SUBJECTS
|
BROWSE
|
CAREER CENTER
|
POPULAR
|
JOIN
|
LOGIN
Business Skills
|
Soft Skills
|
Basic Literacy
|
Certifications
About
|
Help
|
Privacy
|
Terms
|
Email
Search
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. Able to be divided evenly (without a remainder)
terminating decimals
divisible
rational numbers
Reduce diagonally/vertically then multiply numerators and denominators
2. Numbers that are easy to compute mentally - E.g. 34 / 5 is close to 35 / 5
equal
Line up decimal points
ratio
compatible numbers
3. Be identical or equivalent to
whole number
Drop percent - move decimal point two place to left
equal
greater than
4. Two factors together that are multiplied to equal a larger number.
factor pair
compute
Last digit divisible by 2
Invert second term - then multiply
5. Add up the digits; if the sum is a multiple of 3 the number is divisible by 3
compensation
inverse property
range
divisibility by 3 rule
6. To drop a percent
Add zeros to decimals until all decimals have same number of digits
Divide by 100%
Divisible by 2 and 3
estimate
7. Multiplying decimals
digit
Number of decimal places is total number of decimals places in factors multiplied
Same numerators: fraction w/ smaller denominator has larger value; Same denominators: fraction w/ larger numerator has larger value
compatible numbers
8. Multiplying fractions
prime number
equation
percent
Reduce diagonally/vertically then multiply numerators and denominators
9. The value of a digit based on its position within a number - e.g. 2 -432 The position of the numbers
rational numbers
place value
repeating decimals
Number w/o signs
10. In 4x4=16 - what is 4?
distributive property
factor pair
repeating decimals
root numbers
11. 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)
irrational numbers
Distributive law: multiply by LCM of all denominators; treat numerator/denominator separately
Invert second term - then multiply
associative property
12. 8x8=64 What is 64?
perfect square
Probability for each event then multiply individual probabilities together
Divide out largest common factor
variables
13. A number that represents a part of a whole or a group; also means 'divided by' - E.g. 1/2 -3/4.5/6
Number of decimal places is total number of decimals places in factors multiplied
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
fraction
Value occurring most frequently
14. The answer to an addition problem
proportion
Drop percent - move decimal point two place to left
sum
Sum of digits divisible by 9
15. 1/5 + 1/4=4/20 +5/20 and 20 is the...
Divide out largest common factor
identity property
denominator
common denominator
16. To perform a calculation - E.g. 2+2=4
compute
odd number
Reduce diagonally/vertically then multiply numerators and denominators
greater than
17. A line for representing and graphing numbers. Each point on the line corresponds to a number.
Sum of digits divisible by 3
expanded form using exponents
number line
compensation
18. Standard deviation: greater if...
denominator
square number
prime factorization
Greater spread in values
19. The greatest whole number that is a factor of two or more nonzero whole numbers
greatest common factor
(Amount of decrease/original whole) x100%
prime factorization
product
20. A number without fractions; an integer- E.g. 0 - 1 - 2 - 3 - 4 - 5 - 6 - 7 - 8 - 9...
whole number
Probability for each event then multiply individual probabilities together
Sum of values/number of values
square number
21. Dividing fractions
exponents
Invert second term - then multiply
associative property
compensation
22. A number with one or more digits to the right of the decimal point - E.g. .33
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
perfect square
Divide by 100%
decimal
23. Multiple-event probability
Probability for each event then multiply individual probabilities together
mixed number
Reduce diagonally/vertically then multiply numerators and denominators
even
24. To find a number that is close to an exact answer - E.g. 23+24 is around 50
greater than
constants
estimate
Multiply by 100%
25. Number divisible by 9
Sum of digits divisible by 9
compensation
(Amount of decrease/original whole) x100%
place value
26. An equation showing 2 ratios are equal
Drop percent - move decimal point two place to left
Multiply by 100%
Add zeros to decimals until all decimals have same number of digits
proportion
27. How much a number is worth
value
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
product
exponents
28. The largest number in a group of numbers
Last digit divisible by 2
factor
greatest
odd
29. To make a percent
(Amount of decrease/original whole) x100%
equivalent
identity property
Multiply by 100%
30. Adding/subtracting decimals
LCM is LCD
irrational numbers
Line up decimal points
compensation
31. The smallest number in a group of numbers
Distributive law: multiply by LCM of all denominators; treat numerator/denominator separately
least
Line up decimal points
divisibility by 3 rule
32. 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.
even number
compensation
Same numerators: fraction w/ smaller denominator has larger value; Same denominators: fraction w/ larger numerator has larger value
numerator
33. odd + even
numerator
odd
Divide by 100%
Number of desired outcomes/number of total possible outcomes
34. Any of the symbols used to write numbers (0 - 1 - 2 - 3 - 4 - 5 - 6 - 7 - 8 - 9)
digit
Add zeros to decimals until all decimals have same number of digits
ratio
repeating decimals
35. A comparison of 2 numbers; one form is a fraction
Probability for each event then multiply individual probabilities together
ratio
Line up decimal points
estimate
36. The difference between the greatest and the least numbers in a set of data.
evaluate
Total A/total B
range
constants
37. Comparing positive fractions
digit
Total A/total B
Last digit divisible by 2
Same numerators: fraction w/ smaller denominator has larger value; Same denominators: fraction w/ larger numerator has larger value
38. To place a fraction in lowest terms
Last two digits divisible by 4
simplify
prime number
sum
39. Adding/subtracting fractions
LCM is LCD
not equal
Total A/total B
1 dividing by number
40. New whole
composite number
Original whole +/- amount of change
Sum of values/number of values
equivalent
41. To change a percent to a decimal
Drop percent - move decimal point two place to left
odd number
improper fraction
difference
42. 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)=
not equal
Total A/total B
factor pair
distributive property
43. A number with only two factors - one and itself - E.g. 3 -7 -11 -13 -17 -19...
prime factorization
prime number
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
Sum of digits divisible by 3
44. A number with more than two factors
Last digit 0 or 5
commutative property
composite number
1 dividing by number
45. Dividing decimals
greatest common factor
Multiply by power of 10 so divisor is integer; decimal point is above that in dividend
Number of desired outcomes/number of total possible outcomes
LCM is LCD
46. When a number is larger than the other number. Example 65 > 56
Number of desired outcomes/number of total possible outcomes
Add zeros to decimals until all decimals have same number of digits
greater than
evaluate
47. The answer to a multiplication problem
simplify
Number of desired outcomes/number of total possible outcomes
product
rational numbers
48. Two numbers or expressions that mean the same thing - E.g. 2/3=4/6
equivalent
even number
Probability for each event then multiply individual probabilities together
simplify
49. Natural Numbers - Whole Numbers - Integers - Rational Numbers
rational numbers
Last two digits divisible by 4
compensation
range
50. The answer to a subtraction problem
product
difference
ratio
Middle value