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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
distributive property
odd
Last digit 0 or 5
Number of desired outcomes/number of total possible outcomes

2. 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
greater than
digit
even number

3. Dividing fractions
irrational numbers
Invert second term - then multiply
composite number
repeating decimals

4. Properties of 0

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5. 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)
associative property
greater than
Divide by 100%
divisible

6. To find a number that is close to an exact answer - E.g. 23+24 is around 50
equal
estimate
product
decimal

7. To find the answer for; solve
order of operations
Sum of digits divisible by 3
evaluate
Multiply by power of 10 so divisor is integer; decimal point is above that in dividend

8. Properties of 1 and -1

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9. A fraction whose numerator is greater than its denominator
improper fraction
greatest common factor
product
difference

10. Rational numbers in decimal form that have a block of on or more digits that repeat continuously
Sum of values/number of values
repeating decimals
compensation
even number

11. Natural Numbers - Whole Numbers - Integers - Rational Numbers
Adding/subtracting 0 from number doesn't change number; number multiplied by 0 is 0; division by 0 undefined
greatest
ratio
rational numbers

12. A comparison of 2 numbers; one form is a fraction
Distributive law: multiply by LCM of all denominators; treat numerator/denominator separately
product
ratio
(Amount of increase/original whole) x100%

13. Answer to a multiplication problem
repeating decimals
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
product
least

14. The smallest number that is a multiple of both numbers. (the LCM of 15 and 6 is 30)
least common multiple
Number of decimal places is total number of decimals places in factors multiplied
Multiply by 100%
exponents

15. A value that does not change; any number
Distributive law: multiply by LCM of all denominators; treat numerator/denominator separately
decimal
Divide by 100%
constants

16. Comparing decimal fractions
mixed number
value
Add zeros to decimals until all decimals have same number of digits
expression

17. Adding/subtracting decimals
compatible numbers
Sum of digits divisible by 9
Line up decimal points
Add zeros to decimals until all decimals have same number of digits

18. A number made up of a whole number and a fraction
Last digit 0 or 5
Last digit divisible by 2
mixed number
constants

19. When you add 0 to a number - or mulltiply a number by 1 - the result is the same number - e.g. Identity Property of Multiplication: 21x1=1x21=21 or 300x 1 = 300
mixed number
Drop percent - move decimal point two place to left
Reduce diagonally/vertically then multiply numerators and denominators
identity property

20. Number divisible by 4
quotient
Last two digits divisible by 4
denominator
Sum of values/number of values

21. A shortcut for writing repeated multiplication
exponents
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
number line
value

22. Number divisible by 9
(Amount of increase/original whole) x100%
LCM is LCD
Line up decimal points
Sum of digits divisible by 9

23. Reciprocal of number
1 dividing by number
repeating decimals
compatible numbers
inverse property

24. A number that results from multiplying a factor by itself
ratio
square number
Reduce diagonally/vertically then multiply numerators and denominators
Value occurring most frequently

25. The answer to a multiplication problem
Number w/o signs
Total A/total B
product
Number of decimal places is total number of decimals places in factors multiplied

26. To place a fraction in lowest terms
simplify
Value occurring most frequently
identity property
Number w/o signs

27. 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
fraction
Sum of values/number of values
distributive property
inverse property

28. Percent increase
odd
compute
proportion
(Amount of increase/original whole) x100%

29. A number with more than two factors
mixed number
prime factorization
composite number
even number

30. In 4x4=16 - what is 4?
digit
root numbers
variables
Number of desired outcomes/number of total possible outcomes

31. To drop a percent
Divide by 100%
equation
prime factorization
Probability for each event then multiply individual probabilities together

32. Dividing decimals
divisibility by 3 rule
Multiply by power of 10 so divisor is integer; decimal point is above that in dividend
product
Sum of digits divisible by 9

33. Percent decrease
factor
difference
not equal
(Amount of decrease/original whole) x100%

34. odd + even
Divisible by 2 and 3
Greater spread in values
odd
number line

35. Number divisible by 3
variables
equivalent
Sum of digits divisible by 3
difference

36. Percent x whole
Part
simplify
Number w/o signs
value

37. 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?
denominator
exponents
identity property
decimal

38. A fraction out of 100 - %
Divide out largest common factor
rational numbers
simplify
percent

39. Probability
fraction
Number of desired outcomes/number of total possible outcomes
odd
evaluate

40. Multiplying decimals
value
divisibility by 3 rule
Number of decimal places is total number of decimals places in factors multiplied
denominator

41. Absolute value of number
Sum of digits divisible by 3
Divide out largest common factor
Number w/o signs
irrational numbers

42. Simplifying complex fractions: two methods
less than
Distributive law: multiply by LCM of all denominators; treat numerator/denominator separately
LCM is LCD
least common multiple

43. Two numbers or expressions that mean the same thing - E.g. 2/3=4/6
Divide out largest common factor
whole number
proportion
equivalent

44. The value of a digit based on its position within a number - e.g. 2 -432 The position of the numbers
value
compatible numbers
less than
place value

45. Any of the symbols used to write numbers (0 - 1 - 2 - 3 - 4 - 5 - 6 - 7 - 8 - 9)
whole number
Divisible by 2 and 3
least common multiple
digit

46. The difference between the greatest and the least numbers in a set of data.
Multiply by power of 10 so divisor is integer; decimal point is above that in dividend
LCM is LCD
number line
range

47. A number with only two factors - one and itself - E.g. 3 -7 -11 -13 -17 -19...
product
inverse property
ratio
prime number

48. The answer to an addition problem
compensation
Number of decimal places is total number of decimals places in factors multiplied
fraction
sum

49. Number divisible by 6
least
Divide by 100%
Divisible by 2 and 3
composite number

50. 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?
difference
root numbers
even
numerator