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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 one or more digits to the right of the decimal point - E.g. .33
Number w/o signs
not equal
decimal
Divide out largest common factor
2. Adding/subtracting fractions
Divide out largest common factor
(Amount of decrease/original whole) x100%
LCM is LCD
range
3. Adding/subtracting decimals
distributive property
Adding/subtracting 0 from number doesn't change number; number multiplied by 0 is 0; division by 0 undefined
Line up decimal points
Number of decimal places is total number of decimals places in factors multiplied
4. Properties of numbers btw -1 and 1
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5. New whole
Original whole +/- amount of change
percent
simplify
estimate
6. Reciprocal of number
Last digit divisible by 2
1 dividing by number
least common multiple
common denominator
7. Rational numbers that expressed in decimal format that have fixed number of digits. 1.5 etc.
distributive property
square number
terminating decimals
Probability for each event then multiply individual probabilities together
8. The answer to an addition problem
factor
estimate
sum
Reduce diagonally/vertically then multiply numerators and denominators
9. In 4x4=16 - what is 4?
prime number
improper fraction
numerator
root numbers
10. odd + odd
proportion
Value occurring most frequently
even
sum
11. Reducing fractions
value
rational numbers
Divide out largest common factor
ratio
12. An equation showing 2 ratios are equal
1 dividing by number
Probability for each event then multiply individual probabilities together
expanded form using exponents
proportion
13. Number divisible by 5
root numbers
denominator
Last digit 0 or 5
Number of decimal places is total number of decimals places in factors multiplied
14. Numbers that are easy to compute mentally - E.g. 34 / 5 is close to 35 / 5
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
repeating decimals
compatible numbers
range
15. A fraction whose numerator is greater than its denominator
inverse property
improper fraction
exponents
even
16. Average A per B
Total A/total B
compensation
sum
mixed number
17. A number with only two factors - one and itself - E.g. 3 -7 -11 -13 -17 -19...
proportion
improper fraction
compatible numbers
prime number
18. A line for representing and graphing numbers. Each point on the line corresponds to a number.
less than
number line
compensation
product
19. 8x8=64 What is 64?
numerator
perfect square
Adding/subtracting 0 from number doesn't change number; number multiplied by 0 is 0; division by 0 undefined
Multiply by power of 10 so divisor is integer; decimal point is above that in dividend
20. A number that results from multiplying a factor by itself
square number
(Amount of increase/original whole) x100%
numerator
(Amount of decrease/original whole) x100%
21. Any of the symbols used to write numbers (0 - 1 - 2 - 3 - 4 - 5 - 6 - 7 - 8 - 9)
place value
digit
prime number
terminating decimals
22. Comparing decimal fractions
variables
Add zeros to decimals until all decimals have same number of digits
least
place value
23. Number divisible by 3
compute
Sum of digits divisible by 3
improper fraction
Last digit divisible by 2
24. The answer to a subtraction problem
difference
Add zeros to decimals until all decimals have same number of digits
place value
product
25. How much a number is worth
Invert second term - then multiply
whole number
Divide by 100%
value
26. A set of operators - numbers - variables and grouping symbols; no equal sign
Last two digits divisible by 4
compute
expression
place value
27. Able to be divided evenly (without a remainder)
divisibility by 3 rule
Value occurring most frequently
Number w/o signs
divisible
28. 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)
Same numerators: fraction w/ smaller denominator has larger value; Same denominators: fraction w/ larger numerator has larger value
rational numbers
associative property
Divisible by 2 and 3
29. To find the answer for; solve
evaluate
Middle value
improper fraction
greatest
30. The difference between the greatest and the least numbers in a set of data.
range
Total A/total B
odd number
Multiply by power of 10 so divisor is integer; decimal point is above that in dividend
31. Comparing positive fractions
Distributive law: multiply by LCM of all denominators; treat numerator/denominator separately
prime factorization
Same numerators: fraction w/ smaller denominator has larger value; Same denominators: fraction w/ larger numerator has larger value
number line
32. Mode
Add zeros to decimals until all decimals have same number of digits
Multiply by power of 10 so divisor is integer; decimal point is above that in dividend
Invert second term - then multiply
Value occurring most frequently
33. 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
Reduce diagonally/vertically then multiply numerators and denominators
constants
associative property
34. Two expressions that are set equal to each other; a number sentence with an equal sign
(Amount of increase/original whole) x100%
commutative property
number line
equation
35. The expression of a number as a product of prime factors; use a factor tree!
Distributive law: multiply by LCM of all denominators; treat numerator/denominator separately
difference
odd number
prime factorization
36. 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
Value occurring most frequently
percent
product
37. To find a number that is close to an exact answer - E.g. 23+24 is around 50
Original whole +/- amount of change
terminating decimals
number line
estimate
38. To perform a calculation - E.g. 2+2=4
whole number
compute
least common multiple
percent
39. Add up the digits; if the sum is a multiple of 3 the number is divisible by 3
divisibility by 3 rule
prime factorization
prime number
product
40. Be identical or equivalent to
prime number
equal
Distributive law: multiply by LCM of all denominators; treat numerator/denominator separately
divisibility by 3 rule
41. Number divisible by 6
Divisible by 2 and 3
perfect square
improper fraction
mixed number
42. The largest number in a group of numbers
common denominator
greatest
Drop percent - move decimal point two place to left
Adding/subtracting 0 from number doesn't change number; number multiplied by 0 is 0; division by 0 undefined
43. Dividing decimals
rational numbers
numerator
Multiply by power of 10 so divisor is integer; decimal point is above that in dividend
divisible
44. A number made up of a whole number and a fraction
expanded form using exponents
compatible numbers
Sum of values/number of values
mixed number
45. Probability
odd
Number of desired outcomes/number of total possible outcomes
expression
Probability for each event then multiply individual probabilities together
46. 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
difference
least
inverse property
range
47. 1/5 + 1/4=4/20 +5/20 and 20 is the...
Multiply by power of 10 so divisor is integer; decimal point is above that in dividend
Value occurring most frequently
common denominator
Last two digits divisible by 4
48. odd + even
greatest common factor
Number of decimal places is total number of decimals places in factors multiplied
commutative property
odd
49. Percent increase
less than
simplify
rational numbers
(Amount of increase/original whole) x100%
50. The value of a digit based on its position within a number - e.g. 2 -432 The position of the numbers
place value
common denominator
Drop percent - move decimal point two place to left
Divide by 100%
Sorry!:) No result found.
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