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Test your basic knowledge |
Important Math Facts
Start Test
Study First
Subject
:
math
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. To express a ______ as a _______ - rewrite the percent as a fraction with a denominator of 100 - and then express the fraction as a decimal.
diameter
percent decimal
unit rate
divide mixed numbers
2. ______________ 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.
place value
associative
line of symmetry
Complementary events
3. A ___________ is a proportion with one fraction with a denominator of 1.
rectangular prism
unit rate
common - or like - denominators
commutative
4. The _________ states that multiplying a sum by a number is the same as multiplying each addend by that number and then adding the two products. For example - 3(8 + 2) = (3 x 8) + (3 x 2).
multiply fractions
is less than
rotation
distributive property
5. When you add or subtract _________ that have the same or like denominators - you only add or subtract the numerators. The denominator stays the same.
proportion
histogram
fractions
divide fractions
6. _________ - _________ - and_______may be written by first writing each one as a fraction with a denominator of 100.
unit rate
Equivalent fractions - decimals - and percents
is less than
complementary
7. Similar figures have the same shape but different sizes. The symbol ~ means _________ .
percent decimal
vertex
is similar to
is less than
8. The ___________ of a circle is equal to π times its diameter or π times twice its radius. C = π d or C = 2 π r.
frequency table
circumference
diameter
is greater than
9. A _______ is a ratio that compares a number to 100.
percent
multiply fractions
tree diagram
compare
10. The opposite of a positive integer is a ________ .
negative integer
ratio
symmetric
exponents
11. A figure that can be rotated 180° about a point so that it matches the original figure has ______ .
multiply fractions
point symmetry
reflection
sample space
12. To ____________ - replace the divisor with its reciprocal and then multiply to get your answer.
circumference
percent
divide fractions
is greater than or equal to
13. The _________ of an integer is the distance of the integer from zero.
rate
absolute value
vertex
circumference
14. The __________ of a solid is the total area of its exterior surfaces.
surface area
exponents
factor
commutative
15. A ___________is for organizing a set of data that shows the number of times each item or number appears.
frequency table
point symmetry
order of operations
percent decimal
16. ___________ is a number that can be written using an exponent. For example - 3² means three to the second power.
negative integer
Power
exponents
inequality
17. An ___________ is a combination of numbers - variables - and operations.
algebraic expression
divide mixed numbers
distributive property
Equivalent fractions - decimals - and percents
18. 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.
is greater than or equal to
frequency table
vertex
measures of central tendency
19. Two angles are ___________ if the sum of their measures is 180°.
supplementary
symmetric
stem-and-leaf plot
associative
20. A _________ has six rectangular faces. To find the surface area - find the sum of the areas of the six faces.
frequency table
rectangular prism
comparison
rate
21. An approximation of pi is 3.14 - or _______ .
associative
is less than or equal to
22/7
histogram
22. Two angles are ___________ if the sum of their measures is 90°.
tree diagram
scientific notation
complementary
rotation
23. The symbol < is read as ________ .
is less than
Power
exponents
reflection
24. A _______ is the comparison of two numbers by division.
tree diagram
frequency table
divide mixed numbers
ratio
25. An _________ is a mathematical sentence that contains < - > - ≠- ≤ - or ≥ .
Complementary events
inequality
comparison
rectangular prism
26. A _______ is a comparison of two numbers with different units of measure.
inequality
rate
tree diagram
cylinder
27. To _____________ - express the mixed numbers as improper fractions - multiply - and simplify the results.
multiply mixed numbers
scale
line of symmetry
rate
28. The rules to follow when more than one operation is used are called the ___________.
circumference
multiply fractions
is greater than or equal to
order of operations
29. The symbol ≥ is read as ______________.
unit rate
is greater than or equal to
negative integer
percent decimal
30. Both addition and multiplication are _________ . This means that order doesnÂft change the sum or product.
compare
is less than
surface area
commutative
31. Prime factorization can be written using ________ . For example - 2 x 2 x 3 = 2² x 3
exponents
multiply fractions
equation
reflection
32. The set of ________ consists of the positive whole numbers - zero - and the opposites of the positive whole numbers.
integers
rate
is less than or equal to
sample
33. Both addition and multiplication are __________ . This means that grouping addends or factors will not change the sum or product.
rectangular prism
tree diagram
symmetric
associative
34. The symbol ______ means percent.
histogram
%
22/7
measures of central tendency
35. 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.
ordered pair - (x -y)
Complementary events
Equivalent fractions - decimals - and percents
base
36. The set of all possible outcomes is _____________.
rotation
22/7
ratio
sample space
37. The ________ is used to represent the ratio of distance on the map to the actual distance.
complementary
percent
scale
sample space
38. The _________ of a circle is twice the length of the radius.
subtract mixed numbers
histogram
diameter
line of symmetry
39. A _________ is a special kind of bar graph that shows frequency of data.
common denominator
histogram
proportion
is greater than or equal to
40. Use __________ to compare two decimals - using the order symbols.
22/7
reflection
place value
is greater than or equal to
41. A _________ is a randomly-selected group that is used to represent a whole population.
compare
Equivalent fractions - decimals - and percents
sample
circumference
42. The ________ of an angle is the common endpoint of the rays forming the angle.
percent fraction
vertex
circumference
rate
43. Use number lines to ________ two decimals.
is greater than or equal to
subtract mixed numbers
compare
stem-and-leaf plot
44. The line or the fold is called the __________ .
surface area
line of symmetry
factor
Equivalent fractions - decimals - and percents
45. To express a ______ as ________a - express the percent as a fraction with a denominator of 100 - then simplify.
complementary
percent fraction
Complementary events
variable
46. To ___________ - multiply the numerators and then multiply the denominators. Write the product in lowest terms.
associative
multiply fractions
%
frequency table
47. 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.
measures of central tendency
evaluate
common - or like - denominators
compare
48. An ________ is a mathematical sentence that contains the equal sign.
equation
complementary
point symmetry
reflection
49. In a power - the number of times the base is used as a factor is the ________ . In 5³ - the exponent is 3.
stem-and-leaf plot
exponent
commutative
factor
50. If a figure can be divided in half by a line so that the two halves match each other - the figure is __________ .
ratio
stem-and-leaf plot
symmetric
scale