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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. The value of a digit based on its position within a number - e.g. 2 -432 The position of the numbers
identity property
place value
terminating decimals
prime number
2. Choosing numbers close to the numbers in a problem - and then adjusting the answer to compensate for the numbers chosen - E.g. 23 + 18 and 23+20=43 Since 2 was added to 18 to make 20 - we need to take 2 away from 43.
Sum of digits divisible by 3
Probability for each event then multiply individual probabilities together
compensation
mixed number
3. The answer to an addition problem
exponents
Divide by 100%
sum
difference
4. Properties of 1 and -1
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5. Natural Numbers - Whole Numbers - Integers - Rational Numbers
odd number
Sum of values/number of values
rational numbers
Add zeros to decimals until all decimals have same number of digits
6. Dividing fractions
inverse property
range
Value occurring most frequently
Invert second term - then multiply
7. Number divisible by 3
least
greater than
Multiply by 100%
Sum of digits divisible by 3
8. Average value
range
compatible numbers
Divide by 100%
Sum of values/number of values
9. Percent x whole
equal
Part
least common multiple
product
10. A fraction out of 100 - %
percent
improper fraction
exponents
Last two digits divisible by 4
11. Comparing positive fractions
difference
Invert second term - then multiply
Original whole +/- amount of change
Same numerators: fraction w/ smaller denominator has larger value; Same denominators: fraction w/ larger numerator has larger value
12. Number divisible by 9
Add zeros to decimals until all decimals have same number of digits
Drop percent - move decimal point two place to left
Sum of digits divisible by 9
value
13. odd + even
variables
odd
greater than
Divide out largest common factor
14. Answer to a division problem
Divide by 100%
Divide out largest common factor
Last two digits divisible by 4
quotient
15. Not identical or equivalent to
quotient
mixed number
not equal
difference
16. Two numbers or expressions that mean the same thing - E.g. 2/3=4/6
equivalent
greatest common factor
equal
sum
17. Absolute value of number
proportion
Number w/o signs
not equal
greater than
18. Relationship in which a number is smaller than another
Greater spread in values
less than
product
inverse property
19. 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
order of operations
inverse property
less than
expanded form using exponents
20. Any of the symbols used to write numbers (0 - 1 - 2 - 3 - 4 - 5 - 6 - 7 - 8 - 9)
rational numbers
simplify
estimate
digit
21. Reciprocal of number
greatest common factor
variables
1 dividing by number
range
22. A shortcut for writing repeated multiplication
exponents
rational numbers
composite number
fraction
23. A number written in expanded form with the place values written in exponential form - E.g. 2432=2000+400+30+2
Sum of values/number of values
terminating decimals
expanded form using exponents
Value occurring most frequently
24. To find the answer for; solve
evaluate
compensation
Probability for each event then multiply individual probabilities together
odd number
25. A number with only two factors - one and itself - E.g. 3 -7 -11 -13 -17 -19...
prime number
greatest
commutative property
Value occurring most frequently
26. In 4x4=16 - what is 4?
composite number
root numbers
product
associative property
27. A number with one or more digits to the right of the decimal point - E.g. .33
decimal
odd number
estimate
LCM is LCD
28. The expression of a number as a product of prime factors; use a factor tree!
Number of desired outcomes/number of total possible outcomes
prime factorization
rational numbers
greatest
29. Two expressions that are set equal to each other; a number sentence with an equal sign
digit
numerator
equation
compensation
30. A number made up of a whole number and a fraction
Multiply by 100%
exponents
perfect square
mixed number
31. Multiple-event probability
least common multiple
order of operations
commutative property
Probability for each event then multiply individual probabilities together
32. PEMDAS - Parentheses - Exponents - Multiplication & Division (L to R) - Addition & Subtraction (L to R)
Drop percent - move decimal point two place to left
order of operations
percent
irrational numbers
33. Properties of 0
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34. To change a percent to a decimal
factor
digit
Drop percent - move decimal point two place to left
divisible
35. Number divisible by 4
improper fraction
greatest common factor
Last two digits divisible by 4
Number of desired outcomes/number of total possible outcomes
36. The answer to a subtraction problem
Value occurring most frequently
composite number
difference
simplify
37. Answer to a multiplication problem
product
whole number
Drop percent - move decimal point two place to left
LCM is LCD
38. 8x8=64 What is 64?
constants
perfect square
1 dividing by number
sum
39. 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)
numerator
repeating decimals
sum
associative property
40. Two factors together that are multiplied to equal a larger number.
factor pair
distributive property
inverse property
prime factorization
41. Number divisible by 5
Number of decimal places is total number of decimals places in factors multiplied
Last digit 0 or 5
exponents
Number of desired outcomes/number of total possible outcomes
42. To perform a calculation - E.g. 2+2=4
Invert second term - then multiply
compute
equation
factor pair
43. The smallest number in a group of numbers
commutative property
least
square number
greater than
44. Any whole number that ends with 0 - 2 - 4 - 6 - or 8 - any whole number that can be divided by 2
(Amount of increase/original whole) x100%
equation
estimate
even number
45. A number with more than two factors
range
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
Multiply by 100%
composite number
46. 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)=
equivalent
improper fraction
(Amount of increase/original whole) x100%
distributive property
47. The smallest number that is a multiple of both numbers. (the LCM of 15 and 6 is 30)
least common multiple
Adding/subtracting 0 from number doesn't change number; number multiplied by 0 is 0; division by 0 undefined
percent
factor pair
48. A number that results from multiplying a factor by itself
square number
associative property
Greater spread in values
proportion
49. Adding/subtracting fractions
even number
Probability for each event then multiply individual probabilities together
identity property
LCM is LCD
50. New whole
equivalent
Original whole +/- amount of change
(Amount of decrease/original whole) x100%
identity property