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Logic and Proof


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Conditional Statements
2509 Views

If you already know what a conditional statement is, then you're smarter than you look. And boy do you look smart.

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Formal Proofs
1858 Views

Formal proofs present the oh-so-mathematical evidence in two columns: one for the statement they are claiming is true, and the other for the reason...

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Indirect Proofs
1734 Views

Indirect proofs (or proofs by contradiction) prove their conclusion by showing that the opposite cannot be true. You can use this in math and in ar...

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Logical Reasoning (Problem)
290 Views

Sounds logical to us!

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CAHSEE Math 2.5 Mathematical Reasoning
201 Views

CAHSEE Math Mathematical Reasoning: Drill 2, Problem 5. Which of the following conclusions can be drawn based on the above information?

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CAHSEE Math 5.1 Mathematical Reasoning
209 Views

Mathematical Reasoning Drill 5, Problem 1. Which of the following could be the number of pieces the lasagna was cut into?

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CAHSEE Math 5.2 Mathematical Reasoning
177 Views

Mathematical Reasoning Drill 5, Problem 2. Which of the following represents the relationship between x and y?

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CAHSEE Math 5.3 Mathematical Reasoning
231 Views

Mathematical Reasoning Drill 5 Problem 3. Which of the following could be the integer mentioned?

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CAHSEE Math 5.4 Mathematical Reasoning
170 Views

Mathematical Reasoning Drill 5 Problem 4. Which of the following represents the relationship between n and an?

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CAHSEE Math 5.5 Mathematical Reasoning
196 Views

Mathematical Reasoning Drill 5, Problem 5. How many pencils could Mrs. Morrison have had?

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CAHSEE Math 6.1 Mathematical Reasoning
181 Views

Mathematical Reasoning Drill 6, Problem 1. The mathematical operation needed to figure out the amount of carpeting in square feet that Sheila...

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CAHSEE Math 6.2 Mathematical Reasoning
188 Views

Mathematical Reasoning Drill 6, Problem 2. The arithmetic operation used to find the distance that Iron Man traveled during this time can also...

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CAHSEE Math 6.3 Mathematical Reasoning
171 Views

CAHSEE Math Mathematical Reasoning Drill 6, Problem 3. If, instead, 30 total milligrams were required, which of the following equations shows...

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CAHSEE Math 6.4 Mathematical Reasoning
208 Views

Mathematical Reasoning Drill 6, Problem 4. Which of the following would be the new expression that gives the number of pizza slices available to ea...

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CAHSEE Math 6.5 Mathematical Reasoning
229 Views

Mathematical Reasoning Drill 6, Problem 5. The arithmetic method involved in finding the number of meters in 1 centimeter is equivalent to the...