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Test your basic knowledge |
Number Sense Vocab
Start Test
Study First
Subjects
:
math
,
number-sense
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 number made up of a whole number and a fraction
Sum of digits divisible by 3
mixed number
even
not equal
2. odd + odd
distributive property
repeating decimals
Number of decimal places is total number of decimals places in factors multiplied
even
3. Natural Numbers - Whole Numbers - Integers - Rational Numbers
Value occurring most frequently
rational numbers
compatible numbers
Number of decimal places is total number of decimals places in factors multiplied
4. The value of a digit based on its position within a number - e.g. 2 -432 The position of the 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
place value
value
denominator
5. Properties of numbers btw -1 and 1
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6. A comparison of 2 numbers; one form is a fraction
ratio
Number of desired outcomes/number of total possible outcomes
Greater spread in values
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
7. Comparing positive fractions
Same numerators: fraction w/ smaller denominator has larger value; Same denominators: fraction w/ larger numerator has larger value
whole number
proportion
Add zeros to decimals until all decimals have same number of digits
8. Any whole number that ends with 0 - 2 - 4 - 6 - or 8 - any whole number that can be divided by 2
greatest common factor
even number
product
Last digit divisible by 2
9. A number without fractions; an integer- E.g. 0 - 1 - 2 - 3 - 4 - 5 - 6 - 7 - 8 - 9...
Line up decimal points
Multiply by power of 10 so divisor is integer; decimal point is above that in dividend
distributive property
whole number
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
associative property
irrational numbers
proportion
perfect square
11. Relationship in which a number is smaller than another
less than
Add zeros to decimals until all decimals have same number of digits
rational numbers
greatest
12. A set of operators - numbers - variables and grouping symbols; no equal sign
distributive property
odd
equal
expression
13. Add up the digits; if the sum is a multiple of 3 the number is divisible by 3
divisibility by 3 rule
Part
square number
associative property
14. A fraction out of 100 - %
estimate
percent
Value occurring most frequently
equivalent
15. 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)
Divide by 100%
commutative property
quotient
Original whole +/- amount of change
16. 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
Part
Total A/total B
inverse property
Probability for each event then multiply individual probabilities together
17. Number divisible by 5
Drop percent - move decimal point two place to left
Last digit 0 or 5
Multiply by power of 10 so divisor is integer; decimal point is above that in dividend
Last digit divisible by 2
18. The smallest number in a group of numbers
even number
least
irrational numbers
Value occurring most frequently
19. 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?
perfect square
(Amount of decrease/original whole) x100%
denominator
greatest common factor
20. Number divisible by 6
Divisible by 2 and 3
Add zeros to decimals until all decimals have same number of digits
constants
terminating decimals
21. Answer to a multiplication problem
Multiply by power of 10 so divisor is integer; decimal point is above that in dividend
place value
Number of desired outcomes/number of total possible outcomes
product
22. Be identical or equivalent to
equal
fraction
Last two digits divisible by 4
Multiply by 100%
23. In 4x4=16 - what is 4?
factor
place value
root numbers
prime number
24. Number divisible by 4
Last two digits divisible by 4
estimate
Greater spread in values
(Amount of increase/original whole) x100%
25. Reciprocal of number
1 dividing by number
distributive property
divisibility by 3 rule
Multiply by 100%
26. Mode
Value occurring most frequently
greater than
perfect square
Number of decimal places is total number of decimals places in factors multiplied
27. Standard deviation: greater if...
improper fraction
Number w/o signs
Greater spread in values
range
28. odd + even
root numbers
Adding/subtracting 0 from number doesn't change number; number multiplied by 0 is 0; division by 0 undefined
odd
even number
29. A number that represents a part of a whole or a group; also means 'divided by' - E.g. 1/2 -3/4.5/6
Original whole +/- amount of change
fraction
sum
even number
30. The answer to a multiplication problem
Drop percent - move decimal point two place to left
product
Probability for each event then multiply individual probabilities together
Invert second term - then multiply
31. Answer to a division problem
divisible
even number
prime number
quotient
32. To find a number that is close to an exact answer - E.g. 23+24 is around 50
proportion
estimate
common denominator
constants
33. A number with more than two factors
compatible numbers
product
composite number
compensation
34. New whole
Invert second term - then multiply
repeating decimals
Original whole +/- amount of change
even number
35. Dividing decimals
Multiply by power of 10 so divisor is integer; decimal point is above that in dividend
Same numerators: fraction w/ smaller denominator has larger value; Same denominators: fraction w/ larger numerator has larger value
factor
commutative property
36. 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)=
distributive property
commutative property
percent
digit
37. To perform a calculation - E.g. 2+2=4
compute
product
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
least common multiple
38. Multiplying fractions
commutative property
estimate
mixed number
Reduce diagonally/vertically then multiply numerators and denominators
39. 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
factor pair
Sum of digits divisible by 3
greatest common factor
identity property
40. The expression of a number as a product of prime factors; use a factor tree!
Total A/total B
terminating decimals
(Amount of decrease/original whole) x100%
prime factorization
41. A whole number such as 1 - 3 - 5 and so on that cannot be evenly divisible by 2
odd number
Last digit divisible by 2
less than
divisible
42. Two expressions that are set equal to each other; a number sentence with an equal sign
factor
even number
Reduce diagonally/vertically then multiply numerators and denominators
equation
43. A letter that represents a value that may change
even number
square number
variables
denominator
44. Adding/subtracting decimals
Line up decimal points
ratio
distributive property
equal
45. Rational numbers in decimal form that have a block of on or more digits that repeat continuously
inverse property
repeating decimals
Middle value
place value
46. Any of the symbols used to write numbers (0 - 1 - 2 - 3 - 4 - 5 - 6 - 7 - 8 - 9)
Adding/subtracting 0 from number doesn't change number; number multiplied by 0 is 0; division by 0 undefined
proportion
ratio
digit
47. The largest number in a group of numbers
compensation
ratio
greatest
Number w/o signs
48. How much a number is worth
value
simplify
estimate
square number
49. A shortcut for writing repeated multiplication
terminating decimals
exponents
Sum of digits divisible by 3
greatest
50. The answer to a subtraction problem
difference
greater than
Line up decimal points
Reduce diagonally/vertically then multiply numerators and denominators