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Inequalities

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. Inequalities!!. What are 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

  2. Table of Contents • Teacher Slides • Inequality Lesson • Inequality Activity

  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. Let’s start out with small numbers… 4 __ 6

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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