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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. PEMDAS - Parentheses - Exponents - Multiplication & Division (L to R) - Addition & Subtraction (L to R)
Total A/total B
number line
order of operations
Sum of digits divisible by 9
2. The difference between the greatest and the least numbers in a set of data.
exponents
Line up decimal points
range
Original whole +/- amount of change
3. Two expressions that are set equal to each other; a number sentence with an equal sign
equation
equal
compatible numbers
Reduce diagonally/vertically then multiply numerators and denominators
4. Number divisible by 6
mixed number
expanded form using exponents
Divisible by 2 and 3
Add zeros to decimals until all decimals have same number of digits
5. Simplifying complex fractions: two methods
square number
Multiply by power of 10 so divisor is integer; decimal point is above that in dividend
Distributive law: multiply by LCM of all denominators; treat numerator/denominator separately
compatible numbers
6. In 4x4=16 - what is 4?
Sum of digits divisible by 9
root numbers
Value occurring most frequently
Last digit divisible by 2
7. Probability
Number of desired outcomes/number of total possible outcomes
expanded form using exponents
Divisible by 2 and 3
Reduce diagonally/vertically then multiply numerators and denominators
8. Numbers that are easy to compute mentally - E.g. 34 / 5 is close to 35 / 5
compatible numbers
whole number
greatest
Part
9. 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
identity property
rational numbers
equation
10. odd + odd
factor pair
Value occurring most frequently
ratio
even
11. To make a percent
simplify
Multiply by 100%
Sum of digits divisible by 3
identity property
12. Average value
percent
Sum of values/number of values
equal
value
13. The largest number in a group of numbers
place value
greatest
Adding/subtracting 0 from number doesn't change number; number multiplied by 0 is 0; division by 0 undefined
Divide out largest common factor
14. The greatest whole number that is a factor of two or more nonzero whole numbers
number line
product
greatest common factor
root numbers
15. Reciprocal of number
place value
equation
square number
1 dividing by number
16. A fraction whose numerator is greater than its denominator
Sum of digits divisible by 9
Multiply by power of 10 so divisor is integer; decimal point is above that in dividend
common denominator
improper fraction
17. Not identical or equivalent to
commutative property
equation
not equal
value
18. A number that is multiplied by another number to find a producr
least common multiple
mixed number
factor
1 dividing by number
19. Mode
fraction
Value occurring most frequently
place value
digit
20. Two factors together that are multiplied to equal a larger number.
denominator
square number
equivalent
factor pair
21. Rational numbers in decimal form that have a block of on or more digits that repeat continuously
repeating decimals
expanded form using exponents
LCM is LCD
Line up decimal points
22. Number divisible by 9
Middle value
expanded form using exponents
Sum of values/number of values
Sum of digits divisible by 9
23. The answer to an addition problem
simplify
composite number
expanded form using exponents
sum
24. Any whole number that ends with 0 - 2 - 4 - 6 - or 8 - any whole number that can be divided by 2
numerator
prime factorization
Original whole +/- amount of change
even number
25. A value that does not change; any number
(Amount of increase/original whole) x100%
constants
even number
prime factorization
26. How much a number is worth
divisibility by 3 rule
terminating decimals
value
compatible numbers
27. A number that results from multiplying a factor by itself
decimal
rational numbers
square number
ratio
28. New whole
Last digit 0 or 5
LCM is LCD
divisible
Original whole +/- amount of change
29. A line for representing and graphing numbers. Each point on the line corresponds to a number.
Line up decimal points
factor
estimate
number line
30. Adding/subtracting decimals
irrational numbers
Sum of values/number of values
Line up decimal points
variables
31. A number made up of a whole number and a fraction
greatest common factor
mixed number
Line up decimal points
irrational numbers
32. Any of the symbols used to write numbers (0 - 1 - 2 - 3 - 4 - 5 - 6 - 7 - 8 - 9)
improper fraction
digit
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
Add zeros to decimals until all decimals have same number of digits
33. Natural Numbers - Whole Numbers - Integers - Rational Numbers
prime factorization
rational numbers
sum
Greater spread in values
34. Number divisible by 4
Line up decimal points
Last two digits divisible by 4
Divisible by 2 and 3
exponents
35. A letter that represents a value that may change
variables
ratio
improper fraction
expression
36. To perform a calculation - E.g. 2+2=4
divisible
Divide out largest common factor
Original whole +/- amount of change
compute
37. Dividing decimals
Multiply by power of 10 so divisor is integer; decimal point is above that in dividend
improper fraction
Original whole +/- amount of change
Number w/o signs
38. The smallest number in a group of numbers
Drop percent - move decimal point two place to left
identity property
associative property
least
39. Number divisible by 2
Last digit divisible by 2
Probability for each event then multiply individual probabilities together
even number
Number w/o signs
40. 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
number line
(Amount of decrease/original whole) x100%
identity property
Number of decimal places is total number of decimals places in factors multiplied
41. 1/5 + 1/4=4/20 +5/20 and 20 is the...
common denominator
product
equation
divisible
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)=
greater than
product
Drop percent - move decimal point two place to left
distributive property
43. To change a percent to a decimal
Drop percent - move decimal point two place to left
compatible numbers
mixed number
1 dividing by number
44. Adding/subtracting fractions
Value occurring most frequently
identity property
LCM is LCD
even number
45. Multiplying decimals
Number of decimal places is total number of decimals places in factors multiplied
Divide out largest common factor
simplify
associative property
46. 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 w/o signs
Part
inverse property
equal
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?
Sum of digits divisible by 3
sum
Distributive law: multiply by LCM of all denominators; treat numerator/denominator separately
numerator
48. When a number is larger than the other number. Example 65 > 56
Sum of digits divisible by 3
greater than
number line
Number w/o signs
49. A number without fractions; an integer- E.g. 0 - 1 - 2 - 3 - 4 - 5 - 6 - 7 - 8 - 9...
simplify
associative property
difference
whole number
50. Properties of 0
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