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. Able to be divided evenly (without a remainder)
divisible
Total A/total B
commutative property
product

2. A number without fractions; an integer- E.g. 0 - 1 - 2 - 3 - 4 - 5 - 6 - 7 - 8 - 9...
whole number
least common multiple
ratio
root numbers

3. Reducing fractions
even
inverse property
Divide out largest common factor
terminating decimals

4. A number that results from multiplying a factor by itself
Middle value
square number
perfect square
denominator

5. Relationship in which a number is smaller than another
less than
number line
perfect square
Original whole +/- amount of change

6. New whole
least common multiple
LCM is LCD
Original whole +/- amount of change
expanded form using exponents

7. The difference between the greatest and the least numbers in a set of data.
prime factorization
percent
less than
range

8. 8x8=64 What is 64?
perfect square
not equal
Same numerators: fraction w/ smaller denominator has larger value; Same denominators: fraction w/ larger numerator has larger value
square number

9. The smallest number that is a multiple of both numbers. (the LCM of 15 and 6 is 30)
inverse property
least common multiple
Multiply by power of 10 so divisor is integer; decimal point is above that in dividend
terminating decimals

10. Numbers that are easy to compute mentally - E.g. 34 / 5 is close to 35 / 5
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
compatible numbers
proportion
LCM is LCD

11. Absolute value of number
Greater spread in values
place value
Number w/o signs
expression

12. Any whole number that ends with 0 - 2 - 4 - 6 - or 8 - any whole number that can be divided by 2
Number w/o signs
even number
associative property
equal

13. 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 digit divisible by 2
identity property
distributive property
factor pair

14. Simplifying complex fractions: two methods
whole number
prime factorization
Distributive law: multiply by LCM of all denominators; treat numerator/denominator separately
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

15. To place a fraction in lowest terms
square number
factor pair
Sum of digits divisible by 3
simplify

16. A number that is multiplied by another number to find a producr
factor
Total A/total B
Number of decimal places is total number of decimals places in factors multiplied
value

17. Adding/subtracting fractions
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
prime factorization
LCM is LCD
variables

18. A number with only two factors - one and itself - E.g. 3 -7 -11 -13 -17 -19...
numerator
product
improper fraction
prime number

19. The answer to an addition problem
exponents
odd number
sum
Add zeros to decimals until all decimals have same number of digits

20. Number divisible by 3
difference
Sum of digits divisible by 3
variables
even

21. Comparing positive fractions
square number
product
Middle value
Same numerators: fraction w/ smaller denominator has larger value; Same denominators: fraction w/ larger numerator has larger value

22. Add up the digits; if the sum is a multiple of 3 the number is divisible by 3
Last digit 0 or 5
divisibility by 3 rule
sum
Sum of digits divisible by 9

23. 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
order of operations
irrational numbers
fraction
(Amount of increase/original whole) x100%

24. A number made up of a whole number and a fraction
mixed number
compensation
Line up decimal points
(Amount of decrease/original whole) x100%

25. In 4x4=16 - what is 4?
Divisible by 2 and 3
odd number
inverse property
root numbers

26. Number divisible by 6
Divisible by 2 and 3
Sum of digits divisible by 3
Same numerators: fraction w/ smaller denominator has larger value; Same denominators: fraction w/ larger numerator has larger value
Total A/total B

27. PEMDAS - Parentheses - Exponents - Multiplication & Division (L to R) - Addition & Subtraction (L to R)
Reduce diagonally/vertically then multiply numerators and denominators
Sum of values/number of values
order of operations
rational numbers

28. Number divisible by 9
Sum of digits divisible by 9
whole number
(Amount of increase/original whole) x100%
sum

29. Properties of 0

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

30. 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?
odd
Divide by 100%
numerator
less than

31. 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
Probability for each event then multiply individual probabilities together
LCM is LCD
factor pair

32. Properties of 1 and -1

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

33. The largest number in a group of numbers
expanded form using exponents
Multiply by power of 10 so divisor is integer; decimal point is above that in dividend
greatest
Drop percent - move decimal point two place to left

34. To find the answer for; solve
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
range
Number w/o signs
evaluate

35. 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.
least common multiple
compensation
ratio
odd number

36. Mode
factor
rational numbers
Value occurring most frequently
ratio

37. The answer to a subtraction problem
Value occurring most frequently
numerator
Number w/o signs
difference

38. Dividing decimals
divisible
Multiply by power of 10 so divisor is integer; decimal point is above that in dividend
range
distributive property

39. To make a percent
Greater spread in values
least common multiple
Multiply by 100%
equal

40. A shortcut for writing repeated multiplication
exponents
Greater spread in values
digit
difference

41. A whole number such as 1 - 3 - 5 and so on that cannot be evenly divisible by 2
estimate
odd number
Add zeros to decimals until all decimals have same number of digits
quotient

42. 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)
Probability for each event then multiply individual probabilities together
commutative property
terminating decimals
Drop percent - move decimal point two place to left

43. A set of operators - numbers - variables and grouping symbols; no equal sign
variables
number line
(Amount of decrease/original whole) x100%
expression

44. Number divisible by 4
greater than
Number of decimal places is total number of decimals places in factors multiplied
even number
Last two digits divisible by 4

45. To change a percent to a decimal
Number of decimal places is total number of decimals places in factors multiplied
Drop percent - move decimal point two place to left
Sum of values/number of values
Distributive law: multiply by LCM of all denominators; treat numerator/denominator separately

46. A comparison of 2 numbers; one form is a fraction
whole number
ratio
exponents
Multiply by power of 10 so divisor is integer; decimal point is above that in dividend

47. When a number is larger than the other number. Example 65 > 56
odd number
mixed number
greater than
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

48. Percent decrease
digit
divisibility by 3 rule
(Amount of decrease/original whole) x100%
Divisible by 2 and 3

49. A number that represents a part of a whole or a group; also means 'divided by' - E.g. 1/2 -3/4.5/6
ratio
Divide by 100%
Sum of values/number of values
fraction

50. Dividing fractions
Last digit 0 or 5
greatest
Invert second term - then multiply
terminating decimals