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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. Number divisible by 3
value
Sum of digits divisible by 3
even number
mixed number
2. Number divisible by 2
Last digit divisible by 2
prime factorization
sum
denominator
3. Two expressions that are set equal to each other; a number sentence with an equal sign
estimate
Total A/total B
equation
Last digit 0 or 5
4. Comparing decimal fractions
Add zeros to decimals until all decimals have same number of digits
repeating decimals
factor
Divide out largest common factor
5. odd + odd
even
identity property
square number
Middle value
6. Number divisible by 4
Divisible by 2 and 3
Value occurring most frequently
Line up decimal points
Last two digits divisible by 4
7. A property indicating a special way in which multiplication is applied to addition of two or more numbers in which each term inside a set of parentheses can be multiplied by a factor outside the parentheses - such as a(b + c) = ab + ac - or 7x (4+1)=
even number
distributive property
(Amount of increase/original whole) x100%
Multiply by power of 10 so divisor is integer; decimal point is above that in dividend
8. A number with one or more digits to the right of the decimal point - E.g. .33
odd number
Part
decimal
distributive property
9. A letter that represents a value that may change
compatible numbers
Part
variables
equivalent
10. 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
proportion
whole number
identity property
least
11. Simplifying complex fractions: two methods
decimal
even
prime factorization
Distributive law: multiply by LCM of all denominators; treat numerator/denominator separately
12. Mode
Value occurring most frequently
Divisible by 2 and 3
percent
whole number
13. A comparison of 2 numbers; one form is a fraction
denominator
ratio
perfect square
Add zeros to decimals until all decimals have same number of digits
14. The difference between the greatest and the least numbers in a set of data.
Total A/total B
range
associative property
Add zeros to decimals until all decimals have same number of digits
15. Properties of numbers btw -1 and 1
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16. Number divisible by 5
Last digit 0 or 5
Same numerators: fraction w/ smaller denominator has larger value; Same denominators: fraction w/ larger numerator has larger value
even
Distributive law: multiply by LCM of all denominators; treat numerator/denominator separately
17. PEMDAS - Parentheses - Exponents - Multiplication & Division (L to R) - Addition & Subtraction (L to R)
Middle value
order of operations
Line up decimal points
even
18. A number without fractions; an integer- E.g. 0 - 1 - 2 - 3 - 4 - 5 - 6 - 7 - 8 - 9...
(Amount of decrease/original whole) x100%
whole number
least
compensation
19. Absolute value of number
Drop percent - move decimal point two place to left
Add zeros to decimals until all decimals have same number of digits
product
Number w/o signs
20. Any whole number that ends with 0 - 2 - 4 - 6 - or 8 - any whole number that can be divided by 2
exponents
even number
square number
improper fraction
21. Be identical or equivalent to
equal
Sum of digits divisible by 3
denominator
mixed number
22. Reciprocal of number
Divide out largest common factor
1 dividing by number
Divisible by 2 and 3
number line
23. The expression of a number as a product of prime factors; use a factor tree!
prime factorization
place value
product
equal
24. A number made up of a whole number and a fraction
least common multiple
common denominator
mixed number
divisible
25. The smallest number in a group of numbers
(Amount of increase/original whole) x100%
least common multiple
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
least
26. Adding/subtracting decimals
compute
order of operations
inverse property
Line up decimal points
27. Rational numbers that expressed in decimal format that have fixed number of digits. 1.5 etc.
LCM is LCD
terminating decimals
Divide by 100%
difference
28. Average value
greatest common factor
Sum of values/number of values
Sum of digits divisible by 9
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
29. 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
Middle value
Sum of values/number of values
range
30. Properties of 1 and -1
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31. To find the answer for; solve
number line
Original whole +/- amount of change
evaluate
distributive property
32. 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
Same numerators: fraction w/ smaller denominator has larger value; Same denominators: fraction w/ larger numerator has larger value
improper fraction
irrational numbers
least
33. Multiplying fractions
numerator
not equal
square number
Reduce diagonally/vertically then multiply numerators and denominators
34. A number with only two factors - one and itself - E.g. 3 -7 -11 -13 -17 -19...
inverse property
ratio
prime number
terminating decimals
35. New whole
Reduce diagonally/vertically then multiply numerators and denominators
Original whole +/- amount of change
Multiply by 100%
estimate
36. Properties of 0
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37. The answer to a subtraction problem
difference
not equal
Divide by 100%
simplify
38. odd + even
odd
compensation
Adding/subtracting 0 from number doesn't change number; number multiplied by 0 is 0; division by 0 undefined
Value occurring most frequently
39. Number divisible by 6
repeating decimals
distributive property
ratio
Divisible by 2 and 3
40. Answer to a division problem
equal
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
LCM is LCD
quotient
41. A line for representing and graphing numbers. Each point on the line corresponds to a number.
least common multiple
least
number line
Sum of values/number of values
42. To change a percent to a decimal
Drop percent - move decimal point two place to left
quotient
Reduce diagonally/vertically then multiply numerators and denominators
product
43. Two numbers or expressions that mean the same thing - E.g. 2/3=4/6
greatest
Number of decimal places is total number of decimals places in factors multiplied
equivalent
Divide out largest common factor
44. 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
greater than
Middle value
sum
45. Standard deviation: greater if...
Multiply by power of 10 so divisor is integer; decimal point is above that in dividend
fraction
Greater spread in values
prime number
46. To find a number that is close to an exact answer - E.g. 23+24 is around 50
estimate
product
value
factor
47. 8x8=64 What is 64?
perfect square
decimal
difference
compensation
48. Reducing fractions
Value occurring most frequently
Distributive law: multiply by LCM of all denominators; treat numerator/denominator separately
Divide out largest common factor
Greater spread in values
49. Numbers that are easy to compute mentally - E.g. 34 / 5 is close to 35 / 5
compatible numbers
least common multiple
digit
number line
50. Any of the symbols used to write numbers (0 - 1 - 2 - 3 - 4 - 5 - 6 - 7 - 8 - 9)
compute
digit
Last two digits divisible by 4
Last digit divisible by 2