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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. A _________ is a randomly-selected group that is used to represent a whole population.
sample
algebraic expression
inequality
complementary
2. A _________ is a symbol - usually a letter - used to represent a number.
ordered pair - (x -y)
variable
comparison
distributive property
3. Two angles are ___________ if the sum of their measures is 90°.
complementary
surface area
integers
is greater than
4. To _________ - write the mixed numbers as improper fractions. Replace the divisor with its reciprocal and multiply.
divide mixed numbers
tree diagram
common denominator
circumference
5. Prime factorization can be written using ________ . For example - 2 x 2 x 3 = 2² x 3
negative integer
diameter
reflection
exponents
6. To express a ______ as a _______ - rewrite the percent as a fraction with a denominator of 100 - and then express the fraction as a decimal.
measures of central tendency
reflection
percent decimal
Power
7. A diagram used to show the total number of possible outcomes in a probability experiment is called a _____________.
rectangular prism
exponents
percent
tree diagram
8. 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.
comparison
common denominator
translation
measures of central tendency
9. A _________ is an equation that shows two ratios are equivalent.
surface area
proportion
is similar to
percent
10. Make a __________ of an integer by using its placement on the number line.
Opposite
reflection
complementary
comparison
11. An ___________ is a combination of numbers - variables - and operations.
algebraic expression
scale
associative
sample
12. The symbol ≤ is read as __________ .
common - or like - denominators
cylinder
surface area
is less than or equal to
13. A ___________ is a transformation that turns a line or shape around a fixed point.
rotation
factor
%
point symmetry
14. To add mixed numbers with unlike denominators - write equivalent fractions with a ___________ . Add the whole numbers and add the fractions.
sample space
common denominator
frequency table
circumference
15. To add ____________ with common denominators - write the sum of the numerators over the common denominators. Then add the whole numbers.
subtract mixed numbers
22/7
surface area
mixed numbers
16. To ____________ - replace the divisor with its reciprocal and then multiply to get your answer.
divide fractions
percent
tree diagram
line of symmetry
17. To ___________ - multiply the numerators and then multiply the denominators. Write the product in lowest terms.
multiply fractions
percent fraction
percent decimal
tree diagram
18. The ________ is used to represent the ratio of distance on the map to the actual distance.
mixed numbers
scale
associative
integers
19. The set of ________ consists of the positive whole numbers - zero - and the opposites of the positive whole numbers.
stem-and-leaf plot
subtract mixed numbers
integers
Complementary events
20. A _______ is a ratio that compares a number to 100.
percent
exponent
divide mixed numbers
algebraic expression
21. _________ - _________ - and_______may be written by first writing each one as a fraction with a denominator of 100.
complementary
rotation
factor
Equivalent fractions - decimals - and percents
22. If a figure can be divided in half by a line so that the two halves match each other - the figure is __________ .
is less than
exponent
absolute value
symmetric
23. The symbol ≥ is read as ______________.
multiply fractions
fractions
is greater than or equal to
divide fractions
24. The ____________ of a circle is always a little more than three times the diameter.
divide mixed numbers
common denominator
circumference
vertex
25. 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.
sample space
percent
stem-and-leaf plot
is greater than or equal to
26. To express a ______ as ________a - express the percent as a fraction with a denominator of 100 - then simplify.
distributive property
scale
percent
percent fraction
27. A ___________ is a proportion with one fraction with a denominator of 1.
unit rate
rotation
exponents
factor
28. To ______________ - if the denominators are unlike - write equivalent fractions with a common denominator. Subtract the fractions first - and rename if necessary. Then subtract the whole numbers. Simplify if possible.
subtract mixed numbers
sample
equation
rectangular prism
29. The _________ of an integer is the distance of the integer from zero.
integers
commutative
absolute value
multiply fractions
30. The line or the fold is called the __________ .
unit rate
line of symmetry
point symmetry
common - or like - denominators
31. The opposite of a positive integer is a ________ .
common denominator
complementary
negative integer
absolute value
32. Use __________ to compare two decimals - using the order symbols.
place value
inequality
%
mixed numbers
33. The __________ of a solid is the total area of its exterior surfaces.
multiply fractions
surface area
exponents
factor
34. When two or more numbers are multiplied - each number is called a _________ .
rate
cylinder
factor
absolute value
35. The _________ of a circle is twice the length of the radius.
sample space
diameter
complementary
rectangular prism
36. The symbol > is read as _________.
unit rate
common - or like - denominators
complementary
is greater than
37. In a__________ - an object flips over a line without changing its size or shape.
integers
point symmetry
reflection
compare
38. Similar figures have the same shape but different sizes. The symbol ~ means _________ .
is greater than
common - or like - denominators
is similar to
tree diagram
39. ______________ 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.
negative integer
rectangular prism
%
Complementary events
40. To __________ an algebraic expression means to substitute a value for the variables and apply the rules for order of operation.
vertex
stem-and-leaf plot
evaluate
reflection
41. A _______ is a comparison of two numbers with different units of measure.
rate
factor
base
ratio
42. Both addition and multiplication are __________ . This means that grouping addends or factors will not change the sum or product.
diameter
associative
mixed numbers
integers
43. When you add or subtract _________ that have the same or like denominators - you only add or subtract the numerators. The denominator stays the same.
commutative
evaluate
Complementary events
fractions
44. 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.
%
frequency table
divide fractions
common - or like - denominators
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.
exponent
evaluate
is similar to
base
46. A ___________is for organizing a set of data that shows the number of times each item or number appears.
frequency table
measures of central tendency
evaluate
unit rate
47. In a power - the number of times the base is used as a factor is the ________ . In 5³ - the exponent is 3.
order of operations
multiply mixed numbers
exponent
is similar to
48. A _________ has six rectangular faces. To find the surface area - find the sum of the areas of the six faces.
percent fraction
evaluate
rectangular prism
complementary
49. An ________ is a mathematical sentence that contains the equal sign.
translation
%
common - or like - denominators
equation
50. A figure that can be rotated 180° about a point so that it matches the original figure has ______ .
22/7
scientific notation
point symmetry
circumference