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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. To place a fraction in lowest terms
simplify
commutative property
Total A/total B
even
2. Number divisible by 4
Last two digits divisible by 4
identity property
Sum of values/number of values
LCM is LCD
3. Multiplying fractions
ratio
Reduce diagonally/vertically then multiply numerators and denominators
expression
simplify
4. Any whole number that ends with 0 - 2 - 4 - 6 - or 8 - any whole number that can be divided by 2
difference
divisible
even number
compensation
5. The answer to a multiplication problem
associative property
fraction
product
range
6. When a number is larger than the other number. Example 65 > 56
equation
greater than
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
7. A number that is multiplied by another number to find a producr
Same numerators: fraction w/ smaller denominator has larger value; Same denominators: fraction w/ larger numerator has larger value
factor
variables
Number of decimal places is total number of decimals places in factors multiplied
8. 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
inverse property
identity property
greater than
least common multiple
9. Be identical or equivalent to
compute
Last digit 0 or 5
equation
equal
10. Dividing fractions
terminating decimals
Last digit 0 or 5
associative property
Invert second term - then multiply
11. The value of a digit based on its position within a number - e.g. 2 -432 The position of the numbers
identity property
Number of decimal places is total number of decimals places in factors multiplied
place value
estimate
12. A fraction out of 100 - %
inverse property
Invert second term - then multiply
Add zeros to decimals until all decimals have same number of digits
percent
13. Percent decrease
Part
even number
(Amount of decrease/original whole) x100%
Total A/total B
14. Comparing decimal fractions
Add zeros to decimals until all decimals have same number of digits
odd
1 dividing by number
Multiply by 100%
15. To make a percent
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
Same numerators: fraction w/ smaller denominator has larger value; Same denominators: fraction w/ larger numerator has larger value
odd number
Multiply by 100%
16. Rational numbers that expressed in decimal format that have fixed number of digits. 1.5 etc.
Probability for each event then multiply individual probabilities together
common denominator
terminating decimals
Distributive law: multiply by LCM of all denominators; treat numerator/denominator separately
17. To find the answer for; solve
factor pair
Divisible by 2 and 3
evaluate
Drop percent - move decimal point two place to left
18. Number divisible by 9
factor
Sum of digits divisible by 9
greatest common factor
place value
19. Two expressions that are set equal to each other; a number sentence with an equal sign
ratio
equation
(Amount of decrease/original whole) x100%
number line
20. Reducing fractions
commutative property
digit
value
Divide out largest common factor
21. 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
constants
Drop percent - move decimal point two place to left
irrational numbers
odd
22. New whole
Original whole +/- amount of change
percent
factor
repeating decimals
23. To change a percent to a decimal
Same numerators: fraction w/ smaller denominator has larger value; Same denominators: fraction w/ larger numerator has larger value
Probability for each event then multiply individual probabilities together
Drop percent - move decimal point two place to left
least
24. The answer to an addition problem
sum
percent
order of operations
simplify
25. Adding/subtracting fractions
LCM is LCD
expanded form using exponents
Number of decimal places is total number of decimals places in factors multiplied
Original whole +/- amount of change
26. A number that results from multiplying a factor by itself
square number
equal
irrational numbers
(Amount of decrease/original whole) x100%
27. Multiplying decimals
ratio
Number of decimal places is total number of decimals places in factors multiplied
product
simplify
28. A number made up of a whole number and a fraction
improper fraction
mixed number
root numbers
difference
29. Able to be divided evenly (without a remainder)
ratio
divisible
even number
product
30. Dividing decimals
Multiply by power of 10 so divisor is integer; decimal point is above that in dividend
Sum of digits divisible by 9
root numbers
number line
31. Comparing positive fractions
Multiply by power of 10 so divisor is integer; decimal point is above that in dividend
Add zeros to decimals until all decimals have same number of digits
Same numerators: fraction w/ smaller denominator has larger value; Same denominators: fraction w/ larger numerator has larger value
proportion
32. Number divisible by 6
place value
Original whole +/- amount of change
Divisible by 2 and 3
LCM is LCD
33. 8x8=64 What is 64?
digit
Divide by 100%
Adding/subtracting 0 from number doesn't change number; number multiplied by 0 is 0; division by 0 undefined
perfect square
34. The difference between the greatest and the least numbers in a set of data.
range
Multiply by 100%
Distributive law: multiply by LCM of all denominators; treat numerator/denominator separately
compute
35. A shortcut for writing repeated multiplication
Middle value
Total A/total B
ratio
exponents
36. 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
Adding/subtracting 0 from number doesn't change number; number multiplied by 0 is 0; division by 0 undefined
place value
Greater spread in values
37. An equation showing 2 ratios are equal
proportion
Number w/o signs
expression
identity property
38. odd + even
Divide by 100%
mixed number
odd
distributive property
39. A number written in expanded form with the place values written in exponential form - E.g. 2432=2000+400+30+2
Sum of values/number of values
expression
expanded form using exponents
numerator
40. To perform a calculation - E.g. 2+2=4
place value
Last two digits divisible by 4
Divide out largest common factor
compute
41. 1/5 + 1/4=4/20 +5/20 and 20 is the...
difference
Sum of digits divisible by 3
common denominator
greatest
42. Two factors together that are multiplied to equal a larger number.
simplify
greater than
Adding/subtracting 0 from number doesn't change number; number multiplied by 0 is 0; division by 0 undefined
factor pair
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?
whole number
Reduce diagonally/vertically then multiply numerators and denominators
numerator
(Amount of increase/original whole) x100%
44. Percent x whole
divisibility by 3 rule
Same numerators: fraction w/ smaller denominator has larger value; Same denominators: fraction w/ larger numerator has larger value
Sum of values/number of values
Part
45. The smallest number in a group of numbers
Line up decimal points
least
even number
Middle value
46. 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.
Adding/subtracting 0 from number doesn't change number; number multiplied by 0 is 0; division by 0 undefined
digit
constants
compensation
47. Percent increase
(Amount of decrease/original whole) x100%
Original whole +/- amount of change
Last two digits divisible by 4
(Amount of increase/original whole) x100%
48. Simplifying complex fractions: two methods
composite number
range
Middle value
Distributive law: multiply by LCM of all denominators; treat numerator/denominator separately
49. Probability
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
Number of desired outcomes/number of total possible outcomes
improper fraction
50. A value that does not change; any number
root numbers
Last digit divisible by 2
numerator
constants