or equivalent to
not equal
expression
LCM is LCD
Value occurring most frequently
17. Two numbers or expressions that mean the same thing - E.g. 2/3=4/6
sum
greatest common factor
Line up decimal points
equivalent
18. An equation showing 2 ratios are equal
proportion
Multiply by 100%
Divide out largest common factor
least
19. The value of a digit based on its position within a number - e.g. 2 -432 The position of the numbers
Line up decimal points
place value
equivalent
distributive property
20. The answer to an addition problem
expression
sum
irrational numbers
Last digit divisible by 2
21. Average A per B
Total A/total B
Multiply by power of 10 so divisor is integer; decimal point is above that in dividend
digit
factor
22. Dividing decimals
Multiply by power of 10 so divisor is integer; decimal point is above that in dividend
product
Invert second term - then multiply
Divisible by 2 and 3
23. 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?
expanded form using exponents
numerator
greater than
place value
24. A value that does not change; any number
constants
prime number
Divide out largest common factor
Sum of digits divisible by 3
25. A line for representing and graphing numbers. Each point on the line corresponds to a number.
Last digit 0 or 5
even number
number line
equivalent
26. To make a percent
inverse property
Multiply by 100%
product
Adding/subtracting 0 from number doesn't change number; number multiplied by 0 is 0; division by 0 undefined
27. Percent increase
(Amount of increase/original whole) x100%
Number of decimal places is total number of decimals places in factors multiplied
difference
least
28. To place a fraction in lowest terms
Distributive law: multiply by LCM of all denominators; treat numerator/denominator separately
mixed number
simplify
place value
29. When a number is larger than the other number. Example 65 > 56
improper fraction
numerator
Divide out largest common factor
greater than
30. The answer to a subtraction problem
difference
prime number
Total A/total B
product
31. A letter that represents a value that may change
exponents
variables
equal
greatest common factor
32. odd + odd
1 dividing by number
even
factor pair
Divide out largest common factor
33. To change a percent to a decimal
expanded form using exponents
Drop percent - move decimal point two place to left
less than
Number of decimal places is total number of decimals places in factors multiplied
34. A set of operators - numbers - variables and grouping symbols; no equal sign
expression
odd number
Line up decimal points
prime factorization
35. A number with only two factors - one and itself - E.g. 3 -7 -11 -13 -17 -19...
prime number
variables
Total A/total B
sum
36. A fraction whose numerator is greater than its denominator
prime number
Adding/subtracting 0 from number doesn't change number; number multiplied by 0 is 0; division by 0 undefined
improper fraction
place value
37. Properties of 1 and -1
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38. A whole number such as 1 - 3 - 5 and so on that cannot be evenly divisible by 2
odd number
Adding/subtracting 0 from number doesn't change number; number multiplied by 0 is 0; division by 0 undefined
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
39. A number made up of a whole number and a fraction
Distributive law: multiply by LCM of all denominators; treat numerator/denominator separately
greater than
mixed number
sum
40. Properties of numbers btw -1 and 1
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41. The expression of a number as a product of prime factors; use a factor tree!
distributive property
range
prime factorization
number line
42. The greatest whole number that is a factor of two or more nonzero whole numbers
Invert second term - then multiply
constants
greatest common factor
numerator
43. 1/5 + 1/4=4/20 +5/20 and 20 is the...
common denominator
Original whole +/- amount of change
Multiply by power of 10 so divisor is integer; decimal point is above that in dividend
factor
44. Adding/subtracting decimals
divisible
greater than
Multiply by power of 10 so divisor is integer; decimal point is above that in dividend
Line up decimal points
45. Rational numbers in decimal form that have a block of on or more digits that repeat continuously
prime factorization
order of operations
repeating decimals
equivalent
46. In 4x4=16 - what is 4?
1 dividing by number
Original whole +/- amount of change
root numbers
equivalent
47. Rational numbers that expressed in decimal format that have fixed number of digits. 1.5 etc.
ratio
compute
terminating decimals
Divide by 100%
48. Answer to a division problem
terminating decimals
digit
quotient
(Amount of increase/original whole) x100%
49. 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)=
distributive property
Drop percent - move decimal point two place to left
variables
Distributive law: multiply by LCM of all denominators; treat numerator/denominator separately
50. The smallest number in a group of numbers
Divide out largest common factor
Value occurring most frequently
compute
least