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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. Adding/subtracting decimals
perfect square
Line up decimal points
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
Drop percent - move decimal point two place to left
2. A letter that represents a value that may change
variables
equivalent
rational numbers
Number w/o signs
3. Any of the symbols used to write numbers (0 - 1 - 2 - 3 - 4 - 5 - 6 - 7 - 8 - 9)
digit
compatible numbers
estimate
rational numbers
4. Rational numbers in decimal form that have a block of on or more digits that repeat continuously
repeating decimals
Line up decimal points
compatible numbers
divisible
5. A number that is multiplied by another number to find a producr
Adding/subtracting 0 from number doesn't change number; number multiplied by 0 is 0; division by 0 undefined
factor
distributive property
whole number
6. An equation showing 2 ratios are equal
proportion
Reduce diagonally/vertically then multiply numerators and denominators
mixed number
even number
7. To find a number that is close to an exact answer - E.g. 23+24 is around 50
Same numerators: fraction w/ smaller denominator has larger value; Same denominators: fraction w/ larger numerator has larger value
sum
Probability for each event then multiply individual probabilities together
estimate
8. The answer to a multiplication problem
digit
Divisible by 2 and 3
Add zeros to decimals until all decimals have same number of digits
product
9. 8x8=64 What is 64?
perfect square
Add zeros to decimals until all decimals have same number of digits
(Amount of increase/original whole) x100%
Last digit divisible by 2
10. A number without fractions; an integer- E.g. 0 - 1 - 2 - 3 - 4 - 5 - 6 - 7 - 8 - 9...
less than
whole number
digit
exponents
11. Simplifying complex fractions: two methods
decimal
Distributive law: multiply by LCM of all denominators; treat numerator/denominator separately
equal
even number
12. A number that represents a part of a whole or a group; also means 'divided by' - E.g. 1/2 -3/4.5/6
fraction
sum
place value
Last digit 0 or 5
13. The answer to a subtraction problem
Sum of digits divisible by 9
Number w/o signs
difference
irrational numbers
14. Average value
Sum of values/number of values
odd
(Amount of decrease/original whole) x100%
Last two digits divisible by 4
15. Be identical or equivalent to
(Amount of decrease/original whole) x100%
equal
Add zeros to decimals until all decimals have same number of digits
Last digit divisible by 2
16. Number divisible by 9
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
Last digit divisible by 2
Sum of digits divisible by 9
17. To find the answer for; solve
compensation
evaluate
Drop percent - move decimal point two place to left
value
18. Dividing decimals
Invert second term - then multiply
Multiply by power of 10 so divisor is integer; decimal point is above that in dividend
identity property
Last digit divisible by 2
19. 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
distributive property
rational numbers
irrational numbers
Adding/subtracting 0 from number doesn't change number; number multiplied by 0 is 0; division by 0 undefined
20. Able to be divided evenly (without a remainder)
evaluate
divisible
(Amount of decrease/original whole) x100%
equivalent
21. To make a percent
prime factorization
Number of desired outcomes/number of total possible outcomes
Multiply by 100%
identity property
22. The largest number in a group of numbers
greatest
expression
Greater spread in values
equivalent
23. 1/5 + 1/4=4/20 +5/20 and 20 is the...
Sum of digits divisible by 9
Part
Sum of digits divisible by 3
common denominator
24. Average A per B
Total A/total B
decimal
product
Last digit divisible by 2
25. Number divisible by 6
place value
(Amount of decrease/original whole) x100%
Divisible by 2 and 3
factor
26. A number with more than two factors
Sum of values/number of values
terminating decimals
factor pair
composite number
27. 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?
common denominator
terminating decimals
Divide out largest common factor
denominator
28. A comparison of 2 numbers; one form is a fraction
factor pair
rational numbers
ratio
place value
29. 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
greatest
inverse property
factor
number line
30. Dividing fractions
even
associative property
Invert second term - then multiply
estimate
31. Percent increase
even number
(Amount of increase/original whole) x100%
common denominator
factor
32. Natural Numbers - Whole Numbers - Integers - Rational Numbers
expanded form using exponents
order of operations
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
rational numbers
33. A value that does not change; any number
sum
constants
evaluate
improper fraction
34. Reciprocal of number
1 dividing by number
odd
Add zeros to decimals until all decimals have same number of digits
difference
35. To perform a calculation - E.g. 2+2=4
place value
improper fraction
compute
Original whole +/- amount of change
36. Properties of numbers btw -1 and 1
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37. Multiple-event probability
Probability for each event then multiply individual probabilities together
Number of desired outcomes/number of total possible outcomes
commutative property
quotient
38. Any whole number that ends with 0 - 2 - 4 - 6 - or 8 - any whole number that can be divided by 2
exponents
greatest
even number
Middle value
39. Median
Middle value
factor
quotient
simplify
40. A fraction out of 100 - %
percent
equivalent
equal
denominator
41. Two numbers or expressions that mean the same thing - E.g. 2/3=4/6
Original whole +/- amount of change
(Amount of decrease/original whole) x100%
equivalent
even
42. Relationship in which a number is smaller than another
less than
odd number
least
Number w/o signs
43. 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?
Divide out largest common factor
numerator
divisible
Add zeros to decimals until all decimals have same number of digits
44. A whole number such as 1 - 3 - 5 and so on that cannot be evenly divisible by 2
odd number
variables
whole number
even
45. When a number is larger than the other number. Example 65 > 56
Number of desired outcomes/number of total possible outcomes
Part
greater than
order of operations
46. Multiplying fractions
Reduce diagonally/vertically then multiply numerators and denominators
expression
LCM is LCD
fraction
47. Multiplying decimals
even number
rational numbers
Number of decimal places is total number of decimals places in factors multiplied
Same numerators: fraction w/ smaller denominator has larger value; Same denominators: fraction w/ larger numerator has larger value
48. Not identical or equivalent to
simplify
1 dividing by number
not equal
equal
49. Two expressions that are set equal to each other; a number sentence with an equal sign
simplify
greatest
Distributive law: multiply by LCM of all denominators; treat numerator/denominator separately
equation
50. A line for representing and graphing numbers. Each point on the line corresponds to a number.
product
number line
Distributive law: multiply by LCM of all denominators; treat numerator/denominator separately
Original whole +/- amount of change