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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 answer to a subtraction problem
difference
Total A/total B
common denominator
Middle value
2. A line for representing and graphing numbers. Each point on the line corresponds to a number.
number line
less than
distributive property
odd number
3. Mode
square number
compute
Greater spread in values
Value occurring most frequently
4. The difference between the greatest and the least numbers in a set of data.
range
factor pair
less than
expanded form using exponents
5. A whole number such as 1 - 3 - 5 and so on that cannot be evenly divisible by 2
odd number
Divide by 100%
greater than
exponents
6. 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)=
not equal
distributive property
Multiply by 100%
Greater spread in values
7. 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
expanded form using exponents
percent
greatest
8. The answer to a multiplication problem
associative property
product
numerator
equivalent
9. Two factors together that are multiplied to equal a larger number.
(Amount of increase/original whole) x100%
percent
factor pair
greatest
10. Probability
Number of desired outcomes/number of total possible outcomes
Divisible by 2 and 3
Number of decimal places is total number of decimals places in factors multiplied
Value occurring most frequently
11. Percent decrease
(Amount of decrease/original whole) x100%
expression
compute
root numbers
12. 1/5 + 1/4=4/20 +5/20 and 20 is the...
expanded form using exponents
common denominator
Last digit divisible by 2
Value occurring most frequently
13. Natural Numbers - Whole Numbers - Integers - Rational Numbers
Last digit divisible by 2
distributive property
rational numbers
Sum of digits divisible by 9
14. 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?
mixed number
terminating decimals
Original whole +/- amount of change
denominator
15. Answer to a multiplication problem
greatest common factor
percent
expression
product
16. To make a percent
simplify
equal
ratio
Multiply by 100%
17. Multiplying decimals
Number of decimal places is total number of decimals places in factors multiplied
compatible numbers
Drop percent - move decimal point two place to left
evaluate
18. Simplifying complex fractions: two methods
Reduce diagonally/vertically then multiply numerators and denominators
place value
Middle value
Distributive law: multiply by LCM of all denominators; treat numerator/denominator separately
19. Two expressions that are set equal to each other; a number sentence with an equal sign
equal
place value
equation
Total A/total B
20. Number divisible by 3
Same numerators: fraction w/ smaller denominator has larger value; Same denominators: fraction w/ larger numerator has larger value
Sum of digits divisible by 3
denominator
terminating decimals
21. 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)
identity property
factor
divisibility by 3 rule
commutative property
22. Cannot be expressed in the form a/b. Include square roots of whole numbers that are not perfect squares and non terminating decimals that do not repeat. pi
Divide by 100%
irrational numbers
square number
inverse property
23. Comparing positive fractions
Same numerators: fraction w/ smaller denominator has larger value; Same denominators: fraction w/ larger numerator has larger value
prime number
square number
decimal
24. 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
least common multiple
inverse property
Sum of digits divisible by 3
identity property
25. A number written in expanded form with the place values written in exponential form - E.g. 2432=2000+400+30+2
place value
Original whole +/- amount of change
associative property
expanded form using exponents
26. 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?
terminating decimals
numerator
greatest common factor
product
27. A property of real numbers that states that the sum or product of a set of numbers is the same - regardless of how the numbers are grouped - (a+b)+c=a+(b+c) - e.g. (1+2)+3=1+(2+3)
Last digit 0 or 5
compensation
associative property
numerator
28. Number divisible by 9
proportion
equal
Sum of digits divisible by 9
equation
29. The largest number in a group of numbers
greatest
Same numerators: fraction w/ smaller denominator has larger value; Same denominators: fraction w/ larger numerator has larger value
compensation
equivalent
30. Properties of 1 and -1
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31. Number divisible by 2
product
irrational numbers
Last digit divisible by 2
Multiply by power of 10 so divisor is integer; decimal point is above that in dividend
32. In 4x4=16 - what is 4?
proportion
expression
improper fraction
root numbers
33. Number divisible by 5
Number of decimal places is total number of decimals places in factors multiplied
place value
common denominator
Last digit 0 or 5
34. Percent increase
Divisible by 2 and 3
less than
Reduce diagonally/vertically then multiply numerators and denominators
(Amount of increase/original whole) x100%
35. Add up the digits; if the sum is a multiple of 3 the number is divisible by 3
divisibility by 3 rule
perfect square
Sum of values/number of values
Divide by 100%
36. To drop a percent
Sum of digits divisible by 9
Divide by 100%
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
difference
37. Adding/subtracting decimals
Probability for each event then multiply individual probabilities together
even
common denominator
Line up decimal points
38. Multiplying fractions
Reduce diagonally/vertically then multiply numerators and denominators
Drop percent - move decimal point two place to left
compute
estimate
39. New whole
perfect square
value
Value occurring most frequently
Original whole +/- amount of change
40. The greatest whole number that is a factor of two or more nonzero whole numbers
greatest common factor
equivalent
expression
compensation
41. 8x8=64 What is 64?
inverse property
perfect square
mixed number
improper fraction
42. A comparison of 2 numbers; one form is a fraction
ratio
perfect square
inverse property
compute
43. A number that results from multiplying a factor by itself
square number
digit
expanded form using exponents
simplify
44. To change a percent to a decimal
Drop percent - move decimal point two place to left
prime factorization
divisibility by 3 rule
Number w/o signs
45. 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
compute
expanded form using exponents
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
inverse property
46. A fraction out of 100 - %
prime factorization
square number
even
percent
47. Be identical or equivalent to
equal
equivalent
greatest
commutative property
48. Two numbers or expressions that mean the same thing - E.g. 2/3=4/6
prime factorization
equivalent
rational numbers
(Amount of decrease/original whole) x100%
49. Standard deviation: greater if...
Greater spread in values
Same numerators: fraction w/ smaller denominator has larger value; Same denominators: fraction w/ larger numerator has larger value
ratio
even
50. Average A per B
product
1 dividing by number
numerator
Total A/total B