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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 ______________ - 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.
rate
subtract mixed numbers
multiply fractions
percent
2. The set of all possible outcomes is _____________.
divide mixed numbers
unit rate
sample space
Complementary events
3. When you add or subtract _________ that have the same or like denominators - you only add or subtract the numerators. The denominator stays the same.
equation
fractions
surface area
is greater than or equal to
4. An ________ is a mathematical sentence that contains the equal sign.
is similar to
algebraic expression
equation
reflection
5. Both addition and multiplication are __________ . This means that grouping addends or factors will not change the sum or product.
is less than or equal to
associative
variable
evaluate
6. When two or more numbers are multiplied - each number is called a _________ .
cylinder
%
factor
common - or like - denominators
7. Two angles are ___________ if the sum of their measures is 180°.
associative
exponents
supplementary
ratio
8. The ________ is used to represent the ratio of distance on the map to the actual distance.
sample
is similar to
scale
circumference
9. A figure that can be rotated 180° about a point so that it matches the original figure has ______ .
surface area
place value
point symmetry
circumference
10. To _________ - write the mixed numbers as improper fractions. Replace the divisor with its reciprocal and multiply.
compare
divide mixed numbers
line of symmetry
ratio
11. To ____________ - replace the divisor with its reciprocal and then multiply to get your answer.
divide fractions
scientific notation
is similar to
compare
12. The symbol ≤ is read as __________ .
factor
common denominator
divide fractions
is less than or equal to
13. The symbol ≥ is read as ______________.
fractions
measures of central tendency
is greater than or equal to
proportion
14. To express a ______ as ________a - express the percent as a fraction with a denominator of 100 - then simplify.
absolute value
percent fraction
distributive property
associative
15. The rules to follow when more than one operation is used are called the ___________.
percent fraction
comparison
order of operations
integers
16. Use __________ to compare two decimals - using the order symbols.
place value
symmetric
circumference
scale
17. Both addition and multiplication are _________ . This means that order doesnÂft change the sum or product.
commutative
reflection
frequency table
Equivalent fractions - decimals - and percents
18. _________ integers are the same distance from zero in opposite directions on the number line.
circumference
common - or like - denominators
commutative
Opposite
19. Two angles are ___________ if the sum of their measures is 90°.
is less than or equal to
is greater than or equal to
complementary
compare
20. A _______ is the comparison of two numbers by division.
divide mixed numbers
scale
is greater than
ratio
21. A _________ has six rectangular faces. To find the surface area - find the sum of the areas of the six faces.
is similar to
rectangular prism
subtract mixed numbers
negative integer
22. 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.
scientific notation
ordered pair - (x -y)
circumference
subtract mixed numbers
23. The symbol ______ means percent.
scientific notation
%
rotation
comparison
24. To __________ an algebraic expression means to substitute a value for the variables and apply the rules for order of operation.
algebraic expression
evaluate
multiply fractions
cylinder
25. Use number lines to ________ two decimals.
commutative
compare
Power
sample
26. The surface area of a __________ is the sum of the areas of two circles and a rectangle.
circumference
multiply fractions
cylinder
divide fractions
27. A _______ is a ratio that compares a number to 100.
percent
exponent
proportion
%
28. To ___________ - multiply the numerators and then multiply the denominators. Write the product in lowest terms.
exponents
multiply fractions
Opposite
stem-and-leaf plot
29. ___________ is a number that can be written using an exponent. For example - 3² means three to the second power.
complementary
Power
unit rate
distributive property
30. The ________ of an angle is the common endpoint of the rays forming the angle.
%
associative
vertex
multiply fractions
31. To express a ______ as a _______ - rewrite the percent as a fraction with a denominator of 100 - and then express the fraction as a decimal.
percent decimal
is less than or equal to
integers
place value
32. Similar figures have the same shape but different sizes. The symbol ~ means _________ .
rectangular prism
variable
place value
is similar to
33. The _________ of an integer is the distance of the integer from zero.
absolute value
place value
Power
commutative
34. In a __________ - an object slides from one position to another without changing its size or shape.
multiply mixed numbers
translation
percent
reflection
35. The line or the fold is called the __________ .
exponent
is similar to
22/7
line of symmetry
36. To add ____________ with common denominators - write the sum of the numerators over the common denominators. Then add the whole numbers.
scale
mixed numbers
point symmetry
comparison
37. An _________ is a mathematical sentence that contains < - > - ≠- ≤ - or ≥ .
circumference
ordered pair - (x -y)
percent
inequality
38. A _________ is a symbol - usually a letter - used to represent a number.
vertex
base
divide fractions
variable
39. 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.
is similar to
line of symmetry
reflection
common - or like - denominators
40. If a figure can be divided in half by a line so that the two halves match each other - the figure is __________ .
subtract mixed numbers
compare
common denominator
symmetric
41. The symbol > is read as _________.
mixed numbers
base
is less than
is greater than
42. A diagram used to show the total number of possible outcomes in a probability experiment is called a _____________.
sample space
tree diagram
rate
algebraic expression
43. The _________ of a circle is twice the length of the radius.
diameter
factor
negative integer
place value
44. A ___________ is a proportion with one fraction with a denominator of 1.
unit rate
sample
order of operations
comparison
45. 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).
distributive property
exponent
diameter
common - or like - denominators
46. The ____________ of a circle is always a little more than three times the diameter.
circumference
proportion
exponents
point symmetry
47. Prime factorization can be written using ________ . For example - 2 x 2 x 3 = 2² x 3
is greater than or equal to
commutative
absolute value
exponents
48. The opposite of a positive integer is a ________ .
order of operations
comparison
negative integer
cylinder
49. A ___________is for organizing a set of data that shows the number of times each item or number appears.
scale
rectangular prism
divide fractions
frequency table
50. The __________ of a solid is the total area of its exterior surfaces.
supplementary
reflection
surface area
circumference