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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. To find a number that is close to an exact answer - E.g. 23+24 is around 50
prime number
estimate
simplify
equivalent
2. To make a percent
Multiply by 100%
divisibility by 3 rule
divisible
Number w/o signs
3. The value of a digit based on its position within a number - e.g. 2 -432 The position of the numbers
evaluate
estimate
place value
Divisible by 2 and 3
4. Multiple-event probability
exponents
composite number
greater than
Probability for each event then multiply individual probabilities together
5. Number divisible by 3
square number
Last two digits divisible by 4
Number w/o signs
Sum of digits divisible by 3
6. To perform a calculation - E.g. 2+2=4
place value
Total A/total B
order of operations
compute
7. Properties of 1 and -1
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8. 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
factor
identity property
Drop percent - move decimal point two place to left
compensation
9. Comparing positive fractions
terminating decimals
percent
Sum of digits divisible by 9
Same numerators: fraction w/ smaller denominator has larger value; Same denominators: fraction w/ larger numerator has larger value
10. Number divisible by 9
Same numerators: fraction w/ smaller denominator has larger value; Same denominators: fraction w/ larger numerator has larger value
Sum of digits divisible by 9
Sum of values/number of values
Divide out largest common factor
11. Reducing fractions
perfect square
digit
quotient
Divide out largest common factor
12. A shortcut for writing repeated multiplication
Line up decimal points
Sum of digits divisible by 9
quotient
exponents
13. A set of operators - numbers - variables and grouping symbols; no equal sign
inverse property
numerator
expression
Divisible by 2 and 3
14. The smallest number in a group of numbers
compute
least
estimate
percent
15. Number divisible by 5
Last digit 0 or 5
less than
prime factorization
prime number
16. A number that represents a part of a whole or a group; also means 'divided by' - E.g. 1/2 -3/4.5/6
inverse property
percent
fraction
exponents
17. Reciprocal of number
Multiply by 100%
even number
1 dividing by number
fraction
18. Answer to a division problem
odd number
Adding/subtracting 0 from number doesn't change number; number multiplied by 0 is 0; division by 0 undefined
even number
quotient
19. Percent decrease
denominator
even
(Amount of decrease/original whole) x100%
Divide by 100%
20. Simplifying complex fractions: two methods
Distributive law: multiply by LCM of all denominators; treat numerator/denominator separately
sum
common denominator
product
21. Percent x whole
not equal
Part
Number of decimal places is total number of decimals places in factors multiplied
Sum of values/number of values
22. Absolute value of number
Part
Number w/o signs
whole number
common denominator
23. 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)
Value occurring most frequently
greatest
associative property
odd number
24. Dividing fractions
Invert second term - then multiply
inverse property
Number of decimal places is total number of decimals places in factors multiplied
value
25. Rational numbers in decimal form that have a block of on or more digits that repeat continuously
repeating decimals
quotient
odd number
equivalent
26. Number divisible by 4
Greater spread in values
constants
compensation
Last two digits divisible by 4
27. When a number is larger than the other number. Example 65 > 56
expanded form using exponents
Value occurring most frequently
greater than
perfect square
28. Able to be divided evenly (without a remainder)
range
difference
divisible
Adding/subtracting 0 from number doesn't change number; number multiplied by 0 is 0; division by 0 undefined
29. Any whole number that ends with 0 - 2 - 4 - 6 - or 8 - any whole number that can be divided by 2
even number
Number w/o signs
compatible numbers
Drop percent - move decimal point two place to left
30. A whole number such as 1 - 3 - 5 and so on that cannot be evenly divisible by 2
odd number
quotient
even number
equation
31. Relationship in which a number is smaller than another
Adding/subtracting 0 from number doesn't change number; number multiplied by 0 is 0; division by 0 undefined
less than
odd
not equal
32. To place a fraction in lowest terms
range
odd number
simplify
even number
33. Percent increase
(Amount of increase/original whole) x100%
root numbers
percent
fraction
34. Two numbers or expressions that mean the same thing - E.g. 2/3=4/6
range
Reduce diagonally/vertically then multiply numerators and denominators
equivalent
Last digit 0 or 5
35. Answer to a multiplication problem
Divide by 100%
product
associative property
common denominator
36. Probability
product
Middle value
least
Number of desired outcomes/number of total possible outcomes
37. Standard deviation: greater if...
Greater spread in values
divisible
Number of desired outcomes/number of total possible outcomes
repeating decimals
38. Numbers that are easy to compute mentally - E.g. 34 / 5 is close to 35 / 5
mixed number
compatible numbers
Line up decimal points
constants
39. Natural Numbers - Whole Numbers - Integers - Rational Numbers
rational numbers
inverse property
Adding/subtracting 0 from number doesn't change number; number multiplied by 0 is 0; division by 0 undefined
Reduce diagonally/vertically then multiply numerators and denominators
40. The expression of a number as a product of prime factors; use a factor tree!
Probability for each event then multiply individual probabilities together
prime number
prime factorization
commutative property
41. Be identical or equivalent to
odd
Last digit 0 or 5
commutative property
equal
42. Adding/subtracting fractions
Distributive law: multiply by LCM of all denominators; treat numerator/denominator separately
Original whole +/- amount of change
LCM is LCD
Sum of values/number of values
43. A number with more than two factors
Last digit divisible by 2
even number
composite number
prime factorization
44. The answer to a multiplication problem
compatible numbers
LCM is LCD
least common multiple
product
45. A line for representing and graphing numbers. Each point on the line corresponds to a number.
number line
compensation
(Amount of increase/original whole) x100%
even number
46. odd + odd
factor pair
prime number
even
odd number
47. In 4x4=16 - what is 4?
Same numerators: fraction w/ smaller denominator has larger value; Same denominators: fraction w/ larger numerator has larger value
distributive property
root numbers
difference
48. 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
Divide out largest common factor
1 dividing by number
49. 8x8=64 What is 64?
compensation
perfect square
mixed number
even
50. A number without fractions; an integer- E.g. 0 - 1 - 2 - 3 - 4 - 5 - 6 - 7 - 8 - 9...
perfect square
estimate
whole number
Greater spread in values