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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 answer to an addition problem
Multiply by power of 10 so divisor is integer; decimal point is above that in dividend
LCM is LCD
decimal
sum
2. Two factors together that are multiplied to equal a larger number.
factor pair
variables
square number
quotient
3. To find a number that is close to an exact answer - E.g. 23+24 is around 50
Sum of digits divisible by 9
estimate
order of operations
rational numbers
4. 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
commutative property
Sum of digits divisible by 3
inverse property
Multiply by power of 10 so divisor is integer; decimal point is above that in dividend
5. Properties of 0
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6. A whole number such as 1 - 3 - 5 and so on that cannot be evenly divisible by 2
odd number
composite number
Last digit 0 or 5
variables
7. A number with one or more digits to the right of the decimal point - E.g. .33
decimal
perfect square
proportion
factor
8. PEMDAS - Parentheses - Exponents - Multiplication & Division (L to R) - Addition & Subtraction (L to R)
constants
place value
Greater spread in values
order of operations
9. Multiple-event probability
equation
distributive property
not equal
Probability for each event then multiply individual probabilities together
10. Properties of numbers btw -1 and 1
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11. To find the answer for; solve
ratio
evaluate
Greater spread in values
value
12. Number divisible by 2
product
commutative property
square number
Last digit divisible by 2
13. Able to be divided evenly (without a remainder)
Add zeros to decimals until all decimals have same number of digits
divisible
root numbers
Drop percent - move decimal point two place to left
14. odd + even
Drop percent - move decimal point two place to left
odd
product
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
15. A number with more than two factors
1 dividing by number
composite number
fraction
product
16. Number divisible by 5
repeating decimals
value
Last digit 0 or 5
Probability for each event then multiply individual probabilities together
17. Answer to a multiplication problem
constants
product
Sum of values/number of values
Number w/o signs
18. Probability
Number of desired outcomes/number of total possible outcomes
equivalent
evaluate
exponents
19. In 4x4=16 - what is 4?
odd number
root numbers
order of operations
even
20. Number divisible by 4
(Amount of increase/original whole) x100%
perfect square
rational numbers
Last two digits divisible by 4
21. Numbers that are easy to compute mentally - E.g. 34 / 5 is close to 35 / 5
terminating decimals
Add zeros to decimals until all decimals have same number of digits
compute
compatible numbers
22. Any whole number that ends with 0 - 2 - 4 - 6 - or 8 - any whole number that can be divided by 2
sum
even number
Multiply by power of 10 so divisor is integer; decimal point is above that in dividend
greater than
23. Rational numbers in decimal form that have a block of on or more digits that repeat continuously
repeating decimals
compatible numbers
Distributive law: multiply by LCM of all denominators; treat numerator/denominator separately
common denominator
24. A number that results from multiplying a factor by itself
Middle value
composite number
product
square number
25. The bottom number in a fraction; tells how many parts a whole is divided into OR how many parts in a group - E.g. 2/4 and what position is the 4?
odd number
denominator
divisibility by 3 rule
number line
26. The number at the top of a fraction; stands for the parts of a set you are considering - E.g. 3/4 What position is 3?
estimate
Adding/subtracting 0 from number doesn't change number; number multiplied by 0 is 0; division by 0 undefined
divisible
numerator
27. Comparing positive fractions
equivalent
denominator
expression
Same numerators: fraction w/ smaller denominator has larger value; Same denominators: fraction w/ larger numerator has larger value
28. A number with only two factors - one and itself - E.g. 3 -7 -11 -13 -17 -19...
prime number
ratio
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
compensation
29. 8x8=64 What is 64?
Probability for each event then multiply individual probabilities together
Adding/subtracting 0 from number doesn't change number; number multiplied by 0 is 0; division by 0 undefined
perfect square
even number
30. Be identical or equivalent to
Last digit 0 or 5
number line
Distributive law: multiply by LCM of all denominators; treat numerator/denominator separately
equal
31. 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
Probability for each event then multiply individual probabilities together
proportion
whole number
32. Number divisible by 6
Divisible by 2 and 3
expression
expanded form using exponents
compatible numbers
33. The difference between the greatest and the least numbers in a set of data.
Part
improper fraction
Total A/total B
range
34. Two expressions that are set equal to each other; a number sentence with an equal sign
equation
proportion
sum
(Amount of decrease/original whole) x100%
35. To change a percent to a decimal
perfect square
Drop percent - move decimal point two place to left
product
Sum of values/number of values
36. When a number is larger than the other number. Example 65 > 56
Adding/subtracting 0 from number doesn't change number; number multiplied by 0 is 0; division by 0 undefined
Last digit 0 or 5
greater than
Divide out largest common factor
37. Percent increase
(Amount of increase/original whole) x100%
number line
(Amount of decrease/original whole) x100%
product
38. The smallest number in a group of numbers
Value occurring most frequently
variables
least
equal
39. The largest number in a group of numbers
Same numerators: fraction w/ smaller denominator has larger value; Same denominators: fraction w/ larger numerator has larger value
greatest
common denominator
prime factorization
40. Percent x whole
denominator
Part
not equal
even
41. Properties of 1 and -1
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42. Not identical or equivalent to
divisibility by 3 rule
prime number
not equal
greatest common factor
43. Rational numbers that expressed in decimal format that have fixed number of digits. 1.5 etc.
equation
greatest common factor
terminating decimals
Divide by 100%
44. A line for representing and graphing numbers. Each point on the line corresponds to a number.
variables
number line
Last digit 0 or 5
greater than
45. To perform a calculation - E.g. 2+2=4
range
compute
perfect square
Value occurring most frequently
46. Adding/subtracting fractions
LCM is LCD
compatible numbers
denominator
even number
47. Absolute value of number
Last two digits divisible by 4
estimate
Number w/o signs
Divide by 100%
48. Average value
improper fraction
Sum of values/number of values
divisibility by 3 rule
estimate
49. Dividing fractions
Last digit 0 or 5
Invert second term - then multiply
improper fraction
1 dividing by number
50. Answer to a division problem
digit
place value
quotient
equivalent