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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. 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
Line up decimal points
range
Multiply by 100%
2. Rational numbers that expressed in decimal format that have fixed number of digits. 1.5 etc.
rational numbers
number line
commutative property
terminating decimals
3. A number that results from multiplying a factor by itself
mixed number
improper fraction
square number
Greater spread in values
4. New whole
Original whole +/- amount of change
expanded form using exponents
value
not equal
5. Adding/subtracting decimals
Line up decimal points
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
numerator
percent
6. A number made up of a whole number and a fraction
mixed number
constants
number line
expression
7. The largest number in a group of numbers
greatest
sum
ratio
Adding/subtracting 0 from number doesn't change number; number multiplied by 0 is 0; division by 0 undefined
8. Any whole number that ends with 0 - 2 - 4 - 6 - or 8 - any whole number that can be divided by 2
mixed number
exponents
even number
estimate
9. Properties of 0
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10. Percent increase
factor
value
(Amount of increase/original whole) x100%
Distributive law: multiply by LCM of all denominators; treat numerator/denominator separately
11. Average value
Sum of values/number of values
Value occurring most frequently
(Amount of increase/original whole) x100%
greater than
12. 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
root numbers
improper fraction
sum
13. Number divisible by 2
Value occurring most frequently
Last digit 0 or 5
evaluate
Last digit divisible by 2
14. To drop a percent
commutative property
Part
Last digit divisible by 2
Divide by 100%
15. In 4x4=16 - what is 4?
Value occurring most frequently
odd
Line up decimal points
root numbers
16. To place a fraction in lowest terms
simplify
place value
(Amount of decrease/original whole) x100%
Greater spread in values
17. 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
factor
estimate
(Amount of increase/original whole) x100%
18. 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
prime number
Number w/o signs
quotient
19. A set of operators - numbers - variables and grouping symbols; no equal sign
constants
expression
prime factorization
exponents
20. To perform a calculation - E.g. 2+2=4
perfect square
Number of decimal places is total number of decimals places in factors multiplied
factor pair
compute
21. Median
greatest
Middle value
Last digit divisible by 2
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
22. Mode
divisibility by 3 rule
Value occurring most frequently
Sum of values/number of values
Adding/subtracting 0 from number doesn't change number; number multiplied by 0 is 0; division by 0 undefined
23. Any of the symbols used to write numbers (0 - 1 - 2 - 3 - 4 - 5 - 6 - 7 - 8 - 9)
factor pair
digit
factor
Divide by 100%
24. The value of a digit based on its position within a number - e.g. 2 -432 The position of the numbers
place value
1 dividing by number
Sum of values/number of values
Invert second term - then multiply
25. The answer to a subtraction problem
difference
least
prime factorization
order of operations
26. Comparing decimal fractions
Add zeros to decimals until all decimals have same number of digits
irrational numbers
odd number
common denominator
27. The answer to an addition problem
value
mixed number
product
sum
28. Multiple-event probability
identity property
Divide by 100%
improper fraction
Probability for each event then multiply individual probabilities together
29. Rational numbers in decimal form that have a block of on or more digits that repeat continuously
Middle value
Sum of digits divisible by 9
whole number
repeating decimals
30. A value that does not change; any number
constants
odd number
compensation
Same numerators: fraction w/ smaller denominator has larger value; Same denominators: fraction w/ larger numerator has larger value
31. 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
inverse property
variables
constants
perfect square
32. Multiplying decimals
Number of decimal places is total number of decimals places in factors multiplied
Probability for each event then multiply individual probabilities together
least
Number of desired outcomes/number of total possible outcomes
33. The difference between the greatest and the least numbers in a set of data.
ratio
sum
greater than
range
34. The answer to a multiplication problem
product
odd number
fraction
greatest
35. A fraction whose numerator is greater than its denominator
greater than
Greater spread in values
improper fraction
whole number
36. Add up the digits; if the sum is a multiple of 3 the number is divisible by 3
odd number
improper fraction
divisibility by 3 rule
perfect square
37. Two factors together that are multiplied to equal a larger number.
repeating decimals
factor pair
least
Drop percent - move decimal point two place to left
38. 8x8=64 What is 64?
perfect square
quotient
even
proportion
39. Dividing fractions
Invert second term - then multiply
estimate
variables
(Amount of increase/original whole) x100%
40. A number with only two factors - one and itself - E.g. 3 -7 -11 -13 -17 -19...
variables
perfect square
quotient
prime number
41. A number written in expanded form with the place values written in exponential form - E.g. 2432=2000+400+30+2
Sum of digits divisible by 9
expanded form using exponents
compatible numbers
Sum of values/number of values
42. Not identical or equivalent to
not equal
distributive property
sum
decimal
43. 1/5 + 1/4=4/20 +5/20 and 20 is the...
common denominator
Add zeros to decimals until all decimals have same number of digits
Greater spread in values
simplify
44. Able to be divided evenly (without a remainder)
range
improper fraction
evaluate
divisible
45. Multiplying fractions
equation
least common multiple
Reduce diagonally/vertically then multiply numerators and denominators
odd
46. odd + even
range
prime factorization
odd
Total A/total B
47. Number divisible by 4
Last two digits divisible by 4
exponents
associative property
Sum of digits divisible by 9
48. A whole number such as 1 - 3 - 5 and so on that cannot be evenly divisible by 2
greater than
Adding/subtracting 0 from number doesn't change number; number multiplied by 0 is 0; division by 0 undefined
odd number
common denominator
49. Comparing positive fractions
difference
Divide out largest common factor
Same numerators: fraction w/ smaller denominator has larger value; Same denominators: fraction w/ larger numerator has larger value
proportion
50. 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
factor pair
square number
fraction