Inequalities

# Inequalities

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## Inequalities

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1. Inequalities Jen Sallans Jamie Sheffer Shevina Wilmore Amy Fitzgerald Content Topic: Mathematics Intended Grade Level: Second Grade

3. Inequalities!!

4. What are inequalities? • Inequalities are mathematical expressions which shows that two quantities are not equal.

5. Examples of Inequalities > < Greater Than Less Than = Equal To

6. Examples of Greater Than 6 2 4 + 3 2+2 15 10 10+8 12+2 23 22 25-6 11-5

7. Examples of Less Than 9 10 20 - 9 21-8 21 25 6+9 10+5 14 18 5-2 5-1

8. Examples of Equals To 12 = 12 15 + 6 = 19 + 2 25 = 25 20 - 6 = 18 - 4 4 = 4 13 + 8 = 11 + 10

9. 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.

10. 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!

11. Remember… • This symbol means GREATER THAN • This symbol means LESS THAN • This symbol means EQUAL TO

12. Good Luck!

13. Great Job! You are correct! Keep up the good work!

14. Oops! Try again! Go back and double-check that answer.

15. Let’s try some larger numbers… 18 __ 12

16. Great Job! You are correct! Keep up the good work!

17. Oops! Try again! Go back and double-check that answer.

18. Let’s try some addition problems… 7 + 6 __ 12 + 1

19. Great Job! You are correct! Keep up the good work!

20. Oops! Try again! Go back and double-check that answer.

21. Let’s try some harder addition problems… 20 + 5 __ 18 + 1

22. Great Job! You are correct! Keep up the good work!

23. Oops! Try again! Go back and double-check that answer.

24. Let’s try some subtraction problems… 15 - 6 __ 20 - 11

25. Great Job! You are correct! Keep up the good work!

26. Oops! Try again! Go back and double-check that answer.

27. Great Job! You filled up Freddie’s belly!