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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 5
Last digit 0 or 5
number line
constants
percent

2. In 4x4=16 - what is 4?
root numbers
Multiply by power of 10 so divisor is integer; decimal point is above that in dividend
numerator
Reduce diagonally/vertically then multiply numerators and denominators

3. Percent increase
distributive property
(Amount of increase/original whole) x100%
proportion
square number

4. Percent decrease
commutative property
rational numbers
Divisible by 2 and 3
(Amount of decrease/original whole) x100%

5. The greatest whole number that is a factor of two or more nonzero whole numbers
prime factorization
equation
distributive property
greatest common factor

6. Percent x whole
Reduce diagonally/vertically then multiply numerators and denominators
Part
Original whole +/- amount of change
Adding/subtracting 0 from number doesn't change number; number multiplied by 0 is 0; division by 0 undefined

7. Number divisible by 6
Value occurring most frequently
perfect square
Sum of values/number of values
Divisible by 2 and 3

8. Two numbers or expressions that mean the same thing - E.g. 2/3=4/6
least common multiple
root numbers
difference
equivalent

9. A number that results from multiplying a factor by itself
square number
Add zeros to decimals until all decimals have same number of digits
greatest
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

10. New whole
Original whole +/- amount of change
identity property
terminating decimals
numerator

11. Comparing positive fractions
percent
Same numerators: fraction w/ smaller denominator has larger value; Same denominators: fraction w/ larger numerator has larger value
place value
Divide out largest common factor

12. 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%
simplify
percent
place value

13. Dividing decimals
Multiply by power of 10 so divisor is integer; decimal point is above that in dividend
rational numbers
numerator
whole number

14. A number with more than two factors
Part
greatest
composite number
Multiply by 100%

15. Median
exponents
Line up decimal points
Middle value
product

16. 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?
Adding/subtracting 0 from number doesn't change number; number multiplied by 0 is 0; division by 0 undefined
Invert second term - then multiply
expression
numerator

17. To perform a calculation - E.g. 2+2=4
LCM is LCD
compute
expression
decimal

18. An equation showing 2 ratios are equal
Total A/total B
product
Probability for each event then multiply individual probabilities together
proportion

19. Natural Numbers - Whole Numbers - Integers - Rational Numbers
root numbers
fraction
factor pair
rational numbers

20. Adding/subtracting fractions
common denominator
terminating decimals
improper fraction
LCM is LCD

21. Two expressions that are set equal to each other; a number sentence with an equal sign
Invert second term - then multiply
Sum of values/number of values
equation
Divide out largest common factor

22. Two factors together that are multiplied to equal a larger number.
factor pair
greatest
whole number
Part

23. The smallest number that is a multiple of both numbers. (the LCM of 15 and 6 is 30)
rational numbers
equivalent
least common multiple
simplify

24. Relationship in which a number is smaller than another
Divide out largest common factor
Sum of digits divisible by 9
equal
less than

25. Number divisible by 2
Number of decimal places is total number of decimals places in factors multiplied
Last digit divisible by 2
percent
associative property

26. The smallest number in a group of numbers
difference
percent
least
digit

27. Comparing decimal fractions
denominator
Add zeros to decimals until all decimals have same number of digits
(Amount of decrease/original whole) x100%
identity property

28. A letter that represents a value that may change
identity property
Middle value
Invert second term - then multiply
variables

29. Multiple-event probability
difference
Probability for each event then multiply individual probabilities together
compatible 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

30. Not identical or equivalent to
even number
Sum of values/number of values
equivalent
not equal

31. Number divisible by 9
number line
Sum of digits divisible by 9
Value occurring most frequently
square number

32. The answer to a subtraction problem
prime number
difference
prime factorization
product

33. To find the answer for; solve
Part
evaluate
LCM is LCD
prime number

34. How much a number is worth
Last two digits divisible by 4
order of operations
divisibility by 3 rule
value

35. The largest number in a group of numbers
(Amount of decrease/original whole) x100%
Sum of digits divisible by 3
square number
greatest

36. odd + odd
even
Value occurring most frequently
associative property
least

37. A number with one or more digits to the right of the decimal point - E.g. .33
even
decimal
less than
associative property

38. The expression of a number as a product of prime factors; use a factor tree!
odd
Divisible by 2 and 3
Part
prime factorization

39. To drop a percent
Original whole +/- amount of change
Divide by 100%
odd number
divisible

40. Reciprocal of number
order of operations
1 dividing by number
constants
even

41. A whole number such as 1 - 3 - 5 and so on that cannot be evenly divisible by 2
number line
prime number
Last digit divisible by 2
odd number

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)
place value
Divide by 100%
commutative property
odd

43. A shortcut for writing repeated multiplication
common denominator
commutative property
Number of decimal places is total number of decimals places in factors multiplied
exponents

44. When a number is larger than the other number. Example 65 > 56
equivalent
product
Number w/o signs
greater than

45. Number divisible by 4
common denominator
denominator
Last two digits divisible by 4
Original whole +/- amount of change

46. The answer to a multiplication problem
less than
Sum of values/number of values
quotient
product

47. To make a percent
Same numerators: fraction w/ smaller denominator has larger value; Same denominators: fraction w/ larger numerator has larger value
Multiply by 100%
compensation
Drop percent - move decimal point two place to left

48. A number that represents a part of a whole or a group; also means 'divided by' - E.g. 1/2 -3/4.5/6
1 dividing by number
expanded form using exponents
Invert second term - then multiply
fraction

49. Properties of 1 and -1

50. The difference between the greatest and the least numbers in a set of data.
terminating decimals
range
Sum of values/number of values
factor