Test your basic knowledge |

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. The value of a digit based on its position within a number - e.g. 2 -432 The position of the numbers
place value
numerator
equation
even number

2. 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
place value
inverse property
even number
factor

3. Mode
prime factorization
Value occurring most frequently
Number of desired outcomes/number of total possible outcomes
improper fraction

4. Properties of numbers btw -1 and 1

Warning: Invalid argument supplied for foreach() in /var/www/html/basicversity.com/show_quiz.php on line 183

5. 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
value
proportion
greatest common factor

6. PEMDAS - Parentheses - Exponents - Multiplication & Division (L to R) - Addition & Subtraction (L to R)
(Amount of decrease/original whole) x100%
order of operations
Greater spread in values
Distributive law: multiply by LCM of all denominators; treat numerator/denominator separately

7. Properties of 0

Warning: Invalid argument supplied for foreach() in /var/www/html/basicversity.com/show_quiz.php on line 183

8. Any whole number that ends with 0 - 2 - 4 - 6 - or 8 - any whole number that can be divided by 2
proportion
estimate
even number
Adding/subtracting 0 from number doesn't change number; number multiplied by 0 is 0; division by 0 undefined

9. A number made up of a whole number and a fraction
mixed number
greatest
less than
factor pair

10. 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)=
Last two digits divisible by 4
even number
Number of decimal places is total number of decimals places in factors multiplied
distributive property

11. Rational numbers in decimal form that have a block of on or more digits that repeat continuously
repeating decimals
ratio
factor
Distributive law: multiply by LCM of all denominators; treat numerator/denominator separately

12. Average value
factor
equal
evaluate
Sum of values/number of values

13. A letter that represents a value that may change
variables
numerator
Number of decimal places is total number of decimals places in factors multiplied
compensation

14. Number divisible by 6
equivalent
irrational numbers
Invert second term - then multiply
Divisible by 2 and 3

15. The greatest whole number that is a factor of two or more nonzero whole numbers
Number w/o signs
place value
greatest common factor
sum

16. The expression of a number as a product of prime factors; use a factor tree!
compensation
Middle value
prime factorization
constants

17. Probability
simplify
compensation
Multiply by power of 10 so divisor is integer; decimal point is above that in dividend
Number of desired outcomes/number of total possible outcomes

18. Any of the symbols used to write numbers (0 - 1 - 2 - 3 - 4 - 5 - 6 - 7 - 8 - 9)
digit
rational numbers
even number
common denominator

19. When a number is larger than the other number. Example 65 > 56
Divide out largest common factor
Reduce diagonally/vertically then multiply numerators and denominators
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
greater than

20. Multiplying decimals
Number of decimal places is total number of decimals places in factors multiplied
greatest common factor
least common multiple
associative property

21. New whole
greatest
inverse property
Original whole +/- amount of change
identity property

22. To perform a calculation - E.g. 2+2=4
estimate
Number w/o signs
compute
greatest common factor

23. Simplifying complex fractions: two methods
Distributive law: multiply by LCM of all denominators; treat numerator/denominator separately
number line
simplify
perfect square

24. Two factors together that are multiplied to equal a larger number.
least
factor pair
Number of desired outcomes/number of total possible outcomes
divisibility by 3 rule

25. Answer to a multiplication problem
estimate
Part
product
1 dividing by number

26. 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)
greatest common factor
Last two digits divisible by 4
order of operations
commutative property

27. Adding/subtracting fractions
Drop percent - move decimal point two place to left
LCM is LCD
Multiply by 100%
least common multiple

28. odd + even
improper fraction
odd
Divisible by 2 and 3
divisibility by 3 rule

29. How much a number is worth
whole number
proportion
Drop percent - move decimal point two place to left
value

30. Number divisible by 3
quotient
Invert second term - then multiply
Sum of digits divisible by 3
denominator

31. Number divisible by 5
Sum of values/number of values
Last digit 0 or 5
expression
composite number

32. Natural Numbers - Whole Numbers - Integers - Rational Numbers
greatest common factor
Divide out largest common factor
rational numbers
compatible numbers

33. Numbers that are easy to compute mentally - E.g. 34 / 5 is close to 35 / 5
compatible numbers
improper fraction
number line
odd

34. Relationship in which a number is smaller than another
difference
odd number
square number
less than

35. Answer to a division problem
Sum of digits divisible by 3
decimal
greatest common factor
quotient

36. The answer to a subtraction problem
difference
Drop percent - move decimal point two place to left
greatest common factor
range

37. A number that represents a part of a whole or a group; also means 'divided by' - E.g. 1/2 -3/4.5/6
Number of desired outcomes/number of total possible outcomes
fraction
less than
Last digit divisible by 2

38. Two expressions that are set equal to each other; a number sentence with an equal sign
compatible numbers
equation
Value occurring most frequently
Add zeros to decimals until all decimals have same number of digits

39. Multiple-event probability
difference
Probability for each event then multiply individual probabilities together
(Amount of decrease/original whole) x100%
Same numerators: fraction w/ smaller denominator has larger value; Same denominators: fraction w/ larger numerator has larger value

40. Percent increase
(Amount of increase/original whole) x100%
estimate
digit
exponents

41. A number with more than two factors
prime number
Multiply by 100%
composite number
Adding/subtracting 0 from number doesn't change number; number multiplied by 0 is 0; division by 0 undefined

42. A comparison of 2 numbers; one form is a fraction
rational numbers
ratio
even number
greatest

43. To find the answer for; solve
evaluate
Multiply by 100%
product
rational numbers

44. A fraction out of 100 - %
(Amount of decrease/original whole) x100%
percent
variables
Drop percent - move decimal point two place to left

45. The answer to a multiplication problem
number line
product
Sum of digits divisible by 3
distributive property

46. To change a percent to a decimal
compute
least
Drop percent - move decimal point two place to left
Sum of digits divisible by 9

47. A whole number such as 1 - 3 - 5 and so on that cannot be evenly divisible by 2
percent
place value
digit
odd number

48. Average A per B
Total A/total B
terminating decimals
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

49. Comparing positive fractions
Same numerators: fraction w/ smaller denominator has larger value; Same denominators: fraction w/ larger numerator has larger value
evaluate
value
factor

50. The largest number in a group of numbers
not equal
greatest
least common multiple
greatest common factor