5 Minute Check. Fluency Tuesday, Dec 1 Lesson 5.5.b Compare and Order Rational Numbers.

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Presentation transcript:

5 Minute Check

Fluency

Tuesday, Dec 1 Lesson 5.5.b Compare and Order Rational Numbers

Objective: To understand how to compare and order all rational numbers.

Compare and Order Rational Numbers Fill in with or = to make a true statement

Compare and Order Rational Numbers Fill in with or = to make a true statement < 0.8 Remember – On a number line the number to the left is always less than the number to the right.

Compare and Order Rational Numbers Fill in with or = to make a true statement

Compare and Order Rational Numbers Fill in with or = to make a true statement. -1 > -1.2 If both numbers have a negative sign, remove the negative sign and determine the answer. Then replace the negative signs and reverse the answer.

Compare and Order Rational Numbers The number line can be used to compare and order all rational numbers.

Compare and Order Rational Numbers Rule #1- A negative number is always less than any positive number.

Compare and Order Rational Numbers Rule #1- A negative number is always less than a positive number. Rule #2 – When comparing fractions, the denominators must be the same. Then just compare the numerators.

Compare and Order Rational Numbers Rule #2 – When comparing fractions, the denominators must be the same. Then just compare the numerators. Rule #3 – When comparing a decimal and a fraction, one form must be converted to the other. Either convert the fraction to a decimal or vice versa.

Compare and Order Rational Numbers

Write an inequality with -1.2 and 0.8 Do this on your own.

Compare and Order Rational Numbers Write an inequality with -1.2 and < Since -1.2 is negative and 0.8 is positive, 0.8 must be greater.

Compare and Order Rational Numbers Write an inequality with and Do this on your own.

Compare and Order Rational Numbers Write an inequality with and < Since is to the right of it is greater.

Compare and Order Rational Numbers

Identify the ratio that does not have the same value as the other three. Explain your reasoning.

Compare and Order Rational Numbers

Agenda Notes Homework – Skills Practice 5.5.b Due Wednesday, Dec 2 Show all work. Chapter 5 Test -Friday, Dec 4 Accum Rev 5 due on Dec 4