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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. Comparing decimal fractions
Probability for each event then multiply individual probabilities together
Add zeros to decimals until all decimals have same number of digits
greatest common factor
even number
2. Two factors together that are multiplied to equal a larger number.
factor pair
rational numbers
Reduce diagonally/vertically then multiply numerators and denominators
difference
3. To find the answer for; solve
estimate
evaluate
Value occurring most frequently
terminating decimals
4. Absolute value of number
perfect square
Number w/o signs
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
greater than
5. A number with more than two factors
not equal
composite number
Reduce diagonally/vertically then multiply numerators and denominators
compatible numbers
6. A comparison of 2 numbers; one form is a fraction
ratio
expression
Line up decimal points
decimal
7. odd + even
Add zeros to decimals until all decimals have same number of digits
odd
greatest common factor
proportion
8. A number that results from multiplying a factor by itself
1 dividing by number
least
decimal
square number
9. How much a number is worth
value
least
equal
perfect square
10. 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)=
Multiply by 100%
evaluate
distributive property
expanded form using exponents
11. Median
less than
Middle value
digit
Original whole +/- amount of change
12. To place a fraction in lowest terms
digit
simplify
greatest common factor
improper fraction
13. Multiplying decimals
Add zeros to decimals until all decimals have same number of digits
Sum of digits divisible by 3
prime number
Number of decimal places is total number of decimals places in factors multiplied
14. To find a number that is close to an exact answer - E.g. 23+24 is around 50
product
estimate
sum
even number
15. To perform a calculation - E.g. 2+2=4
compensation
compute
Reduce diagonally/vertically then multiply numerators and denominators
divisible
16. Number divisible by 3
Sum of digits divisible by 9
compute
decimal
Sum of digits divisible by 3
17. When a number is larger than the other number. Example 65 > 56
Divisible by 2 and 3
greater than
Number w/o signs
Sum of digits divisible by 9
18. 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.
compensation
Invert second term - then multiply
constants
digit
19. Reducing fractions
expanded form using exponents
identity property
Divide out largest common factor
least
20. Relationship in which a number is smaller than another
less than
Original whole +/- amount of change
place value
Distributive law: multiply by LCM of all denominators; treat numerator/denominator separately
21. Properties of numbers btw -1 and 1
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22. A whole number such as 1 - 3 - 5 and so on that cannot be evenly divisible by 2
range
greatest
evaluate
odd number
23. A number with one or more digits to the right of the decimal point - E.g. .33
Last digit 0 or 5
common denominator
decimal
perfect square
24. 8x8=64 What is 64?
perfect square
associative property
numerator
Divide out largest common factor
25. Answer to a division problem
difference
Probability for each event then multiply individual probabilities together
least
quotient
26. A value that does not change; any number
constants
least common multiple
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
improper fraction
27. 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
identity property
denominator
even
simplify
28. The answer to a subtraction problem
common denominator
compatible numbers
difference
Number w/o signs
29. A set of operators - numbers - variables and grouping symbols; no equal sign
Original whole +/- amount of change
equal
expression
Adding/subtracting 0 from number doesn't change number; number multiplied by 0 is 0; division by 0 undefined
30. Two numbers or expressions that mean the same thing - E.g. 2/3=4/6
Sum of values/number of values
whole number
number line
equivalent
31. The difference between the greatest and the least numbers in a set of data.
constants
quotient
range
Part
32. Dividing fractions
Invert second term - then multiply
compute
root numbers
rational numbers
33. Two expressions that are set equal to each other; a number sentence with an equal sign
Number w/o signs
Divide by 100%
percent
equation
34. To drop a percent
Divide by 100%
simplify
mixed number
Divisible by 2 and 3
35. 1/5 + 1/4=4/20 +5/20 and 20 is the...
identity property
common denominator
mixed number
(Amount of increase/original whole) x100%
36. Answer to a multiplication problem
Sum of values/number of values
odd number
greatest
product
37. Be identical or equivalent to
repeating decimals
Middle value
equal
sum
38. Simplifying complex fractions: two methods
Distributive law: multiply by LCM of all denominators; treat numerator/denominator separately
Same numerators: fraction w/ smaller denominator has larger value; Same denominators: fraction w/ larger numerator has larger value
Last two digits divisible by 4
compensation
39. A shortcut for writing repeated multiplication
expanded form using exponents
exponents
place value
difference
40. A line for representing and graphing numbers. Each point on the line corresponds to a number.
number line
fraction
Add zeros to decimals until all decimals have same number of digits
equation
41. PEMDAS - Parentheses - Exponents - Multiplication & Division (L to R) - Addition & Subtraction (L to R)
root numbers
Middle value
perfect square
order of operations
42. The answer to an addition problem
Distributive law: multiply by LCM of all denominators; treat numerator/denominator separately
Invert second term - then multiply
Value occurring most frequently
sum
43. A number made up of a whole number and a fraction
mixed number
identity property
expanded form using exponents
rational numbers
44. Any whole number that ends with 0 - 2 - 4 - 6 - or 8 - any whole number that can be divided by 2
even number
even
factor
Add zeros to decimals until all decimals have same number of digits
45. A number with only two factors - one and itself - E.g. 3 -7 -11 -13 -17 -19...
improper fraction
Reduce diagonally/vertically then multiply numerators and denominators
prime number
even
46. Rational numbers in decimal form that have a block of on or more digits that repeat continuously
repeating decimals
associative property
Last digit 0 or 5
terminating decimals
47. Not identical or equivalent to
not equal
proportion
Last digit 0 or 5
Same numerators: fraction w/ smaller denominator has larger value; Same denominators: fraction w/ larger numerator has larger value
48. Rational numbers that expressed in decimal format that have fixed number of digits. 1.5 etc.
(Amount of decrease/original whole) x100%
terminating decimals
denominator
rational numbers
49. Multiple-event probability
mixed number
greatest
odd number
Probability for each event then multiply individual probabilities together
50. Adding/subtracting fractions
evaluate
denominator
odd
LCM is LCD