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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. Adding/subtracting fractions
fraction
LCM is LCD
even number
difference
2. A number without fractions; an integer- E.g. 0 - 1 - 2 - 3 - 4 - 5 - 6 - 7 - 8 - 9...
percent
numerator
whole number
rational numbers
3. Average A per B
factor pair
fraction
(Amount of decrease/original whole) x100%
Total A/total B
4. 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)
product
percent
factor pair
associative property
5. Rational numbers in decimal form that have a block of on or more digits that repeat continuously
Value occurring most frequently
not equal
product
repeating decimals
6. A number written in expanded form with the place values written in exponential form - E.g. 2432=2000+400+30+2
Divide out largest common factor
Last two digits divisible by 4
expanded form using exponents
Distributive law: multiply by LCM of all denominators; treat numerator/denominator separately
7. A whole number such as 1 - 3 - 5 and so on that cannot be evenly divisible by 2
factor
order of operations
(Amount of increase/original whole) x100%
odd number
8. Multiplying fractions
expanded form using exponents
mixed number
repeating decimals
Reduce diagonally/vertically then multiply numerators and denominators
9. Number divisible by 6
Divisible by 2 and 3
number line
even
Total A/total B
10. Answer to a division problem
Divisible by 2 and 3
numerator
quotient
(Amount of increase/original whole) x100%
11. The difference between the greatest and the least numbers in a set of data.
greater than
range
Divide out largest common factor
Part
12. odd + even
fraction
perfect square
Invert second term - then multiply
odd
13. To drop a percent
difference
factor pair
percent
Divide by 100%
14. Comparing positive fractions
Greater spread in values
Same numerators: fraction w/ smaller denominator has larger value; Same denominators: fraction w/ larger numerator has larger value
whole number
Line up decimal points
15. An equation showing 2 ratios are equal
proportion
LCM is LCD
identity property
even
16. Numbers that are easy to compute mentally - E.g. 34 / 5 is close to 35 / 5
compatible numbers
greatest common factor
composite number
proportion
17. 8x8=64 What is 64?
sum
distributive property
perfect square
compute
18. Two factors together that are multiplied to equal a larger number.
Adding/subtracting 0 from number doesn't change number; number multiplied by 0 is 0; division by 0 undefined
repeating decimals
factor pair
improper fraction
19. A number with more than two factors
Distributive law: multiply by LCM of all denominators; treat numerator/denominator separately
Probability for each event then multiply individual probabilities together
composite number
repeating decimals
20. Percent decrease
Probability for each event then multiply individual probabilities together
mixed number
product
(Amount of decrease/original whole) x100%
21. A number with one or more digits to the right of the decimal point - E.g. .33
Add zeros to decimals until all decimals have same number of digits
commutative property
Last digit divisible by 2
decimal
22. Any whole number that ends with 0 - 2 - 4 - 6 - or 8 - any whole number that can be divided by 2
Greater spread in values
even number
product
quotient
23. Probability
Part
Drop percent - move decimal point two place to left
constants
Number of desired outcomes/number of total possible outcomes
24. Multiplying decimals
Number of decimal places is total number of decimals places in factors multiplied
factor pair
numerator
divisibility by 3 rule
25. Dividing fractions
constants
Sum of values/number of values
Invert second term - then multiply
number line
26. A fraction out of 100 - %
commutative property
percent
range
greater than
27. Percent x whole
order of operations
rational numbers
irrational numbers
Part
28. Comparing decimal fractions
Add zeros to decimals until all decimals have same number of digits
Multiply by 100%
Total A/total B
odd
29. To find a number that is close to an exact answer - E.g. 23+24 is around 50
Original whole +/- amount of change
estimate
percent
expression
30. 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)=
distributive property
constants
fraction
Distributive law: multiply by LCM of all denominators; treat numerator/denominator separately
31. Number divisible by 3
Total A/total B
Sum of digits divisible by 3
prime factorization
compatible numbers
32. 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)
denominator
commutative property
root numbers
Add zeros to decimals until all decimals have same number of digits
33. A number made up of a whole number and a fraction
factor pair
Greater spread in values
even number
mixed number
34. Number divisible by 4
prime factorization
associative property
expression
Last two digits divisible by 4
35. To make a percent
Multiply by 100%
fraction
compensation
Distributive law: multiply by LCM of all denominators; treat numerator/denominator separately
36. Average value
decimal
Sum of values/number of values
Drop percent - move decimal point two place to left
place value
37. To place a fraction in lowest terms
simplify
irrational numbers
percent
terminating decimals
38. Not identical or equivalent to
denominator
not equal
Last digit divisible by 2
prime factorization
39. The answer to a subtraction problem
associative property
difference
commutative property
identity property
40. A number that results from multiplying a factor by itself
square number
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
1 dividing by number
common denominator
41. 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
Last digit 0 or 5
divisible
perfect square
42. Mode
Value occurring most frequently
difference
range
fraction
43. Number divisible by 2
denominator
Last digit divisible by 2
Divide by 100%
perfect square
44. New whole
inverse property
greatest
factor pair
Original whole +/- amount of change
45. 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
Number w/o signs
even
factor pair
irrational numbers
46. odd + odd
Reduce diagonally/vertically then multiply numerators and denominators
identity property
sum
even
47. Multiple-event probability
Last digit divisible by 2
Probability for each event then multiply individual probabilities together
irrational numbers
Total A/total B
48. 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.
compensation
place value
repeating decimals
equal
49. Be identical or equivalent to
rational numbers
exponents
equal
not equal
50. Number divisible by 9
value
Sum of digits divisible by 9
proportion
place value