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- 1. Warm UpExplain the difference in squaring a number and findthe square root.
- 2. Activator
- 3. ComparingSquare Roots
- 4. ActivatorFind Someone Who…..Look on the back of your seat. If you have anindex card find someone who has you’re answerwithout talking.
- 5. Comparing Square Roots Steps to Estimating Square Roots• Decide if the radicand (the number under the radical) is a perfect square.• Find two perfect squares that the number is between.• Take the square root of the numbers.• Estimate the final answer.
- 6. Comparing Square Roots• Steps to Estimating Example Square Roots Estimate √8.• Decide if the radicand • 8 is not a perfect square. (the number under the Therefore, we must radical) is a perfect estimate the answer. square. • √8 is between √4 and √9.• Find two perfect squares • √4= 2 and √9= 3 that the number is between. • √8 is between 2 and 3.• Take the square root of • Since the √8 is closer to the numbers. √9, we can estimate that• Estimate the final answer. the √8 is 2.9.
- 7. Comparing Square RootsWhat is estimating? Example Estimate √8.How was this process done? • 8 is not a perfect square. Therefore, we must estimateHow would you summarize this the answer.process? • √8 is between √4 and √9. • √4= 2 and √9= 3What is the relationship between • √8 is between 2 and 3.solving non-perfect square roots • Since the √8 is closer to √9, weand perfect square roots? can estimate that the √8 is 2.9.What facts can we compile aboutestimating square roots?
- 8. Comparing Square RootsEstimate √10 Estimate √32
- 9. Comparing Square RootsEstimate √48 Estimate √87Label each step. Label each step
- 10. Closing 5 words or lessDescribe what you learned today in 5 words orless
- 11. Homework Study NightOn the notes page of the notebook, completethe following:Explain in your own words how to estimatesquare roots. Provide three examples that werenot done in class.

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