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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. Multiplying decimals
Number of decimal places is total number of decimals places in factors multiplied
irrational numbers
odd number
Total A/total B
2. A number that is multiplied by another number to find a producr
Total A/total B
Same numerators: fraction w/ smaller denominator has larger value; Same denominators: fraction w/ larger numerator has larger value
greater than
factor
3. A number that results from multiplying a factor by itself
Greater spread in values
denominator
sum
square number
4. A shortcut for writing repeated multiplication
expression
exponents
Divide by 100%
rational numbers
5. A fraction whose numerator is greater than its denominator
improper fraction
Drop percent - move decimal point two place to left
percent
Add zeros to decimals until all decimals have same number of digits
6. The value of a digit based on its position within a number - e.g. 2 -432 The position of the numbers
place value
Part
ratio
value
7. The smallest number in a group of numbers
least
less than
compatible numbers
Total A/total B
8. 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)
improper fraction
commutative property
odd
Middle value
9. 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
Part
place value
identity property
commutative property
10. odd + even
order of operations
odd
estimate
divisibility by 3 rule
11. Natural Numbers - Whole Numbers - Integers - Rational Numbers
rational numbers
perfect square
digit
denominator
12. To make a percent
1 dividing by number
estimate
Multiply by 100%
distributive property
13. A letter that represents a value that may change
Distributive law: multiply by LCM of all denominators; treat numerator/denominator separately
variables
expression
product
14. 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)
divisible
odd
Multiply by 100%
associative property
15. 8x8=64 What is 64?
factor pair
Greater spread in values
perfect square
Last digit 0 or 5
16. A number written in expanded form with the place values written in exponential form - E.g. 2432=2000+400+30+2
Original whole +/- amount of change
Number w/o signs
number line
expanded form using exponents
17. Standard deviation: greater if...
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
greatest common factor
Greater spread in values
Number of decimal places is total number of decimals places in factors multiplied
18. Two expressions that are set equal to each other; a number sentence with an equal sign
Add zeros to decimals until all decimals have same number of digits
equation
greatest
Value occurring most frequently
19. In 4x4=16 - what is 4?
Reduce diagonally/vertically then multiply numerators and denominators
root numbers
equal
numerator
20. Number divisible by 4
Last two digits divisible by 4
factor pair
fraction
greater than
21. Rational numbers that expressed in decimal format that have fixed number of digits. 1.5 etc.
(Amount of increase/original whole) x100%
equivalent
Line up decimal points
terminating decimals
22. To find the answer for; solve
evaluate
Total A/total B
Probability for each event then multiply individual probabilities together
rational numbers
23. Any of the symbols used to write numbers (0 - 1 - 2 - 3 - 4 - 5 - 6 - 7 - 8 - 9)
Part
digit
estimate
quotient
24. odd + odd
even
prime number
(Amount of increase/original whole) x100%
product
25. When a number is larger than the other number. Example 65 > 56
variables
greater than
compensation
ratio
26. Simplifying complex fractions: two methods
equal
product
divisibility by 3 rule
Distributive law: multiply by LCM of all denominators; treat numerator/denominator separately
27. To drop a percent
rational numbers
identity property
Divide by 100%
Multiply by 100%
28. Number divisible by 5
value
Last digit 0 or 5
associative property
Add zeros to decimals until all decimals have same number of digits
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
prime number
number line
Reduce diagonally/vertically then multiply numerators and denominators
inverse property
30. Add up the digits; if the sum is a multiple of 3 the number is divisible by 3
less than
mixed number
number line
divisibility by 3 rule
31. 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
divisible
evaluate
Sum of digits divisible by 3
32. 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
common denominator
Greater spread in values
Multiply by 100%
33. 1/5 + 1/4=4/20 +5/20 and 20 is the...
estimate
Divide by 100%
common denominator
Probability for each event then multiply individual probabilities together
34. Be identical or equivalent to
associative property
distributive property
greatest common factor
equal
35. The answer to a multiplication problem
common denominator
Number of desired outcomes/number of total possible outcomes
product
Divide out largest common factor
36. Mode
Value occurring most frequently
Divide out largest common factor
root numbers
Original whole +/- amount of change
37. A whole number such as 1 - 3 - 5 and so on that cannot be evenly divisible by 2
Invert second term - then multiply
root numbers
fraction
odd number
38. New whole
compute
compatible numbers
Original whole +/- amount of change
quotient
39. A line for representing and graphing numbers. Each point on the line corresponds to a number.
number line
commutative property
sum
(Amount of increase/original whole) x100%
40. Adding/subtracting fractions
range
even
value
LCM is LCD
41. Answer to a multiplication problem
product
associative property
1 dividing by number
equivalent
42. Average A per B
odd number
range
Number of decimal places is total number of decimals places in factors multiplied
Total A/total B
43. Percent increase
Probability for each event then multiply individual probabilities together
proportion
perfect square
(Amount of increase/original whole) x100%
44. Two factors together that are multiplied to equal a larger number.
Original whole +/- amount of change
distributive property
factor pair
Distributive law: multiply by LCM of all denominators; treat numerator/denominator separately
45. Absolute value of number
identity property
Last digit 0 or 5
Number w/o signs
divisible
46. To find a number that is close to an exact answer - E.g. 23+24 is around 50
digit
estimate
square number
Original whole +/- amount of change
47. Average value
evaluate
Sum of values/number of values
Greater spread in values
constants
48. Comparing decimal fractions
Add zeros to decimals until all decimals have same number of digits
Line up decimal points
associative property
Divide by 100%
49. Number divisible by 2
decimal
Divisible by 2 and 3
Last digit 0 or 5
Last digit divisible by 2
50. A value that does not change; any number
greater than
Invert second term - then multiply
constants
factor pair
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