Ordering and Comparing Integers

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Presentation transcript:

Ordering and Comparing Integers Find three partners.

Compare these integers 12 -4 -3 -5 -5 0 6 -1 Draw a number line if needed

Solve then analyze with partner #2 Justin has a score of -4 on KC Royals Trivia Game. Desiree’s score is -5. Write an inequality to compares the scores. Explain the meaning of the inequality. -4 > -5 Since -4 > -5, Justin has a higher score than Desiree.

Order the set of integers from least to greatest {-9, 6, -3, 0}

Greatest to Least {-4, 3, 11, -25} {-18, 30, 12, -6, 3}

Solve with partner #1 Andrew and his father are scuba diving at -38 feet and Tackle Box Canyon has an elevation of -83 feet. Write an inequality to compare the depths. Explain the meaning of the inequality.

Solve on your own The daily low temperature in Kate’s hometown last week were 2 degrees, -9 degrees, -18 degrees, -6 degrees, 3 degrees, 0 degrees, and -7 degrees. Order the temperatures from greatest to least.

Is zero positive or negative? Trick Question!! Neither 

What is the absolute value of -4?

Solve with Partner #3 Amy is building a house. The basement floor is at -15 feet. The roof of the house is above the ground 25 feet. Write an inequality to compare the heights. Explain the meaning of the inequality.

Brain Break! Get with Partner #2 Hold up 5 fingers. Tell you partner one thing you did this weekend. Now put one finger down. They do the same. Next, tell your partner your favorite meal this weekend. Now put another finger down. They do the same. Finger 3: Tell your partner what you would do if you were the principal at Sacred Heart Finger 4: Tell you partner what your favorite TV show or Movie is Finger 5: Tell you partner what you are most looking forward to at Thanksgiving Get with Partner #2 Brain Break!

What is a rational Number? Any number that can be written as a fraction What is a rational Number?

Bar Notation To indicate the number pattern that repeats indefinitely, use bar notation. It is a bar placed of the digits that repeat.

Watch me What is 5/12 as a decimal?

Write each fractions as a decimal – use bar notation if necessary 1/6 8/9 2/11

How do you write negative fractions as decimals? Same way you would with a positive number. Just keep the negative sign. ½ = 0.5 -½ = -0.5

Compare these Fractions and Decimals – Partner #1 -1.2 _______ 0.8 -1.40 _______ -1.25 -3/8 ________ - 5/16 (find a common denominator to compare)

Compare 3.1 ____ -3.7 9/16 _____ 12/16 -4.5 ______ -4.49 9/16 _____ 12/16 -4.5 ______ -4.49 -7/10 _____ -4/5

Compare with Partner #3 -0.51 _____ -8/15