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Number Sense Vocab

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. Number divisible by 3
order of operations
Sum of digits divisible by 3
greatest
Last digit divisible by 2

2. Two numbers or expressions that mean the same thing - E.g. 2/3=4/6
Last digit 0 or 5
sum
Total A/total B
equivalent

3. Average value
Sum of values/number of values
Sum of digits divisible by 3
repeating decimals
greatest

4. Number divisible by 5
Adding/subtracting 0 from number doesn't change number; number multiplied by 0 is 0; division by 0 undefined
(Amount of increase/original whole) x100%
Last digit 0 or 5
constants

5. 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?
product
even number
least common multiple
denominator

6. A whole number such as 1 - 3 - 5 and so on that cannot be evenly divisible by 2
odd number
Reduce diagonally/vertically then multiply numerators and denominators
evaluate
product

7. The largest number in a group of numbers
whole number
odd
percent
greatest

8. Rational numbers in decimal form that have a block of on or more digits that repeat continuously
Adding/subtracting 0 from number doesn't change number; number multiplied by 0 is 0; division by 0 undefined
simplify
repeating decimals
identity property

9. Percent increase
repeating decimals
expression
whole number
(Amount of increase/original whole) x100%

10. Two expressions that are set equal to each other; a number sentence with an equal sign
equation
equivalent
simplify
decimal

11. Two factors together that are multiplied to equal a larger number.
factor pair
Distributive law: multiply by LCM of all denominators; treat numerator/denominator separately
rational numbers
associative property

12. How much a number is worth
value
distributive property
associative property
commutative property

13. 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)
value
numerator
associative property
rational numbers

14. An equation showing 2 ratios are equal
order of operations
Same numerators: fraction w/ smaller denominator has larger value; Same denominators: fraction w/ larger numerator has larger value
associative property
proportion

15. The smallest number in a group of numbers
least
LCM is LCD
irrational numbers
Multiply by power of 10 so divisor is integer; decimal point is above that in dividend

16. Adding/subtracting fractions
LCM is LCD
number line
compute
less than

17. PEMDAS - Parentheses - Exponents - Multiplication & Division (L to R) - Addition & Subtraction (L to R)
1 dividing by number
square number
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
order of operations

18. Properties of 1 and -1

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19. Number divisible by 4
Last digit divisible by 2
decimal
Last two digits divisible by 4
exponents

20. Multiple-event probability
Middle value
Same numerators: fraction w/ smaller denominator has larger value; Same denominators: fraction w/ larger numerator has larger value
equivalent
Probability for each event then multiply individual probabilities together

21. 1/5 + 1/4=4/20 +5/20 and 20 is the...
Probability for each event then multiply individual probabilities together
common denominator
product
Number of desired outcomes/number of total possible outcomes

22. Able to be divided evenly (without a remainder)
divisible
greatest common factor
Sum of digits divisible by 3
Part

23. The answer to a multiplication problem
decimal
least common multiple
whole number
product

24. Multiplying decimals
Number of decimal places is total number of decimals places in factors multiplied
sum
expanded form using exponents
Part

25. The value of a digit based on its position within a number - e.g. 2 -432 The position of the numbers
compensation
inverse property
Same numerators: fraction w/ smaller denominator has larger value; Same denominators: fraction w/ larger numerator has larger value
place value

26. Multiplying fractions
Divide by 100%
Part
Reduce diagonally/vertically then multiply numerators and denominators
irrational numbers

27. A number without fractions; an integer- E.g. 0 - 1 - 2 - 3 - 4 - 5 - 6 - 7 - 8 - 9...
Sum of digits divisible by 3
Same numerators: fraction w/ smaller denominator has larger value; Same denominators: fraction w/ larger numerator has larger value
whole number
irrational numbers

28. To drop a percent
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
divisibility by 3 rule
Divide by 100%
Original whole +/- amount of change

29. A shortcut for writing repeated multiplication
exponents
Probability for each event then multiply individual probabilities together
improper fraction
number line

30. The smallest number that is a multiple of both numbers. (the LCM of 15 and 6 is 30)
1 dividing by number
Drop percent - move decimal point two place to left
even number
least common multiple

31. A number that results from multiplying a factor by itself
decimal
ratio
square number
greater than

32. Be identical or equivalent to
digit
quotient
Number w/o signs
equal

33. Relationship in which a number is smaller than another
place value
Number of desired outcomes/number of total possible outcomes
less than
Value occurring most frequently

34. Comparing decimal fractions
greatest
equivalent
Add zeros to decimals until all decimals have same number of digits
odd number

35. 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
identity property
even number
Drop percent - move decimal point two place to left

36. 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
Invert second term - then multiply
Reduce diagonally/vertically then multiply numerators and denominators
Drop percent - move decimal point two place to left
inverse property

37. A number with more than two factors
identity property
Number of desired outcomes/number of total possible outcomes
composite number
Adding/subtracting 0 from number doesn't change number; number multiplied by 0 is 0; division by 0 undefined

38. Properties of 0

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39. Percent decrease
expanded form using exponents
Add zeros to decimals until all decimals have same number of digits
factor pair
(Amount of decrease/original whole) x100%

40. Properties of numbers btw -1 and 1

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41. A set of operators - numbers - variables and grouping symbols; no equal sign
decimal
expression
greatest
Adding/subtracting 0 from number doesn't change number; number multiplied by 0 is 0; division by 0 undefined

42. Comparing positive fractions
root numbers
(Amount of increase/original whole) x100%
Same numerators: fraction w/ smaller denominator has larger value; Same denominators: fraction w/ larger numerator has larger value
value

43. The difference between the greatest and the least numbers in a set of data.
value
range
expanded form using exponents
compensation

44. A number written in expanded form with the place values written in exponential form - E.g. 2432=2000+400+30+2
expanded form using exponents
inverse property
proportion
expression

45. Adding/subtracting decimals
quotient
evaluate
Line up decimal points
Value occurring most frequently

46. To find the answer for; solve
value
not equal
Distributive law: multiply by LCM of all denominators; treat numerator/denominator separately
evaluate

47. 8x8=64 What is 64?
Part
common denominator
perfect square
range

48. Standard deviation: greater if...
expanded form using exponents
difference
Greater spread in values
simplify

49. Numbers that are easy to compute mentally - E.g. 34 / 5 is close to 35 / 5
Same numerators: fraction w/ smaller denominator has larger value; Same denominators: fraction w/ larger numerator has larger value
compatible numbers
digit
(Amount of decrease/original whole) x100%

50. Number divisible by 9
prime number
Greater spread in values
Sum of digits divisible by 9
equation