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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. 8x8=64 What is 64?
Middle value
greater than
perfect square
LCM is LCD
2. Number divisible by 6
Divisible by 2 and 3
root numbers
associative property
Number of desired outcomes/number of total possible outcomes
3. Add up the digits; if the sum is a multiple of 3 the number is divisible by 3
Greater spread in values
factor pair
divisibility by 3 rule
variables
4. Mode
Value occurring most frequently
Add zeros to decimals until all decimals have same number of digits
percent
least common multiple
5. To perform a calculation - E.g. 2+2=4
compute
greater than
equal
prime factorization
6. The largest number in a group of numbers
simplify
greatest
equation
odd
7. A value that does not change; any number
Reduce diagonally/vertically then multiply numerators and denominators
constants
product
Middle value
8. 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
identity property
Probability for each event then multiply individual probabilities together
ratio
percent
9. Probability
Number of desired outcomes/number of total possible outcomes
square number
product
factor pair
10. Absolute value of number
place value
Number w/o signs
expanded form using exponents
Multiply by 100%
11. New whole
number line
decimal
Original whole +/- amount of change
Multiply by power of 10 so divisor is integer; decimal point is above that in dividend
12. The answer to an addition problem
even number
sum
divisibility by 3 rule
Sum of digits divisible by 3
13. A number that results from multiplying a factor by itself
perfect square
place value
square number
compensation
14. To find a number that is close to an exact answer - E.g. 23+24 is around 50
1 dividing by number
product
estimate
variables
15. The expression of a number as a product of prime factors; use a factor tree!
prime factorization
rational numbers
commutative property
(Amount of decrease/original whole) x100%
16. A number with only two factors - one and itself - E.g. 3 -7 -11 -13 -17 -19...
proportion
Sum of values/number of values
prime number
ratio
17. A fraction out of 100 - %
ratio
Original whole +/- amount of change
percent
Total A/total B
18. To drop a percent
even number
compatible numbers
place value
Divide by 100%
19. Any of the symbols used to write numbers (0 - 1 - 2 - 3 - 4 - 5 - 6 - 7 - 8 - 9)
prime factorization
place value
expanded form using exponents
digit
20. The answer to a multiplication problem
even
terminating decimals
product
common denominator
21. Answer to a division problem
exponents
product
quotient
Reduce diagonally/vertically then multiply numerators and denominators
22. The answer to a subtraction problem
mixed number
distributive property
greater than
difference
23. To make a percent
perfect square
Multiply by 100%
square number
product
24. A number that is multiplied by another number to find a producr
factor
equal
equivalent
Last digit divisible by 2
25. The smallest number that is a multiple of both numbers. (the LCM of 15 and 6 is 30)
ratio
terminating decimals
least common multiple
Invert second term - then multiply
26. Percent x whole
identity property
Part
mixed number
evaluate
27. Average value
root numbers
prime number
Sum of values/number of values
equivalent
28. 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
Distributive law: multiply by LCM of all denominators; treat numerator/denominator separately
exponents
expanded form using exponents
inverse property
29. To change a percent to a decimal
Drop percent - move decimal point two place to left
compute
simplify
proportion
30. Two expressions that are set equal to each other; a number sentence with an equal sign
perfect square
prime factorization
equation
proportion
31. 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
Middle value
Number of decimal places is total number of decimals places in factors multiplied
1 dividing by number
32. An equation showing 2 ratios are equal
variables
product
even
proportion
33. To find the answer for; solve
evaluate
Multiply by 100%
repeating decimals
(Amount of decrease/original whole) x100%
34. A line for representing and graphing numbers. Each point on the line corresponds to a number.
place value
quotient
(Amount of decrease/original whole) x100%
number line
35. A fraction whose numerator is greater than its denominator
numerator
compatible numbers
LCM is LCD
improper fraction
36. A number with more than two factors
not equal
composite number
greatest common factor
order of operations
37. 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?
constants
numerator
compute
repeating decimals
38. When a number is larger than the other number. Example 65 > 56
least common multiple
compute
greater than
Last digit 0 or 5
39. The smallest number in a group of numbers
divisible
least
ratio
equal
40. Dividing fractions
Invert second term - then multiply
less than
digit
fraction
41. Properties of 1 and -1
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42. Not identical or equivalent to
compute
estimate
not equal
ratio
43. Natural Numbers - Whole Numbers - Integers - Rational Numbers
equal
rational numbers
constants
Total A/total B
44. Number divisible by 3
Sum of digits divisible by 3
Line up decimal points
Total A/total B
Divide by 100%
45. Comparing positive fractions
compensation
Same numerators: fraction w/ smaller denominator has larger value; Same denominators: fraction w/ larger numerator has larger value
Drop percent - move decimal point two place to left
even number
46. A set of operators - numbers - variables and grouping symbols; no equal sign
distributive property
rational numbers
expression
greatest common factor
47. Median
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
Reduce diagonally/vertically then multiply numerators and denominators
least common multiple
Middle value
48. Number divisible by 9
number line
Sum of digits divisible by 9
Number w/o signs
product
49. A number written in expanded form with the place values written in exponential form - E.g. 2432=2000+400+30+2
digit
expanded form using exponents
Divide out largest common factor
Greater spread in values
50. Properties of numbers btw -1 and 1
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