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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. Reciprocal of number
decimal
greatest common factor
1 dividing by number
inverse property
2. Able to be divided evenly (without a remainder)
divisible
Last digit divisible by 2
perfect square
Middle value
3. An equation showing 2 ratios are equal
order of operations
(Amount of decrease/original whole) x100%
Multiply by power of 10 so divisor is integer; decimal point is above that in dividend
proportion
4. 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?
divisible
Number of decimal places is total number of decimals places in factors multiplied
constants
denominator
5. Properties of numbers btw -1 and 1
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6. Number divisible by 3
Sum of digits divisible by 3
Reduce diagonally/vertically then multiply numerators and denominators
divisible
Value occurring most frequently
7. To find the answer for; solve
1 dividing by number
associative property
equation
evaluate
8. The answer to an addition problem
Part
compensation
equivalent
sum
9. Two numbers or expressions that mean the same thing - E.g. 2/3=4/6
Same numerators: fraction w/ smaller denominator has larger value; Same denominators: fraction w/ larger numerator has larger value
distributive property
equivalent
difference
10. Answer to a multiplication problem
product
decimal
factor
difference
11. A number that results from multiplying a factor by itself
compensation
square number
prime number
order of operations
12. Average A per B
factor
Probability for each event then multiply individual probabilities together
Total A/total B
Greater spread in values
13. A number made up of a whole number and a fraction
Drop percent - move decimal point two place to left
prime factorization
odd
mixed number
14. Number divisible by 9
Sum of digits divisible by 9
least common multiple
Total A/total B
Original whole +/- amount of change
15. To find a number that is close to an exact answer - E.g. 23+24 is around 50
estimate
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
Sum of digits divisible by 9
Multiply by power of 10 so divisor is integer; decimal point is above that in dividend
16. Number divisible by 2
Last digit divisible by 2
constants
Invert second term - then multiply
Divisible by 2 and 3
17. The largest number in a group of numbers
equation
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
greatest
repeating decimals
18. Simplifying complex fractions: two methods
Adding/subtracting 0 from number doesn't change number; number multiplied by 0 is 0; division by 0 undefined
Distributive law: multiply by LCM of all denominators; treat numerator/denominator separately
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
prime factorization
19. A value that does not change; any number
constants
Last digit divisible by 2
number line
(Amount of increase/original whole) x100%
20. The difference between the greatest and the least numbers in a set of data.
Multiply by power of 10 so divisor is integer; decimal point is above that in dividend
denominator
range
simplify
21. The value of a digit based on its position within a number - e.g. 2 -432 The position of the numbers
Sum of digits divisible by 9
equivalent
place value
root numbers
22. Average value
less than
perfect square
Sum of values/number of values
(Amount of increase/original whole) x100%
23. Rational numbers in decimal form that have a block of on or more digits that repeat continuously
prime factorization
repeating decimals
divisible
numerator
24. 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
fraction
constants
equivalent
25. A number that is multiplied by another number to find a producr
divisibility by 3 rule
Sum of digits divisible by 3
least common multiple
factor
26. A set of operators - numbers - variables and grouping symbols; no equal sign
expression
perfect square
range
not equal
27. Percent x whole
Part
Reduce diagonally/vertically then multiply numerators and denominators
digit
less than
28. Two expressions that are set equal to each other; a number sentence with an equal sign
commutative property
least
equation
prime number
29. Standard deviation: greater if...
Greater spread in values
terminating decimals
even
greatest common factor
30. 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
irrational numbers
quotient
expression
Last two digits divisible by 4
31. Reducing fractions
number line
ratio
variables
Divide out largest common factor
32. In 4x4=16 - what is 4?
evaluate
least common multiple
root numbers
place value
33. Relationship in which a number is smaller than another
root numbers
LCM is LCD
improper fraction
less than
34. 1/5 + 1/4=4/20 +5/20 and 20 is the...
Sum of digits divisible by 9
difference
common denominator
odd
35. Any of the symbols used to write numbers (0 - 1 - 2 - 3 - 4 - 5 - 6 - 7 - 8 - 9)
identity property
product
digit
Drop percent - move decimal point two place to left
36. The smallest number in a group of numbers
Original whole +/- amount of change
(Amount of decrease/original whole) x100%
least
repeating decimals
37. Comparing decimal fractions
composite number
Add zeros to decimals until all decimals have same number of digits
Sum of values/number of values
factor pair
38. 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)
Sum of digits divisible by 3
number line
odd
associative property
39. Median
repeating decimals
Middle value
simplify
order of operations
40. PEMDAS - Parentheses - Exponents - Multiplication & Division (L to R) - Addition & Subtraction (L to R)
number line
order of operations
identity property
(Amount of increase/original whole) x100%
41. Properties of 0
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42. Dividing fractions
exponents
root numbers
Divisible by 2 and 3
Invert second term - then multiply
43. A fraction whose numerator is greater than its denominator
improper fraction
Number w/o signs
simplify
identity property
44. A line for representing and graphing numbers. Each point on the line corresponds to a number.
Drop percent - move decimal point two place to left
range
number line
Sum of digits divisible by 9
45. The answer to a subtraction problem
estimate
difference
decimal
prime number
46. 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
identity property
square number
greatest
whole number
47. 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
estimate
product
Number of decimal places is total number of decimals places in factors multiplied
48. A number with more than two factors
composite number
simplify
equation
factor pair
49. Number divisible by 6
Number of desired outcomes/number of total possible outcomes
Divisible by 2 and 3
associative property
Add zeros to decimals until all decimals have same number of digits
50. The greatest whole number that is a factor of two or more nonzero whole numbers
greatest common factor
Last digit 0 or 5
Add zeros to decimals until all decimals have same number of digits
(Amount of increase/original whole) x100%