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. A set of operators - numbers - variables and grouping symbols; no equal sign
Multiply by power of 10 so divisor is integer; decimal point is above that in dividend
estimate
Total A/total B
expression

2. To change a percent to a decimal
least common multiple
commutative property
Drop percent - move decimal point two place to left
Last digit divisible by 2

3. A whole number such as 1 - 3 - 5 and so on that cannot be evenly divisible by 2
odd number
less than
Divide by 100%
Same numerators: fraction w/ smaller denominator has larger value; Same denominators: fraction w/ larger numerator has larger value

4. Percent x whole
numerator
Part
variables
compensation

5. Adding/subtracting decimals
greater than
Distributive law: multiply by LCM of all denominators; treat numerator/denominator separately
Line up decimal points
expanded form using exponents

6. Rational numbers that expressed in decimal format that have fixed number of digits. 1.5 etc.
greatest common factor
terminating decimals
odd
Multiply by power of 10 so divisor is integer; decimal point is above that in dividend

7. The smallest number that is a multiple of both numbers. (the LCM of 15 and 6 is 30)
Last two digits divisible by 4
least common multiple
estimate
common denominator

8. 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?
Multiply by 100%
quotient
Number of decimal places is total number of decimals places in factors multiplied
denominator

9. Multiple-event probability
even
Probability for each event then multiply individual probabilities together
least common multiple
numerator

10. 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
greatest common factor
Adding/subtracting 0 from number doesn't change number; number multiplied by 0 is 0; division by 0 undefined
Distributive law: multiply by LCM of all denominators; treat numerator/denominator separately
irrational numbers

11. 1/5 + 1/4=4/20 +5/20 and 20 is the...
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
common denominator
less than
quotient

12. A number with only two factors - one and itself - E.g. 3 -7 -11 -13 -17 -19...
Sum of digits divisible by 9
commutative property
product
prime number

13. The expression of a number as a product of prime factors; use a factor tree!
(Amount of decrease/original whole) x100%
place value
prime factorization
Drop percent - move decimal point two place to left

14. 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
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
divisible
even

15. Properties of 1 and -1

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

16. A letter that represents a value that may change
equation
identity property
Number w/o signs
variables

17. The answer to a multiplication problem
1 dividing by number
product
estimate
expanded form using exponents

18. Number divisible by 3
Sum of digits divisible by 3
improper fraction
mixed number
product

19. A number with more than two factors
difference
Number w/o signs
composite number
Sum of values/number of values

20. 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
inverse property
Value occurring most frequently
Probability for each event then multiply individual probabilities together
common denominator

21. When a number is larger than the other number. Example 65 > 56
Distributive law: multiply by LCM of all denominators; treat numerator/denominator separately
expression
whole number
greater than

22. Be identical or equivalent to
Add zeros to decimals until all decimals have same number of digits
equal
product
equivalent

23. Answer to a multiplication problem
product
Part
compensation
Last digit 0 or 5

24. Any whole number that ends with 0 - 2 - 4 - 6 - or 8 - any whole number that can be divided by 2
least
divisible
compensation
even number

25. A number without fractions; an integer- E.g. 0 - 1 - 2 - 3 - 4 - 5 - 6 - 7 - 8 - 9...
whole number
divisibility by 3 rule
Line up decimal points
distributive property

26. To perform a calculation - E.g. 2+2=4
common denominator
LCM is LCD
identity property
compute

27. 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)
prime factorization
commutative property
divisibility by 3 rule
Last digit divisible by 2

28. Reciprocal of number
composite number
square number
repeating decimals
1 dividing by number

29. Not identical or equivalent to
not equal
exponents
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
decimal

30. Number divisible by 2
Last digit divisible by 2
simplify
Number w/o signs
sum

31. Average A per B
Total A/total B
(Amount of decrease/original whole) x100%
associative property
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

32. A number with one or more digits to the right of the decimal point - E.g. .33
decimal
Middle value
Value occurring most frequently
Sum of values/number of values

33. Median
Middle value
range
less than
proportion

34. Number divisible by 9
Sum of digits divisible by 9
terminating decimals
quotient
Number w/o signs

35. The greatest whole number that is a factor of two or more nonzero whole numbers
greatest common factor
irrational numbers
equation
least common multiple

36. The largest number in a group of numbers
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
greatest
irrational numbers
Number of desired outcomes/number of total possible outcomes

37. Reducing fractions
Probability for each event then multiply individual probabilities together
1 dividing by number
Divide out largest common factor
Divisible by 2 and 3

38. The difference between the greatest and the least numbers in a set of data.
distributive property
range
equal
product

39. Number divisible by 5
estimate
compensation
composite number
Last digit 0 or 5

40. Multiplying fractions
improper fraction
Reduce diagonally/vertically then multiply numerators and denominators
expanded form using exponents
Last two digits divisible by 4

41. Dividing fractions
Invert second term - then multiply
Sum of digits divisible by 9
Number w/o signs
Multiply by 100%

42. 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)
Divide out largest common factor
associative property
difference
composite number

43. PEMDAS - Parentheses - Exponents - Multiplication & Division (L to R) - Addition & Subtraction (L to R)
Total A/total B
order of operations
greatest common factor
Divide out largest common factor

44. Numbers that are easy to compute mentally - E.g. 34 / 5 is close to 35 / 5
compatible numbers
simplify
Sum of digits divisible by 9
Part

45. A number written in expanded form with the place values written in exponential form - E.g. 2432=2000+400+30+2
rational numbers
expanded form using exponents
place value
variables

46. A comparison of 2 numbers; one form is a fraction
constants
ratio
simplify
inverse property

47. Adding/subtracting fractions
compute
difference
LCM is LCD
sum

48. A fraction out of 100 - %
distributive property
divisibility by 3 rule
perfect square
percent

49. To find the answer for; solve
greatest common factor
evaluate
prime factorization
quotient

50. Any of the symbols used to write numbers (0 - 1 - 2 - 3 - 4 - 5 - 6 - 7 - 8 - 9)
Number w/o signs
digit
(Amount of decrease/original whole) x100%
composite number