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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. Multiplying decimals
number line
identity property
improper fraction
Number of decimal places is total number of decimals places in factors multiplied
2. Number divisible by 9
difference
Value occurring most frequently
constants
Sum of digits divisible by 9
3. Properties of numbers btw -1 and 1
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4. 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
Sum of digits divisible by 9
order of operations
identity property
estimate
5. Multiplying fractions
Line up decimal points
LCM is LCD
expanded form using exponents
Reduce diagonally/vertically then multiply numerators and denominators
6. A fraction out of 100 - %
percent
root numbers
divisible
equation
7. To place a fraction in lowest terms
simplify
equivalent
Probability for each event then multiply individual probabilities together
(Amount of increase/original whole) x100%
8. Dividing decimals
Multiply by 100%
improper fraction
prime number
Multiply by power of 10 so divisor is integer; decimal point is above that in dividend
9. 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)
associative property
factor
expression
Number of decimal places is total number of decimals places in factors multiplied
10. A number without fractions; an integer- E.g. 0 - 1 - 2 - 3 - 4 - 5 - 6 - 7 - 8 - 9...
Part
sum
whole number
rational numbers
11. To perform a calculation - E.g. 2+2=4
range
compute
Number w/o signs
constants
12. Be identical or equivalent to
Number w/o signs
exponents
equal
rational numbers
13. To find a number that is close to an exact answer - E.g. 23+24 is around 50
difference
estimate
constants
numerator
14. The answer to a multiplication problem
prime number
product
terminating decimals
root numbers
15. Percent x whole
Probability for each event then multiply individual probabilities together
Part
fraction
denominator
16. A number with one or more digits to the right of the decimal point - E.g. .33
common denominator
odd number
decimal
rational numbers
17. Dividing fractions
Invert second term - then multiply
quotient
range
Add zeros to decimals until all decimals have same number of digits
18. The value of a digit based on its position within a number - e.g. 2 -432 The position of the numbers
(Amount of increase/original whole) x100%
LCM is LCD
place value
Number of desired outcomes/number of total possible outcomes
19. Standard deviation: greater if...
Greater spread in values
equivalent
Add zeros to decimals until all decimals have same number of digits
divisibility by 3 rule
20. The answer to a subtraction problem
compensation
Value occurring most frequently
denominator
difference
21. Any whole number that ends with 0 - 2 - 4 - 6 - or 8 - any whole number that can be divided by 2
equivalent
inverse property
prime factorization
even number
22. Add up the digits; if the sum is a multiple of 3 the number is divisible by 3
product
value
Last digit divisible by 2
divisibility by 3 rule
23. Properties of 1 and -1
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24. A number that represents a part of a whole or a group; also means 'divided by' - E.g. 1/2 -3/4.5/6
divisibility by 3 rule
Add zeros to decimals until all decimals have same number of digits
fraction
estimate
25. The expression of a number as a product of prime factors; use a factor tree!
value
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
divisibility by 3 rule
prime factorization
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?
ratio
Divide by 100%
divisible
numerator
27. Able to be divided evenly (without a remainder)
estimate
divisibility by 3 rule
divisible
inverse property
28. A comparison of 2 numbers; one form is a fraction
inverse property
Multiply by power of 10 so divisor is integer; decimal point is above that in dividend
rational numbers
ratio
29. Absolute value of number
factor pair
Last two digits divisible by 4
rational numbers
Number w/o signs
30. PEMDAS - Parentheses - Exponents - Multiplication & Division (L to R) - Addition & Subtraction (L to R)
identity property
whole number
order of operations
Sum of digits divisible by 9
31. A number made up of a whole number and a fraction
mixed number
Number of decimal places is total number of decimals places in factors multiplied
associative property
equation
32. A value that does not change; any number
whole number
Original whole +/- amount of change
constants
terminating decimals
33. To make a percent
estimate
root numbers
Multiply by 100%
greatest
34. To drop a percent
associative property
Divide by 100%
Last digit divisible by 2
equal
35. A number that results from multiplying a factor by itself
composite number
square number
product
Number of desired outcomes/number of total possible outcomes
36. Numbers that are easy to compute mentally - E.g. 34 / 5 is close to 35 / 5
proportion
improper fraction
compatible numbers
Reduce diagonally/vertically then multiply numerators and denominators
37. The largest number in a group of numbers
greatest
difference
fraction
sum
38. Comparing positive fractions
1 dividing by number
equation
Value occurring most frequently
Same numerators: fraction w/ smaller denominator has larger value; Same denominators: fraction w/ larger numerator has larger value
39. A number written in expanded form with the place values written in exponential form - E.g. 2432=2000+400+30+2
digit
terminating decimals
Value occurring most frequently
expanded form using exponents
40. The difference between the greatest and the least numbers in a set of data.
Invert second term - then multiply
range
Middle value
not equal
41. Not identical or equivalent to
not equal
Part
even number
Last digit divisible by 2
42. A letter that represents a value that may change
Divisible by 2 and 3
LCM is LCD
product
variables
43. A set of operators - numbers - variables and grouping symbols; no equal sign
Middle value
expression
improper fraction
not equal
44. A line for representing and graphing numbers. Each point on the line corresponds to a number.
Reduce diagonally/vertically then multiply numerators and denominators
number line
greater than
order of operations
45. Number divisible by 3
ratio
Sum of digits divisible by 3
variables
fraction
46. Properties of 0
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47. Mode
irrational numbers
Value occurring most frequently
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
common denominator
48. The answer to an addition problem
Divide out largest common factor
factor pair
sum
Total A/total B
49. Percent decrease
commutative property
(Amount of decrease/original whole) x100%
Adding/subtracting 0 from number doesn't change number; number multiplied by 0 is 0; division by 0 undefined
even
50. 8x8=64 What is 64?
fraction
perfect square
quotient
associative property