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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. Average A per B
Number of desired outcomes/number of total possible outcomes
Total A/total B
Value occurring most frequently
Middle value
2. 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
exponents
denominator
estimate
3. Add up the digits; if the sum is a multiple of 3 the number is divisible by 3
numerator
divisibility by 3 rule
distributive property
range
4. A number with only two factors - one and itself - E.g. 3 -7 -11 -13 -17 -19...
prime number
product
exponents
Divide by 100%
5. A number with more than two factors
Invert second term - then multiply
composite number
square number
associative property
6. The expression of a number as a product of prime factors; use a factor tree!
1 dividing by number
irrational numbers
prime factorization
common denominator
7. Reciprocal of number
even number
rational numbers
1 dividing by number
odd number
8. The answer to a multiplication problem
product
expression
estimate
simplify
9. Natural Numbers - Whole Numbers - Integers - Rational Numbers
odd
Add zeros to decimals until all decimals have same number of digits
difference
rational numbers
10. Properties of numbers btw -1 and 1
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11. Comparing positive fractions
product
Same numerators: fraction w/ smaller denominator has larger value; Same denominators: fraction w/ larger numerator has larger value
difference
Reduce diagonally/vertically then multiply numerators and denominators
12. To find the answer for; solve
(Amount of increase/original whole) x100%
factor pair
sum
evaluate
13. Cannot be expressed in the form a/b. Include square roots of whole numbers that are not perfect squares and non terminating decimals that do not repeat. pi
Value occurring most frequently
percent
irrational numbers
place value
14. A number that results from multiplying a factor by itself
square number
Number of desired outcomes/number of total possible outcomes
mixed number
quotient
15. 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
inverse property
exponents
less than
root numbers
16. New whole
irrational numbers
Original whole +/- amount of change
greatest common factor
numerator
17. A line for representing and graphing numbers. Each point on the line corresponds to a number.
place value
number line
equivalent
mixed number
18. PEMDAS - Parentheses - Exponents - Multiplication & Division (L to R) - Addition & Subtraction (L to R)
order of operations
number line
least
associative property
19. A number made up of a whole number and a fraction
proportion
mixed number
simplify
associative property
20. Percent x whole
least common multiple
Part
product
equal
21. Two numbers or expressions that mean the same thing - E.g. 2/3=4/6
distributive property
equivalent
divisible
Add zeros to decimals until all decimals have same number of digits
22. Number divisible by 6
fraction
perfect square
Divide by 100%
Divisible by 2 and 3
23. odd + odd
Probability for each event then multiply individual probabilities together
even
irrational numbers
Sum of digits divisible by 9
24. 8x8=64 What is 64?
evaluate
perfect square
Probability for each event then multiply individual probabilities together
divisible
25. Able to be divided evenly (without a remainder)
constants
evaluate
divisible
percent
26. A number without fractions; an integer- E.g. 0 - 1 - 2 - 3 - 4 - 5 - 6 - 7 - 8 - 9...
Number of decimal places is total number of decimals places in factors multiplied
whole number
compute
Original whole +/- amount of change
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
Same numerators: fraction w/ smaller denominator has larger value; Same denominators: fraction w/ larger numerator has larger value
even
LCM is LCD
28. Any whole number that ends with 0 - 2 - 4 - 6 - or 8 - any whole number that can be divided by 2
odd
greatest common factor
even number
factor
29. Properties of 0
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30. The smallest number that is a multiple of both numbers. (the LCM of 15 and 6 is 30)
Original whole +/- amount of change
even number
proportion
least common multiple
31. Multiplying fractions
product
Reduce diagonally/vertically then multiply numerators and denominators
terminating decimals
Invert second term - then multiply
32. 1/5 + 1/4=4/20 +5/20 and 20 is the...
common denominator
Line up decimal points
rational numbers
Probability for each event then multiply individual probabilities together
33. Number divisible by 5
not equal
Last digit 0 or 5
perfect square
sum
34. Not identical or equivalent to
denominator
not equal
equation
Original whole +/- amount of change
35. To drop a percent
perfect square
Divide by 100%
Adding/subtracting 0 from number doesn't change number; number multiplied by 0 is 0; division by 0 undefined
square number
36. To change a percent to a decimal
1 dividing by number
prime factorization
Drop percent - move decimal point two place to left
constants
37. Properties of 1 and -1
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38. Answer to a division problem
Divisible by 2 and 3
quotient
Number of decimal places is total number of decimals places in factors multiplied
identity property
39. Numbers that are easy to compute mentally - E.g. 34 / 5 is close to 35 / 5
square number
compatible numbers
commutative property
rational numbers
40. Adding/subtracting decimals
Adding/subtracting 0 from number doesn't change number; number multiplied by 0 is 0; division by 0 undefined
greatest
Line up decimal points
even number
41. 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?
order of operations
repeating decimals
numerator
Number w/o signs
42. In 4x4=16 - what is 4?
whole number
decimal
root numbers
greatest common factor
43. To perform a calculation - E.g. 2+2=4
compute
Multiply by power of 10 so divisor is integer; decimal point is above that in dividend
estimate
Number w/o signs
44. Median
greatest
range
factor
Middle value
45. How much a number is worth
square number
divisibility by 3 rule
Divisible by 2 and 3
value
46. A number written in expanded form with the place values written in exponential form - E.g. 2432=2000+400+30+2
digit
expanded form using exponents
greater than
least common multiple
47. A whole number such as 1 - 3 - 5 and so on that cannot be evenly divisible by 2
inverse property
proportion
odd
odd number
48. The smallest number in a group of numbers
inverse property
Sum of digits divisible by 9
equivalent
least
49. Standard deviation: greater if...
compatible numbers
Same numerators: fraction w/ smaller denominator has larger value; Same denominators: fraction w/ larger numerator has larger value
Greater spread in values
1 dividing by number
50. A number that represents a part of a whole or a group; also means 'divided by' - E.g. 1/2 -3/4.5/6
expression
Divide out largest common factor
fraction
odd