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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 with only two factors - one and itself - E.g. 3 -7 -11 -13 -17 -19...
prime number
compatible numbers
Sum of digits divisible by 3
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
2. A fraction out of 100 - %
percent
expanded form using exponents
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
factor pair
3. A comparison of 2 numbers; one form is a fraction
evaluate
Divide out largest common factor
Number of decimal places is total number of decimals places in factors multiplied
ratio
4. A number without fractions; an integer- E.g. 0 - 1 - 2 - 3 - 4 - 5 - 6 - 7 - 8 - 9...
whole number
Number of desired outcomes/number of total possible outcomes
least common multiple
root numbers
5. Able to be divided evenly (without a remainder)
compatible numbers
divisible
Sum of values/number of values
compensation
6. To perform a calculation - E.g. 2+2=4
even
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
compute
Last two digits divisible by 4
7. Number divisible by 9
1 dividing by number
Number of desired outcomes/number of total possible outcomes
Sum of digits divisible by 9
least common multiple
8. An equation showing 2 ratios are equal
equation
distributive property
difference
proportion
9. The smallest number in a group of numbers
order of operations
product
least
Reduce diagonally/vertically then multiply numerators and denominators
10. odd + odd
factor
mixed number
1 dividing by number
even
11. 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
divisibility by 3 rule
least common multiple
12. Dividing fractions
Last digit divisible by 2
Number w/o signs
Invert second term - then multiply
prime factorization
13. Number divisible by 3
exponents
Sum of digits divisible by 3
equal
Divide by 100%
14. A whole number such as 1 - 3 - 5 and so on that cannot be evenly divisible by 2
odd number
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
estimate
divisible
15. Multiplying fractions
even number
least common multiple
Last digit 0 or 5
Reduce diagonally/vertically then multiply numerators and denominators
16. 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)=
Last two digits divisible by 4
1 dividing by number
denominator
distributive property
17. Any of the symbols used to write numbers (0 - 1 - 2 - 3 - 4 - 5 - 6 - 7 - 8 - 9)
Multiply by power of 10 so divisor is integer; decimal point is above that in dividend
equation
digit
greatest common factor
18. Properties of numbers btw -1 and 1
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19. The answer to an addition problem
Part
divisibility by 3 rule
sum
compatible numbers
20. Any whole number that ends with 0 - 2 - 4 - 6 - or 8 - any whole number that can be divided by 2
even number
divisibility by 3 rule
Adding/subtracting 0 from number doesn't change number; number multiplied by 0 is 0; division by 0 undefined
expanded form using exponents
21. A value that does not change; any number
Middle value
Last digit divisible by 2
least
constants
22. The expression of a number as a product of prime factors; use a factor tree!
Last two digits divisible by 4
evaluate
divisibility by 3 rule
prime factorization
23. Multiplying decimals
square number
Number of decimal places is total number of decimals places in factors multiplied
distributive property
Multiply by power of 10 so divisor is integer; decimal point is above that in dividend
24. odd + even
odd
associative property
rational numbers
even number
25. A shortcut for writing repeated multiplication
odd number
exponents
Drop percent - move decimal point two place to left
place value
26. A number with more than two factors
factor
composite number
least common multiple
rational numbers
27. A number written in expanded form with the place values written in exponential form - E.g. 2432=2000+400+30+2
expanded form using exponents
Sum of values/number of values
equation
Reduce diagonally/vertically then multiply numerators and denominators
28. Percent x whole
Sum of digits divisible by 9
denominator
Part
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
29. Simplifying complex fractions: two methods
Reduce diagonally/vertically then multiply numerators and denominators
greatest common factor
Line up decimal points
Distributive law: multiply by LCM of all denominators; treat numerator/denominator separately
30. Absolute value of number
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
Number w/o signs
perfect square
order of operations
31. Properties of 1 and -1
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32. Two numbers or expressions that mean the same thing - E.g. 2/3=4/6
product
Sum of digits divisible by 9
equivalent
prime number
33. A number with one or more digits to the right of the decimal point - E.g. .33
Drop percent - move decimal point two place to left
divisible
decimal
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
34. Average value
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
Sum of values/number of values
expression
greatest common factor
35. New whole
Original whole +/- amount of change
rational numbers
Reduce diagonally/vertically then multiply numerators and denominators
mixed number
36. To find the answer for; solve
constants
evaluate
composite number
Original whole +/- amount of change
37. Standard deviation: greater if...
common denominator
Greater spread in values
Divisible by 2 and 3
not equal
38. Not identical or equivalent to
not equal
Divide by 100%
denominator
estimate
39. In 4x4=16 - what is 4?
root numbers
number line
least
range
40. 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?
compatible numbers
Invert second term - then multiply
denominator
equal
41. 1/5 + 1/4=4/20 +5/20 and 20 is the...
Adding/subtracting 0 from number doesn't change number; number multiplied by 0 is 0; division by 0 undefined
product
Number of desired outcomes/number of total possible outcomes
common denominator
42. 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?
numerator
digit
compensation
greater than
43. PEMDAS - Parentheses - Exponents - Multiplication & Division (L to R) - Addition & Subtraction (L to R)
even
quotient
Sum of digits divisible by 3
order of operations
44. The answer to a multiplication problem
product
Number w/o signs
Total A/total B
divisible
45. Two factors together that are multiplied to equal a larger number.
Drop percent - move decimal point two place to left
rational numbers
factor pair
equation
46. A fraction whose numerator is greater than its denominator
ratio
improper fraction
identity property
associative property
47. Mode
even number
Value occurring most frequently
greater than
Total A/total B
48. A number that is multiplied by another number to find a producr
decimal
factor
prime factorization
perfect square
49. Be identical or equivalent to
equal
rational numbers
perfect square
variables
50. Reducing fractions
root numbers
Original whole +/- amount of change
Divide out largest common factor
compatible numbers