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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 written in expanded form with the place values written in exponential form - E.g. 2432=2000+400+30+2
expanded form using exponents
difference
composite number
Distributive law: multiply by LCM of all denominators; treat numerator/denominator separately
2. Percent increase
commutative property
(Amount of increase/original whole) x100%
place value
repeating decimals
3. Dividing decimals
Multiply by power of 10 so divisor is integer; decimal point is above that in dividend
decimal
equivalent
ratio
4. To place a fraction in lowest terms
1 dividing by number
simplify
identity property
Last digit divisible by 2
5. A fraction whose numerator is greater than its denominator
Line up decimal points
proportion
expression
improper fraction
6. 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)
compensation
composite number
Last two digits divisible by 4
associative property
7. 1/5 + 1/4=4/20 +5/20 and 20 is the...
greatest
Total A/total B
difference
common denominator
8. odd + even
Number of decimal places is total number of decimals places in factors multiplied
Sum of digits divisible by 9
odd
factor
9. Absolute value of number
Multiply by power of 10 so divisor is integer; decimal point is above that in dividend
Number w/o signs
factor
Last digit 0 or 5
10. Natural Numbers - Whole Numbers - Integers - Rational Numbers
repeating decimals
rational numbers
common denominator
even
11. Comparing decimal fractions
percent
Add zeros to decimals until all decimals have same number of digits
divisible
Distributive law: multiply by LCM of all denominators; treat numerator/denominator separately
12. Percent decrease
value
(Amount of decrease/original whole) x100%
product
Last digit divisible by 2
13. Number divisible by 2
Number w/o signs
Last digit divisible by 2
Sum of values/number of values
compute
14. Average value
1 dividing by number
Sum of values/number of values
numerator
percent
15. Two expressions that are set equal to each other; a number sentence with an equal sign
common denominator
equation
repeating decimals
denominator
16. 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
digit
factor pair
1 dividing by number
inverse property
17. Answer to a division problem
quotient
prime factorization
range
greatest
18. Number divisible by 5
Last digit 0 or 5
denominator
Sum of digits divisible by 9
fraction
19. Be identical or equivalent to
equal
Distributive law: multiply by LCM of all denominators; treat numerator/denominator separately
divisible
product
20. When a number is larger than the other number. Example 65 > 56
quotient
Number of decimal places is total number of decimals places in factors multiplied
fraction
greater than
21. Number divisible by 3
compute
number line
repeating decimals
Sum of digits divisible by 3
22. Probability
distributive property
digit
perfect square
Number of desired outcomes/number of total possible outcomes
23. The difference between the greatest and the least numbers in a set of data.
range
Same numerators: fraction w/ smaller denominator has larger value; Same denominators: fraction w/ larger numerator has larger value
Number of desired outcomes/number of total possible outcomes
Value occurring most frequently
24. To find a number that is close to an exact answer - E.g. 23+24 is around 50
Last two digits divisible by 4
Reduce diagonally/vertically then multiply numerators and denominators
greater than
estimate
25. Any whole number that ends with 0 - 2 - 4 - 6 - or 8 - any whole number that can be divided by 2
proportion
even number
common denominator
constants
26. Multiplying fractions
prime number
even number
compatible numbers
Reduce diagonally/vertically then multiply numerators and denominators
27. A fraction out of 100 - %
percent
ratio
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
Total A/total B
28. Reducing fractions
rational numbers
Sum of values/number of values
Number of desired outcomes/number of total possible outcomes
Divide out largest common factor
29. Percent x whole
proportion
digit
Part
value
30. 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
Last two digits divisible by 4
expanded form using exponents
Sum of digits divisible by 9
identity property
31. A number that results from multiplying a factor by itself
square number
associative property
denominator
least common multiple
32. A number without fractions; an integer- E.g. 0 - 1 - 2 - 3 - 4 - 5 - 6 - 7 - 8 - 9...
equal
denominator
divisibility by 3 rule
whole number
33. Number divisible by 9
compatible numbers
Sum of digits divisible by 9
percent
denominator
34. Multiplying decimals
greatest common factor
even number
Number of decimal places is total number of decimals places in factors multiplied
factor pair
35. A line for representing and graphing numbers. Each point on the line corresponds to a number.
number line
distributive property
quotient
Sum of digits divisible by 9
36. To drop a percent
Multiply by 100%
prime number
least
Divide by 100%
37. Properties of 0
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38. Two numbers or expressions that mean the same thing - E.g. 2/3=4/6
equivalent
value
sum
Number w/o signs
39. To change a percent to a decimal
compatible numbers
Greater spread in values
least
Drop percent - move decimal point two place to left
40. Standard deviation: greater if...
Greater spread in values
Multiply by 100%
proportion
Probability for each event then multiply individual probabilities together
41. To perform a calculation - E.g. 2+2=4
Last digit 0 or 5
compute
distributive property
(Amount of increase/original whole) x100%
42. Rational numbers in decimal form that have a block of on or more digits that repeat continuously
Same numerators: fraction w/ smaller denominator has larger value; Same denominators: fraction w/ larger numerator has larger value
compensation
place value
repeating decimals
43. How much a number is worth
Sum of digits divisible by 3
perfect square
value
factor pair
44. 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)
commutative property
LCM is LCD
quotient
Total A/total B
45. A whole number such as 1 - 3 - 5 and so on that cannot be evenly divisible by 2
odd number
compute
prime factorization
place value
46. Average A per B
Total A/total B
rational numbers
denominator
Multiply by 100%
47. The smallest number that is a multiple of both numbers. (the LCM of 15 and 6 is 30)
Sum of digits divisible by 9
rational numbers
even number
least common multiple
48. Multiple-event probability
prime number
percent
Probability for each event then multiply individual probabilities together
digit
49. Comparing positive fractions
Sum of digits divisible by 3
Same numerators: fraction w/ smaller denominator has larger value; Same denominators: fraction w/ larger numerator has larger value
even number
irrational numbers
50. Relationship in which a number is smaller than another
estimate
decimal
less than
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