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Test your basic knowledge |
Important Math Facts
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Study First
Subject
:
math
Instructions:
Answer 50 questions in 15 minutes.
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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. ______________ are two events in which either one or the other must take place - but they cannot both happen at the same time. The sum of their probabilities is one.
is similar to
Complementary events
fractions
line of symmetry
2. To ___________ - multiply the numerators and then multiply the denominators. Write the product in lowest terms.
multiply fractions
absolute value
sample
common denominator
3. In a __________ - an object slides from one position to another without changing its size or shape.
translation
ordered pair - (x -y)
scientific notation
Opposite
4. Use number lines to ________ two decimals.
is less than or equal to
compare
sample space
common denominator
5. A ___________is for organizing a set of data that shows the number of times each item or number appears.
is less than
Power
vertex
frequency table
6. To add mixed numbers with unlike denominators - write equivalent fractions with a ___________ . Add the whole numbers and add the fractions.
stem-and-leaf plot
order of operations
common denominator
variable
7. To express a ______ as ________a - express the percent as a fraction with a denominator of 100 - then simplify.
Opposite
ordered pair - (x -y)
rotation
percent fraction
8. A diagram used to show the total number of possible outcomes in a probability experiment is called a _____________.
tree diagram
reflection
comparison
negative integer
9. Both addition and multiplication are _________ . This means that order doesnÂft change the sum or product.
cylinder
22/7
commutative
scientific notation
10. A ___________ is a transformation that turns a line or shape around a fixed point.
histogram
line of symmetry
rotation
variable
11. The set of all possible outcomes is _____________.
is less than
tree diagram
sample space
absolute value
12. A _________ is a randomly-selected group that is used to represent a whole population.
distributive property
sample
point symmetry
Equivalent fractions - decimals - and percents
13. To ____________ - replace the divisor with its reciprocal and then multiply to get your answer.
frequency table
place value
divide fractions
factor
14. The ____________ of a circle is always a little more than three times the diameter.
surface area
frequency table
circumference
line of symmetry
15. The symbol < is read as ________ .
is less than
exponent
scientific notation
inequality
16. The surface area of a __________ is the sum of the areas of two circles and a rectangle.
frequency table
unit rate
cylinder
histogram
17. Two angles are ___________ if the sum of their measures is 180°.
supplementary
inequality
stem-and-leaf plot
tree diagram
18. A _________ is an equation that shows two ratios are equivalent.
rate
surface area
proportion
frequency table
19. Both addition and multiplication are __________ . This means that grouping addends or factors will not change the sum or product.
circumference
associative
Equivalent fractions - decimals - and percents
integers
20. If a figure can be divided in half by a line so that the two halves match each other - the figure is __________ .
symmetric
unit rate
translation
variable
21. An _________ is a mathematical sentence that contains < - > - ≠- ≤ - or ≥ .
inequality
rotation
is less than
complementary
22. The rules to follow when more than one operation is used are called the ___________.
order of operations
compare
mixed numbers
is similar to
23. The symbol > is read as _________.
is greater than
common denominator
multiply fractions
compare
24. Instead of writing large numbers with all the zeros - you can use _________ . For example - 4 -250 -000 -000 = 4.25 x 10â¹.
scientific notation
is similar to
inequality
commutative
25. The symbol ≥ is read as ______________.
is greater than or equal to
reflection
ordered pair - (x -y)
proportion
26. Use __________ to compare two decimals - using the order symbols.
inequality
symmetric
place value
histogram
27. The ________ of an angle is the common endpoint of the rays forming the angle.
unit rate
22/7
translation
vertex
28. A _______ is the comparison of two numbers by division.
ratio
is greater than
scientific notation
frequency table
29. _________ - _________ - and_______may be written by first writing each one as a fraction with a denominator of 100.
is less than
complementary
Equivalent fractions - decimals - and percents
circumference
30. The symbol ______ means percent.
common denominator
supplementary
percent
%
31. The line or the fold is called the __________ .
inequality
line of symmetry
percent decimal
point symmetry
32. Prime factorization can be written using ________ . For example - 2 x 2 x 3 = 2² x 3
exponents
histogram
fractions
common denominator
33. A _______ is a ratio that compares a number to 100.
percent
is greater than
equation
measures of central tendency
34. A figure that can be rotated 180° about a point so that it matches the original figure has ______ .
scale
Power
point symmetry
distributive property
35. _________ integers are the same distance from zero in opposite directions on the number line.
Opposite
scientific notation
ordered pair - (x -y)
divide fractions
36. A ___________ is a proportion with one fraction with a denominator of 1.
unit rate
common denominator
symmetric
variable
37. When you add or subtract _________ that have the same or like denominators - you only add or subtract the numerators. The denominator stays the same.
evaluate
commutative
Power
fractions
38. A _________ is a symbol - usually a letter - used to represent a number.
reflection
mixed numbers
variable
frequency table
39. The __________ of a solid is the total area of its exterior surfaces.
surface area
subtract mixed numbers
unit rate
tree diagram
40. An ________ is a mathematical sentence that contains the equal sign.
equation
base
tree diagram
multiply fractions
41. A _____________ is a system used to condense a set of data where the greatest place value of the data forms the stem and next greatest place value forms the leaves.
integers
factor
22/7
stem-and-leaf plot
42. The ______________ are the numbers of pieces of data that can represent the whole set of data. These common measures of central tendency are mean - median - and mode.
subtract mixed numbers
circumference
is less than
measures of central tendency
43. ___________ is a number that can be written using an exponent. For example - 3² means three to the second power.
measures of central tendency
mixed numbers
Power
integers
44. Similar figures have the same shape but different sizes. The symbol ~ means _________ .
algebraic expression
distributive property
rotation
is similar to
45. In a power - the number used as a factor is the base. In 10³ - the ________ is 10. That is - 10³ = 10 X 10 X 10.
base
unit rate
percent fraction
measures of central tendency
46. The opposite of a positive integer is a ________ .
rectangular prism
reflection
proportion
negative integer
47. To express a ______ as a _______ - rewrite the percent as a fraction with a denominator of 100 - and then express the fraction as a decimal.
ratio
negative integer
divide fractions
percent decimal
48. To _____________ - express the mixed numbers as improper fractions - multiply - and simplify the results.
unit rate
complementary
evaluate
multiply mixed numbers
49. To add or subtract fractions with unlike denominators - you need to change the fractions to equivalent fractions with ____________ before you find the sum or difference.
cylinder
common - or like - denominators
diameter
tree diagram
50. When two or more numbers are multiplied - each number is called a _________ .
factor
is similar to
complementary
scale
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