If-then Statements

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If-then Statements

By Rose Lutrania

​Conditional Statements

​Lesson Objectives:

​

​ 1. define conditional statements

2. identify hypothesis and conclusion of an if-then statements

3. transform statements into its conditional​

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​EXAMPLES

1. If an angle is right, then it measures 90◦.​

2.If you study hard, then you'll get high grades.​

​​3. If you stay at home, then you won't get covid.

​​4. If you feel unwell, then stay at home and monitor your health.

​Transform the following statements into conditional statements.

​1. A polygon with exactly four sides is a quadrilateral

2All whole numbers are integers.​

3.2012 is a leap year.

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​4. Students that do well in Mathematics are also good in English.

Multiple Select

It is a a statement with hypothesis and conclusion.

• Converse Statement

• If-Then Statement

• Conditional Statement

Multiple Choice

Identify the hypothesis of the statement "If you work overtime, then you’ll be paid time-and-a-half".

• If you work overtime

• then you’ll be paid time-and-a-half

Multiple Choice

"If an animal is a dolphin, then it is a mammal".

What is the conclusion in the statement?

• If an animal is a dolphin

• then it is a mammal

Multiple Choice

The "if" part of an if-then statement contains the ___________

• conclusion

• hypothesis

Multiple Choice

The "then" part of an if-then statement contains the ___________

• conclusion

• hypothesis

Multiple Choice

Identify the hypothesis. "If the car is running, then the key is in the ignition."

• The car is running

• The key is in the ignition

Multiple Choice

Which is the correct if-then statement for: "you will be late to school if you miss the bus."

• If you are late to school, then you will miss the bus.

• If you miss the bus, then you will be late to school

Multiple Choice

 Identify the conclusion. "If the measure of an angle is 60^o, then the angle is acute."

• the measure of an angle is 60^o

• the angle is acute

Multiple Choice

Transform the statement in an if-then statement: " An obtuse angle has a measure greater than 90°.

• If an angle measures greater than 90°, then it is a right angle.

• If an angle is obtuse, then it has a measure greater than 90°.

Multiple Choice

 

In “If p then q” statement, the p statement is called.

• Conditional  

• Biconditional

• Hypothesis

• Conclusion

Multiple Choice

In “If p then q” statement, the q statement is called.

• Conditional

• Hypothesis

• Conclusion

• Biconditional

Multiple Choice

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Which of the following is a conditional statement?

• Summer is so hot.

• The weather is so hot every summer

• Hot summer

• If it is summer, then the weather is hot.

Multiple Choice

 

Which of the following is correct in transforming a statement into the if – then form?

• If q, then p.

• If p, then q.

• If not p, then not q.

• f not q, then not p

Multiple Choice

 

If two lines are perpendicular, then the angles formed are right angles. What do you call the underlined portion in this conditional statement?

• Conclusion

• Hypothesis

• Cause

• Effect

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