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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. 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?
Value occurring most frequently
denominator
associative property
Sum of values/number of values
2. Number divisible by 4
greatest
Last two digits divisible by 4
repeating decimals
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
3. The answer to an addition problem
divisible
sum
prime factorization
expanded form using exponents
4. Probability
constants
decimal
root numbers
Number of desired outcomes/number of total possible outcomes
5. Reciprocal of number
1 dividing by number
even
identity property
product
6. Properties of 0
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7. A number made up of a whole number and a fraction
less than
mixed number
Middle value
odd
8. Able to be divided evenly (without a remainder)
whole number
divisible
constants
identity property
9. How much a number is worth
value
Add zeros to decimals until all decimals have same number of digits
least
equal
10. To find the answer for; solve
range
variables
improper fraction
evaluate
11. A number written in expanded form with the place values written in exponential form - E.g. 2432=2000+400+30+2
expanded form using exponents
Multiply by 100%
perfect square
fraction
12. A fraction out of 100 - %
Line up decimal points
odd
percent
variables
13. Number divisible by 3
(Amount of decrease/original whole) x100%
Sum of digits divisible by 9
common denominator
Sum of digits divisible by 3
14. Any whole number that ends with 0 - 2 - 4 - 6 - or 8 - any whole number that can be divided by 2
Adding/subtracting 0 from number doesn't change number; number multiplied by 0 is 0; division by 0 undefined
even number
compatible numbers
Number of desired outcomes/number of total possible outcomes
15. An equation showing 2 ratios are equal
factor pair
ratio
Multiply by power of 10 so divisor is integer; decimal point is above that in dividend
proportion
16. 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
Number of decimal places is total number of decimals places in factors multiplied
inverse property
(Amount of decrease/original whole) x100%
expression
17. A number that is multiplied by another number to find a producr
sum
factor
Sum of digits divisible by 3
perfect square
18. A number with more than two factors
inverse property
composite number
compensation
Value occurring most frequently
19. A letter that represents a value that may change
variables
proportion
constants
compute
20. The smallest number that is a multiple of both numbers. (the LCM of 15 and 6 is 30)
percent
irrational numbers
Add zeros to decimals until all decimals have same number of digits
least common multiple
21. To find a number that is close to an exact answer - E.g. 23+24 is around 50
estimate
product
Number of desired outcomes/number of total possible outcomes
Middle value
22. Number divisible by 2
Part
variables
Same numerators: fraction w/ smaller denominator has larger value; Same denominators: fraction w/ larger numerator has larger value
Last digit divisible by 2
23. A value that does not change; any number
Divisible by 2 and 3
constants
(Amount of decrease/original whole) x100%
equal
24. To make a percent
divisibility by 3 rule
Multiply by 100%
odd
Last digit 0 or 5
25. 8x8=64 What is 64?
number line
perfect square
evaluate
even
26. The answer to a multiplication problem
factor pair
not equal
product
decimal
27. odd + odd
Invert second term - then multiply
even
factor pair
Multiply by 100%
28. Any of the symbols used to write numbers (0 - 1 - 2 - 3 - 4 - 5 - 6 - 7 - 8 - 9)
least common multiple
digit
compensation
product
29. Properties of 1 and -1
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30. Multiplying decimals
factor
exponents
compensation
Number of decimal places is total number of decimals places in factors multiplied
31. To change a percent to a decimal
Sum of values/number of values
Multiply by 100%
numerator
Drop percent - move decimal point two place to left
32. Adding/subtracting fractions
LCM is LCD
value
Last digit divisible by 2
proportion
33. A line for representing and graphing numbers. Each point on the line corresponds to a number.
improper fraction
evaluate
number line
distributive property
34. Adding/subtracting decimals
Last digit 0 or 5
less than
Line up decimal points
not equal
35. A comparison of 2 numbers; one form is a fraction
common denominator
evaluate
Value occurring most frequently
ratio
36. 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.
compensation
variables
greatest
inverse property
37. Add up the digits; if the sum is a multiple of 3 the number is divisible by 3
divisibility by 3 rule
fraction
irrational numbers
terminating decimals
38. In 4x4=16 - what is 4?
percent
distributive property
Add zeros to decimals until all decimals have same number of digits
root numbers
39. 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)
equation
associative property
Multiply by 100%
Sum of digits divisible by 9
40. Two numbers or expressions that mean the same thing - E.g. 2/3=4/6
digit
equivalent
expanded form using exponents
(Amount of decrease/original whole) x100%
41. A number without fractions; an integer- E.g. 0 - 1 - 2 - 3 - 4 - 5 - 6 - 7 - 8 - 9...
whole number
Original whole +/- amount of change
divisible
quotient
42. Numbers that are easy to compute mentally - E.g. 34 / 5 is close to 35 / 5
identity property
number line
square number
compatible numbers
43. 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)
terminating decimals
repeating decimals
greatest common factor
commutative property
44. To drop a percent
Divide by 100%
(Amount of decrease/original whole) x100%
Multiply by power of 10 so divisor is integer; decimal point is above that in dividend
Sum of values/number of values
45. To place a fraction in lowest terms
Drop percent - move decimal point two place to left
Last digit divisible by 2
simplify
odd number
46. Properties of numbers btw -1 and 1
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47. Standard deviation: greater if...
improper fraction
Greater spread in 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
even number
48. Rational numbers in decimal form that have a block of on or more digits that repeat continuously
compatible numbers
irrational numbers
whole number
repeating decimals
49. The greatest whole number that is a factor of two or more nonzero whole numbers
Number of desired outcomes/number of total possible outcomes
percent
rational numbers
greatest common factor
50. A number that represents a part of a whole or a group; also means 'divided by' - E.g. 1/2 -3/4.5/6
fraction
inverse property
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
common denominator