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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. Properties of 1 and -1
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2. Number divisible by 5
Drop percent - move decimal point two place to left
identity property
Last digit 0 or 5
numerator
3. A whole number such as 1 - 3 - 5 and so on that cannot be evenly divisible by 2
range
odd number
denominator
sum
4. A number made up of a whole number and a fraction
mixed number
expression
Number of decimal places is total number of decimals places in factors multiplied
Greater spread in values
5. Natural Numbers - Whole Numbers - Integers - Rational Numbers
number line
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
rational numbers
percent
6. The value of a digit based on its position within a number - e.g. 2 -432 The position of the numbers
place value
identity property
irrational numbers
perfect square
7. In 4x4=16 - what is 4?
equal
root numbers
equation
terminating decimals
8. A number that represents a part of a whole or a group; also means 'divided by' - E.g. 1/2 -3/4.5/6
Last digit divisible by 2
Value occurring most frequently
fraction
greater than
9. Be identical or equivalent to
Last digit 0 or 5
Invert second term - then multiply
Number w/o signs
equal
10. To change a percent to a decimal
Drop percent - move decimal point two place to left
Distributive law: multiply by LCM of all denominators; treat numerator/denominator separately
commutative property
even
11. Multiple-event probability
least
order of operations
Probability for each event then multiply individual probabilities together
Divide out largest common factor
12. An equation showing 2 ratios are equal
proportion
Divide out largest common factor
Total A/total B
equal
13. The answer to an addition problem
sum
square number
Distributive law: multiply by LCM of all denominators; treat numerator/denominator separately
Part
14. Properties of numbers btw -1 and 1
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15. Multiplying decimals
Number of decimal places is total number of decimals places in factors multiplied
even
divisible
simplify
16. Two numbers or expressions that mean the same thing - E.g. 2/3=4/6
least common multiple
Number w/o signs
equivalent
Divide by 100%
17. Answer to a multiplication problem
product
whole number
even number
decimal
18. To find a number that is close to an exact answer - E.g. 23+24 is around 50
denominator
equation
estimate
compatible numbers
19. Comparing decimal fractions
rational numbers
not equal
Add zeros to decimals until all decimals have same number of digits
Divide out largest common factor
20. A comparison of 2 numbers; one form is a fraction
ratio
commutative property
greatest
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
21. Properties of 0
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22. 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
expression
place value
expanded form using exponents
identity property
23. To place a fraction in lowest terms
Drop percent - move decimal point two place to left
Last two digits divisible by 4
simplify
Distributive law: multiply by LCM of all denominators; treat numerator/denominator separately
24. Rational numbers that expressed in decimal format that have fixed number of digits. 1.5 etc.
denominator
terminating decimals
not equal
Reduce diagonally/vertically then multiply numerators and denominators
25. Able to be divided evenly (without a remainder)
compatible numbers
Part
divisible
greatest common factor
26. 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
value
Drop percent - move decimal point two place to left
Greater spread in values
27. Number divisible by 2
irrational numbers
Same numerators: fraction w/ smaller denominator has larger value; Same denominators: fraction w/ larger numerator has larger value
compute
Last digit divisible by 2
28. The expression of a number as a product of prime factors; use a factor tree!
whole number
prime factorization
greatest common factor
Sum of values/number of values
29. A set of operators - numbers - variables and grouping symbols; no equal sign
product
Divide by 100%
expression
Sum of values/number of values
30. Add up the digits; if the sum is a multiple of 3 the number is divisible by 3
even
least
sum
divisibility by 3 rule
31. Standard deviation: greater if...
constants
odd
Greater spread in values
1 dividing by number
32. Relationship in which a number is smaller than another
distributive property
value
less than
Value occurring most frequently
33. 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?
denominator
Number w/o signs
expression
identity property
34. Multiplying fractions
Reduce diagonally/vertically then multiply numerators and denominators
product
evaluate
Last digit 0 or 5
35. Any of the symbols used to write numbers (0 - 1 - 2 - 3 - 4 - 5 - 6 - 7 - 8 - 9)
denominator
range
digit
least
36. Number divisible by 6
square number
Divisible by 2 and 3
root numbers
compatible numbers
37. Adding/subtracting decimals
ratio
constants
Part
Line up decimal points
38. The smallest number in a group of numbers
square number
Distributive law: multiply by LCM of all denominators; treat numerator/denominator separately
Sum of digits divisible by 3
least
39. A number that results from multiplying a factor by itself
compatible numbers
square number
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
Last digit divisible by 2
40. Number divisible by 9
inverse property
expanded form using exponents
Same numerators: fraction w/ smaller denominator has larger value; Same denominators: fraction w/ larger numerator has larger value
Sum of digits divisible by 9
41. A number written in expanded form with the place values written in exponential form - E.g. 2432=2000+400+30+2
common denominator
expanded form using exponents
divisibility by 3 rule
numerator
42. Percent decrease
Multiply by 100%
(Amount of decrease/original whole) x100%
Sum of digits divisible by 3
greater than
43. A shortcut for writing repeated multiplication
odd
Reduce diagonally/vertically then multiply numerators and denominators
exponents
commutative property
44. Numbers that are easy to compute mentally - E.g. 34 / 5 is close to 35 / 5
compatible numbers
Last digit 0 or 5
divisible
even
45. Percent increase
digit
(Amount of increase/original whole) x100%
product
Distributive law: multiply by LCM of all denominators; treat numerator/denominator separately
46. A number with more than two factors
composite number
Divide out largest common factor
fraction
constants
47. Mode
order of operations
Value occurring most frequently
compute
Sum of digits divisible by 9
48. A fraction whose numerator is greater than its denominator
Last digit divisible by 2
improper fraction
denominator
evaluate
49. Not identical or equivalent to
proportion
compensation
denominator
not equal
50. Answer to a division problem
Add zeros to decimals until all decimals have same number of digits
quotient
compatible numbers
less than