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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. Two numbers or expressions that mean the same thing - E.g. 2/3=4/6
equivalent
range
factor pair
composite number
2. A number written in expanded form with the place values written in exponential form - E.g. 2432=2000+400+30+2
odd number
Divisible by 2 and 3
expanded form using exponents
Adding/subtracting 0 from number doesn't change number; number multiplied by 0 is 0; division by 0 undefined
3. Multiplying fractions
Invert second term - then multiply
repeating decimals
Number of decimal places is total number of decimals places in factors multiplied
Reduce diagonally/vertically then multiply numerators and denominators
4. A number with only two factors - one and itself - E.g. 3 -7 -11 -13 -17 -19...
Divide by 100%
prime number
simplify
Multiply by power of 10 so divisor is integer; decimal point is above that in dividend
5. Number divisible by 2
Divisible by 2 and 3
even
proportion
Last digit divisible by 2
6. 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
even number
identity property
7. A whole number such as 1 - 3 - 5 and so on that cannot be evenly divisible by 2
numerator
compute
odd number
proportion
8. Natural Numbers - Whole Numbers - Integers - Rational Numbers
Add zeros to decimals until all decimals have same number of digits
Divisible by 2 and 3
rational numbers
compatible numbers
9. In 4x4=16 - what is 4?
difference
value
Probability for each event then multiply individual probabilities together
root numbers
10. The answer to an addition problem
variables
Same numerators: fraction w/ smaller denominator has larger value; Same denominators: fraction w/ larger numerator has larger value
even number
sum
11. Percent x whole
Distributive law: multiply by LCM of all denominators; treat numerator/denominator separately
greatest
Part
even
12. Numbers that are easy to compute mentally - E.g. 34 / 5 is close to 35 / 5
compatible numbers
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
(Amount of decrease/original whole) x100%
identity property
13. Comparing decimal fractions
difference
Sum of digits divisible by 9
Add zeros to decimals until all decimals have same number of digits
constants
14. Dividing fractions
Invert second term - then multiply
greatest common factor
mixed number
Same numerators: fraction w/ smaller denominator has larger value; Same denominators: fraction w/ larger numerator has larger value
15. 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?
Last digit divisible by 2
value
numerator
Invert second term - then multiply
16. The largest number in a group of numbers
distributive property
Reduce diagonally/vertically then multiply numerators and denominators
quotient
greatest
17. Able to be divided evenly (without a remainder)
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
Last digit divisible by 2
product
divisible
18. Not identical or equivalent to
Reduce diagonally/vertically then multiply numerators and denominators
equivalent
associative property
not equal
19. 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)
Multiply by 100%
greatest common factor
associative property
equation
20. A letter that represents a value that may change
variables
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
irrational numbers
digit
21. Properties of 1 and -1
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22. Adding/subtracting decimals
Original whole +/- amount of change
Line up decimal points
Total A/total B
percent
23. The expression of a number as a product of prime factors; use a factor tree!
prime factorization
Invert second term - then multiply
Line up decimal points
simplify
24. Two factors together that are multiplied to equal a larger number.
product
variables
product
factor pair
25. Two expressions that are set equal to each other; a number sentence with an equal sign
Multiply by power of 10 so divisor is integer; decimal point is above that in dividend
equation
ratio
equal
26. A fraction out of 100 - %
odd
factor pair
common denominator
percent
27. Number divisible by 9
estimate
exponents
Sum of digits divisible by 9
simplify
28. Average value
Number of desired outcomes/number of total possible outcomes
constants
Sum of values/number of values
improper fraction
29. To place a fraction in lowest terms
equal
simplify
prime factorization
divisible
30. Adding/subtracting fractions
associative property
distributive property
LCM is LCD
fraction
31. A fraction whose numerator is greater than its denominator
variables
Greater spread in values
Number of decimal places is total number of decimals places in factors multiplied
improper fraction
32. 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?
terminating decimals
equation
denominator
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
33. Number divisible by 6
Divisible by 2 and 3
terminating decimals
compute
Adding/subtracting 0 from number doesn't change number; number multiplied by 0 is 0; division by 0 undefined
34. A number with more than two factors
compute
equal
percent
composite number
35. Properties of numbers btw -1 and 1
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36. A value that does not change; any number
Part
repeating decimals
constants
evaluate
37. Rational numbers that expressed in decimal format that have fixed number of digits. 1.5 etc.
terminating decimals
order of operations
greatest
Number of decimal places is total number of decimals places in factors multiplied
38. The answer to a multiplication problem
product
commutative property
Divide out largest common factor
Greater spread in values
39. To perform a calculation - E.g. 2+2=4
simplify
compute
value
least
40. Answer to a division problem
quotient
Divide by 100%
numerator
Greater spread in values
41. A number with one or more digits to the right of the decimal point - E.g. .33
repeating decimals
Line up decimal points
decimal
even number
42. Percent increase
prime factorization
factor pair
product
(Amount of increase/original whole) x100%
43. The value of a digit based on its position within a number - e.g. 2 -432 The position of the numbers
difference
Divide by 100%
place value
Probability for each event then multiply individual probabilities together
44. How much a number is worth
greatest common factor
range
Last digit divisible by 2
value
45. Dividing decimals
difference
1 dividing by number
Multiply by 100%
Multiply by power of 10 so divisor is integer; decimal point is above that in dividend
46. Median
number line
Sum of digits divisible by 9
greatest
Middle value
47. To change a percent to a decimal
Drop percent - move decimal point two place to left
product
prime number
factor pair
48. Probability
Number of desired outcomes/number of total possible outcomes
1 dividing by number
number line
Last two digits divisible by 4
49. Properties of 0
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50. The answer to a subtraction problem
Reduce diagonally/vertically then multiply numerators and denominators
equation
difference
odd