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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. A number made up of a whole number and a fraction
(Amount of decrease/original whole) x100%
mixed number
Total A/total B
rational numbers
2. A value that does not change; any number
associative property
Reduce diagonally/vertically then multiply numerators and denominators
constants
Number of desired outcomes/number of total possible outcomes
3. Adding/subtracting fractions
LCM is LCD
root numbers
simplify
proportion
4. The difference between the greatest and the least numbers in a set of data.
even
composite number
commutative property
range
5. Two numbers or expressions that mean the same thing - E.g. 2/3=4/6
Middle value
place value
(Amount of decrease/original whole) x100%
equivalent
6. Answer to a division problem
denominator
equation
quotient
(Amount of increase/original whole) x100%
7. Properties of numbers btw -1 and 1
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8. Number divisible by 3
product
Number of decimal places is total number of decimals places in factors multiplied
Sum of digits divisible by 3
Last two digits divisible by 4
9. Properties of 0
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10. Not identical or equivalent to
terminating decimals
not equal
divisibility by 3 rule
divisible
11. A number written in expanded form with the place values written in exponential form - E.g. 2432=2000+400+30+2
ratio
expanded form using exponents
Multiply by 100%
mixed number
12. Simplifying complex fractions: two methods
square number
constants
odd
Distributive law: multiply by LCM of all denominators; treat numerator/denominator separately
13. Rational numbers that expressed in decimal format that have fixed number of digits. 1.5 etc.
Drop percent - move decimal point two place to left
terminating decimals
1 dividing by number
(Amount of increase/original whole) x100%
14. To find a number that is close to an exact answer - E.g. 23+24 is around 50
estimate
order of operations
Last digit 0 or 5
Invert second term - then multiply
15. To change a percent to a decimal
Drop percent - move decimal point two place to left
Multiply by power of 10 so divisor is integer; decimal point is above that in dividend
even
compatible numbers
16. Percent decrease
greatest common factor
rational numbers
Divisible by 2 and 3
(Amount of decrease/original whole) x100%
17. A number without fractions; an integer- E.g. 0 - 1 - 2 - 3 - 4 - 5 - 6 - 7 - 8 - 9...
Last digit 0 or 5
root numbers
range
whole number
18. Number divisible by 6
rational numbers
Part
Divisible by 2 and 3
fraction
19. Any of the symbols used to write numbers (0 - 1 - 2 - 3 - 4 - 5 - 6 - 7 - 8 - 9)
sum
terminating decimals
associative property
digit
20. 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.
evaluate
odd
compensation
repeating decimals
21. New whole
Invert second term - then multiply
greatest
Number of desired outcomes/number of total possible outcomes
Original whole +/- amount of change
22. Percent increase
simplify
(Amount of increase/original whole) x100%
whole number
Middle value
23. A number with one or more digits to the right of the decimal point - E.g. .33
Sum of digits divisible by 3
numerator
Same numerators: fraction w/ smaller denominator has larger value; Same denominators: fraction w/ larger numerator has larger value
decimal
24. Reducing fractions
Distributive law: multiply by LCM of all denominators; treat numerator/denominator separately
square number
Middle value
Divide out largest common factor
25. Absolute value of number
greatest
associative property
1 dividing by number
Number w/o signs
26. Multiplying fractions
Reduce diagonally/vertically then multiply numerators and denominators
not equal
Multiply by power of 10 so divisor is integer; decimal point is above that in dividend
identity property
27. odd + even
compute
equation
odd
greatest
28. A fraction whose numerator is greater than its denominator
improper fraction
equal
equivalent
expression
29. Number divisible by 9
irrational numbers
Sum of digits divisible by 9
Multiply by 100%
denominator
30. Standard deviation: greater if...
Greater spread in values
distributive property
root numbers
equal
31. The answer to a multiplication problem
even number
Original whole +/- amount of change
odd number
product
32. Be identical or equivalent to
rational numbers
Last digit divisible by 2
equal
greatest common factor
33. To drop a percent
Divide by 100%
Sum of digits divisible by 9
constants
1 dividing by number
34. How much a number is worth
least common multiple
quotient
value
factor
35. Dividing fractions
repeating decimals
Multiply by power of 10 so divisor is integer; decimal point is above that in dividend
Invert second term - then multiply
(Amount of increase/original whole) x100%
36. The answer to an addition problem
sum
proportion
greatest
value
37. A whole number such as 1 - 3 - 5 and so on that cannot be evenly divisible by 2
Sum of digits divisible by 3
factor pair
Invert second term - then multiply
odd number
38. Two factors together that are multiplied to equal a larger number.
factor pair
Number w/o signs
fraction
equal
39. Comparing positive fractions
order of operations
rational numbers
associative property
Same numerators: fraction w/ smaller denominator has larger value; Same denominators: fraction w/ larger numerator has larger value
40. Dividing decimals
Multiply by power of 10 so divisor is integer; decimal point is above that in dividend
perfect square
root numbers
Sum of digits divisible by 9
41. Multiple-event probability
Probability for each event then multiply individual probabilities together
equation
greatest
Last two digits divisible by 4
42. A number that represents a part of a whole or a group; also means 'divided by' - E.g. 1/2 -3/4.5/6
distributive property
range
fraction
Line up decimal points
43. A comparison of 2 numbers; one form is a fraction
Number w/o signs
perfect square
composite number
ratio
44. A number that is multiplied by another number to find a producr
common denominator
factor
Original whole +/- amount of change
expression
45. PEMDAS - Parentheses - Exponents - Multiplication & Division (L to R) - Addition & Subtraction (L to R)
denominator
Add zeros to decimals until all decimals have same number of digits
order of operations
ratio
46. To make a percent
place value
equivalent
Multiply by 100%
divisible
47. 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?
numerator
fraction
distributive property
divisibility by 3 rule
48. 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)
commutative property
Divisible by 2 and 3
1 dividing by number
factor pair
49. A shortcut for writing repeated multiplication
Add zeros to decimals until all decimals have same number of digits
Reduce diagonally/vertically then multiply numerators and denominators
exponents
not equal
50. The value of a digit based on its position within a number - e.g. 2 -432 The position of the numbers
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
Drop percent - move decimal point two place to left
place value
(Amount of decrease/original whole) x100%