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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. Number divisible by 4
Last two digits divisible by 4
least common multiple
divisibility by 3 rule
common denominator
2. odd + odd
even number
irrational numbers
Adding/subtracting 0 from number doesn't change number; number multiplied by 0 is 0; division by 0 undefined
even
3. Number divisible by 5
Last digit 0 or 5
sum
odd
Sum of values/number of values
4. Reducing fractions
Divide out largest common factor
prime number
identity property
greatest
5. Numbers that are easy to compute mentally - E.g. 34 / 5 is close to 35 / 5
compatible numbers
equation
odd
percent
6. The answer to a subtraction problem
Divide out largest common factor
difference
even
Adding/subtracting 0 from number doesn't change number; number multiplied by 0 is 0; division by 0 undefined
7. Dividing fractions
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
Invert second term - then multiply
factor
denominator
8. A number without fractions; an integer- E.g. 0 - 1 - 2 - 3 - 4 - 5 - 6 - 7 - 8 - 9...
whole number
Last digit 0 or 5
Multiply by power of 10 so divisor is integer; decimal point is above that in dividend
Part
9. Able to be divided evenly (without a remainder)
rational numbers
irrational numbers
divisible
simplify
10. Relationship in which a number is smaller than another
equal
product
less than
digit
11. To find the answer for; solve
order of operations
evaluate
constants
common denominator
12. A set of operators - numbers - variables and grouping symbols; no equal sign
number line
odd number
expression
numerator
13. Multiple-event probability
digit
Probability for each event then multiply individual probabilities together
Sum of digits divisible by 3
even number
14. A line for representing and graphing numbers. Each point on the line corresponds to a number.
identity property
divisibility by 3 rule
number line
commutative property
15. A fraction out of 100 - %
compatible numbers
product
percent
Add zeros to decimals until all decimals have same number of digits
16. Be identical or equivalent to
compatible numbers
odd
equal
whole number
17. A fraction whose numerator is greater than its denominator
Adding/subtracting 0 from number doesn't change number; number multiplied by 0 is 0; division by 0 undefined
improper fraction
Last two digits divisible by 4
(Amount of increase/original whole) x100%
18. Two numbers or expressions that mean the same thing - E.g. 2/3=4/6
divisibility by 3 rule
Original whole +/- amount of change
equivalent
root numbers
19. Two expressions that are set equal to each other; a number sentence with an equal sign
square number
prime number
Total A/total B
equation
20. Probability
rational numbers
Last digit 0 or 5
even number
Number of desired outcomes/number of total possible outcomes
21. Answer to a multiplication problem
product
(Amount of increase/original whole) x100%
rational numbers
Number of desired outcomes/number of total possible outcomes
22. A number with more than two factors
expression
composite number
Adding/subtracting 0 from number doesn't change number; number multiplied by 0 is 0; division by 0 undefined
Invert second term - then multiply
23. Add up the digits; if the sum is a multiple of 3 the number is divisible by 3
Divisible by 2 and 3
variables
factor pair
divisibility by 3 rule
24. Number divisible by 6
mixed number
commutative property
quotient
Divisible by 2 and 3
25. Dividing decimals
Multiply by power of 10 so divisor is integer; decimal point is above that in dividend
sum
Adding/subtracting 0 from number doesn't change number; number multiplied by 0 is 0; division by 0 undefined
equation
26. Standard deviation: greater if...
Greater spread in values
even number
Reduce diagonally/vertically then multiply numerators and denominators
compute
27. Natural Numbers - Whole Numbers - Integers - Rational Numbers
rational numbers
commutative property
Sum of digits divisible by 3
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
28. Answer to a division problem
terminating decimals
root numbers
quotient
expanded form using exponents
29. To drop a percent
Reduce diagonally/vertically then multiply numerators and denominators
Divide by 100%
fraction
Multiply by 100%
30. 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.
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
compensation
Invert second term - then multiply
(Amount of increase/original whole) x100%
31. Properties of 0
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32. Mode
mixed number
Value occurring most frequently
Adding/subtracting 0 from number doesn't change number; number multiplied by 0 is 0; division by 0 undefined
proportion
33. To find a number that is close to an exact answer - E.g. 23+24 is around 50
Invert second term - then multiply
estimate
mixed number
value
34. Any of the symbols used to write numbers (0 - 1 - 2 - 3 - 4 - 5 - 6 - 7 - 8 - 9)
least common multiple
digit
simplify
root numbers
35. Percent increase
place value
greater than
(Amount of increase/original whole) x100%
even
36. The largest number in a group of numbers
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
greatest
compute
Sum of values/number of values
37. A number with one or more digits to the right of the decimal point - E.g. .33
Sum of digits divisible by 9
Middle value
greatest
decimal
38. 1/5 + 1/4=4/20 +5/20 and 20 is the...
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
common denominator
Drop percent - move decimal point two place to left
39. A comparison of 2 numbers; one form is a fraction
Invert second term - then multiply
ratio
greatest common factor
Sum of digits divisible by 9
40. Not identical or equivalent to
Reduce diagonally/vertically then multiply numerators and denominators
estimate
not equal
Invert second term - then multiply
41. A shortcut for writing repeated multiplication
factor pair
exponents
least
evaluate
42. A number written in expanded form with the place values written in exponential form - E.g. 2432=2000+400+30+2
whole number
expanded form using exponents
Greater spread in values
terminating decimals
43. The answer to a multiplication problem
compatible numbers
product
(Amount of decrease/original whole) x100%
exponents
44. Average value
numerator
Sum of values/number of values
number line
whole number
45. Number divisible by 2
compute
Divide by 100%
Last digit divisible by 2
ratio
46. To make a percent
Number of decimal places is total number of decimals places in factors multiplied
Multiply by 100%
greater than
distributive property
47. odd + even
equation
odd
inverse property
LCM is LCD
48. 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)=
Multiply by power of 10 so divisor is integer; decimal point is above that in dividend
Number w/o signs
Last two digits divisible by 4
distributive property
49. Properties of 1 and -1
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50. Comparing decimal fractions
value
not equal
divisible
Add zeros to decimals until all decimals have same number of digits