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## Inequalities

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**Inequalities**Jen Sallans Jamie Sheffer Shevina Wilmore Amy Fitzgerald Content Topic: Mathematics Intended Grade Level: Second Grade**Table of Contents**• Teacher Slides • Inequality Lesson • Inequality Activity**What are inequalities?**• Inequalities are mathematical expressions which shows that two quantities are not equal.**Examples of Inequalities**> < Greater Than Less Than = Equal To**Examples of Greater Than**6 2 4 + 3 2+2 15 10 10+8 12+2 23 22 25-6 11-5**Examples of Less Than**9 10 20 - 9 21-8 21 25 6+9 10+5 14 18 5-2 5-1**Examples of Equals To**12 = 12 15 + 6 = 19 + 2 25 = 25 20 - 6 = 18 - 4 4 = 4 13 + 8 = 11 + 10**Play The Game!**• Each student is going to play the Inequalities Game individually. • Make sure to work quietly and raise your hand if you need assistance.**Meet Freddie the Fish. He is a very hungry fish, but he is**also greedy. He always wants to eat as much as he can. • Help Freddie decide which number is greater by opening his mouth toward the larger number. • Click the arrow button to move on!**Remember…**• This symbol means GREATER THAN • This symbol means LESS THAN • This symbol means EQUAL TO**Great Job!**You are correct! Keep up the good work!**Oops!**Try again! Go back and double-check that answer.**Let’s try some larger numbers…**18 __ 12**Great Job!**You are correct! Keep up the good work!**Oops!**Try again! Go back and double-check that answer.**Let’s try some addition problems…**7 + 6 __ 12 + 1**Great Job!**You are correct! Keep up the good work!**Oops!**Try again! Go back and double-check that answer.**Let’s try some harder addition problems…**20 + 5 __ 18 + 1**Great Job!**You are correct! Keep up the good work!**Oops!**Try again! Go back and double-check that answer.**Let’s try some subtraction problems…**15 - 6 __ 20 - 11**Great Job!**You are correct! Keep up the good work!**Oops!**Try again! Go back and double-check that answer.**Great Job!**You filled up Freddie’s belly!