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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. Probability
number line
whole number
Number of desired outcomes/number of total possible outcomes
greatest common factor
2. Natural Numbers - Whole Numbers - Integers - Rational 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
Divide out largest common factor
rational numbers
Divide by 100%
3. Number divisible by 4
Last two digits divisible by 4
Multiply by 100%
terminating decimals
product
4. Relationship in which a number is smaller than another
constants
less than
Last two digits divisible by 4
Original whole +/- amount of change
5. A number that is multiplied by another number to find a producr
Middle value
Number w/o signs
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
factor
6. Properties of 0
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7. The answer to an addition problem
fraction
sum
Value occurring most frequently
compute
8. Number divisible by 9
Sum of digits divisible by 9
least common multiple
square number
LCM is LCD
9. Percent increase
LCM is LCD
compute
Part
(Amount of increase/original whole) x100%
10. A number with more than two factors
even
composite number
odd number
Middle value
11. 8x8=64 What is 64?
constants
divisibility by 3 rule
equivalent
perfect square
12. Number divisible by 6
Original whole +/- amount of change
Divisible by 2 and 3
root numbers
factor pair
13. Adding/subtracting fractions
divisibility by 3 rule
LCM is LCD
improper fraction
factor pair
14. Numbers that are easy to compute mentally - E.g. 34 / 5 is close to 35 / 5
fraction
whole number
equal
compatible numbers
15. The smallest number in a group of numbers
least
Invert second term - then multiply
odd
greater than
16. Average value
difference
Sum of values/number of values
Middle value
factor pair
17. A number with one or more digits to the right of the decimal point - E.g. .33
inverse property
equivalent
Divisible by 2 and 3
decimal
18. A shortcut for writing repeated multiplication
Sum of digits divisible by 3
terminating decimals
exponents
factor pair
19. Properties of numbers btw -1 and 1
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20. A number with only two factors - one and itself - E.g. 3 -7 -11 -13 -17 -19...
(Amount of decrease/original whole) x100%
distributive property
prime number
greatest common factor
21. Able to be divided evenly (without a remainder)
divisible
Value occurring most frequently
even
Divisible by 2 and 3
22. A fraction out of 100 - %
commutative property
percent
Sum of digits divisible by 3
Original whole +/- amount of change
23. odd + odd
Probability for each event then multiply individual probabilities together
commutative property
sum
even
24. Answer to a division problem
odd number
numerator
Last digit divisible by 2
quotient
25. odd + even
odd
improper fraction
Invert second term - then multiply
not equal
26. Any of the symbols used to write numbers (0 - 1 - 2 - 3 - 4 - 5 - 6 - 7 - 8 - 9)
Sum of digits divisible by 9
divisible
Part
digit
27. The expression of a number as a product of prime factors; use a factor tree!
prime factorization
numerator
terminating decimals
Sum of digits divisible by 9
28. A letter that represents a value that may change
variables
evaluate
decimal
expression
29. To make a percent
Last digit 0 or 5
compensation
LCM is LCD
Multiply by 100%
30. Multiple-event probability
irrational numbers
Total A/total B
Probability for each event then multiply individual probabilities together
Greater spread in values
31. The greatest whole number that is a factor of two or more nonzero whole numbers
percent
divisible
greatest common factor
Greater spread in values
32. To change a percent to a decimal
evaluate
product
Drop percent - move decimal point two place to left
even number
33. 1/5 + 1/4=4/20 +5/20 and 20 is the...
Add zeros to decimals until all decimals have same number of digits
odd
repeating decimals
common denominator
34. New whole
least common multiple
Sum of digits divisible by 3
irrational numbers
Original whole +/- amount of change
35. Average A per B
distributive property
exponents
Total A/total B
prime number
36. Median
Last two digits divisible by 4
equivalent
Middle value
product
37. Number divisible by 2
Last digit divisible by 2
Add zeros to decimals until all decimals have same number of digits
identity property
divisibility by 3 rule
38. Mode
Value occurring most frequently
Line up decimal points
equation
Last two digits divisible by 4
39. 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.
composite number
rational numbers
compensation
product
40. Dividing fractions
Number w/o signs
Invert second term - then multiply
Line up decimal points
associative property
41. To find a number that is close to an exact answer - E.g. 23+24 is around 50
Number of desired outcomes/number of total possible outcomes
equivalent
estimate
quotient
42. Multiplying fractions
evaluate
Multiply by 100%
Reduce diagonally/vertically then multiply numerators and denominators
prime number
43. The answer to a multiplication problem
quotient
range
product
least
44. Two numbers or expressions that mean the same thing - E.g. 2/3=4/6
value
LCM is LCD
square number
equivalent
45. 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)=
distributive property
product
Divide by 100%
Sum of digits divisible by 3
46. Reducing fractions
least
Divide out largest common factor
divisibility by 3 rule
equal
47. In 4x4=16 - what is 4?
root numbers
expression
Total A/total B
composite number
48. A number without fractions; an integer- E.g. 0 - 1 - 2 - 3 - 4 - 5 - 6 - 7 - 8 - 9...
rational 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
whole number
even
49. The smallest number that is a multiple of both numbers. (the LCM of 15 and 6 is 30)
distributive property
less than
least common multiple
Middle value
50. Any whole number that ends with 0 - 2 - 4 - 6 - or 8 - any whole number that can be divided by 2
estimate
simplify
even number
Part
Can you answer 50 questions in 15 minutes?
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