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# Developing strategic intervention material

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• 1. Classroom Strategic Intervention Material Prepared by: Blaise Buquiran- Hobro SST1- JNHS, Talay, Dumaguete City, Philippines
• 2. TABLE OF CONTENTS <ul><li>Guide Card </li></ul><ul><li>Activity Card </li></ul><ul><li>Assessment Card </li></ul><ul><li>Enrichment Card </li></ul><ul><li>Reference Card </li></ul><ul><li>Percentage of Correct Responses </li></ul>
• 3. GUIDE CARD <ul><li>Identify the base and the exponent. </li></ul><ul><li>Rewrite the expressions without zero or negative exponents. </li></ul><ul><li>Apply the laws of exponents in simplifying expressions. </li></ul>
• 4. “ Ignorance of the Law excuses no one”
• 5. Now……. <ul><li>If you perform operations on exponential expressions, then you should also consider the laws that governed it. </li></ul>
• 6. ACTIVITY CARD <ul><li>Read and analyze each item. </li></ul><ul><li>1. Identify the exponents and base of the following expressions : </li></ul><ul><li>A. X 5 D. (1/2) 4 </li></ul><ul><li>B. 4 2 E. y -5 </li></ul><ul><li>C. a 3 </li></ul>
• 7. NOW......lets try this one!!!!! <ul><li>Rewrite the expression with zero and negative exponents. </li></ul><ul><li>1. x-4 2. 1 </li></ul><ul><li>x -3 </li></ul><ul><ul><ul><ul><ul><li>LOOKS EASY huh ? </li></ul></ul></ul></ul></ul>
• 9. coool…..now check this out! <ul><li>5 . (3a 2 ) 0 + 3 (a 2 ) 0 - 3a 0 </li></ul><ul><li> (3a 0 ) -2 </li></ul><ul><li>Awesome!!!!!! </li></ul>
• 10. You should try this too!!! <ul><li>Simplify the following expressions using the laws of exponents </li></ul><ul><li>1. -5a 4 (3a 7 ) 4. (6xy 5 ) 3 </li></ul><ul><li>y 8 .y 5 5. 2a2 3 </li></ul><ul><li>5n 5 m 6 3 </li></ul><ul><li>n 8 m 6 perfect!!!!!! </li></ul>
• 11. ASSESSMENT CARD 1 <ul><li>Complete the table by identifying the base and exponent of the following expressions: </li></ul>I love this game! Expressions Base Exponents <ul><li>X 2 </li></ul><ul><li>(-4y) 3 </li></ul><ul><li>5x 6 </li></ul><ul><li>11 2 </li></ul><ul><li>8 </li></ul><ul><li>5. (3-x) 2 </li></ul>
• 12. Wanna try another one? <ul><li>Give the simplest form of the following: </li></ul><ul><li>(a 2 b 3 ) 0 </li></ul><ul><li>2. (-4a 3 b -2 ) -3 </li></ul><ul><li>3. 2x 3 </li></ul><ul><li>x 2 y </li></ul><ul><li>a 2 -4 </li></ul><ul><li>4. b </li></ul><ul><li>5. 3x 2 y 0 (18 x -3 y) -1 </li></ul>EXCELLENT !
• 13. ANSWER CARD <ul><li>Activity Card </li></ul><ul><li>Exponent Base </li></ul><ul><li>a. 5 x </li></ul><ul><li>b. 2 4 </li></ul><ul><li>c. 3 a </li></ul><ul><li>d. 4 1/2 </li></ul><ul><li>e. -5 y </li></ul>
• 14. <ul><li>2. 3. </li></ul><ul><li>a. 1/x 4 a. -15a 11 </li></ul><ul><li>b. x 3 b. y 13 </li></ul><ul><li>c. 1 c. 5/n 3 </li></ul><ul><li>d. 16n 8 / m 9 d. 216x 3 y 15 </li></ul><ul><li>e. -9 e. 8a 6 /3 </li></ul>
• 15. Assessment Card answer key <ul><li>A. </li></ul><ul><li>Base Exponent </li></ul><ul><li>1. x 2 </li></ul><ul><li>2. -4y 3 </li></ul><ul><li>3. x 6 </li></ul><ul><li>4. 11/8 2 </li></ul><ul><li>5. 3-x 2 </li></ul>
• 16. <ul><li>B. </li></ul><ul><li>1. 1 </li></ul><ul><li>2. b 6 </li></ul><ul><li> -64a 9 </li></ul><ul><li>3. 8x </li></ul><ul><li> y 3 </li></ul><ul><li>4. b 4 </li></ul><ul><li> a 8 </li></ul><ul><li>5. x 5 </li></ul><ul><li> 6y </li></ul>Wish to have some more? I love math…
• 17. Let’s get some more fun…..
• 18. ENRICH YOUR MIND….. <ul><li>Simplify the following: </li></ul>
• 19. Wooaah!!!you are great! <ul><li>Check this out…… </li></ul><ul><li>1 2 </li></ul><ul><li>(a + b ) -1/2 </li></ul>
• 20. You are doing a really good job!!! <ul><li>Give this one a try…..Evaluate: </li></ul><ul><li> 4y -2/3 when y = 8 </li></ul><ul><li>+ 3y 1/3 </li></ul><ul><li>+ 2y 0 </li></ul>Found the answer?
• 21. How about this one now? <ul><li>10 3 + 10 2 + 10 1 + 10 0 + 10 -1 + 10 -2 </li></ul>
• 22. REFERENCE CARD
• 23. One last look……… <ul><li>Exponential notation is considered a mathematical shorthand as it allows an expression to be written more concisely. For instance, 7.7.7.7.7 is written as 7 5 . </li></ul><ul><li>The general form of the exponential expression is x n and indicates that x is to be used as a factor n times. </li></ul>
• 24. <ul><li>To multiply expressions of the form a m , remember that for any numbers a and b , and positive integers m and n : </li></ul><ul><li>a m .a n = a m+n Product Powers </li></ul><ul><li>(a m ) n = a mn Product of a Power </li></ul><ul><li>(ab) m = a m b m Power of a Product </li></ul><ul><li>(a m b n ) p = a mp b np Power of a Product </li></ul><ul><li>a m = a m where b ≠ 0 Power of a </li></ul><ul><li>b b m Quotient </li></ul>
• 25. Congratulations!!!! <ul><li>You Made it! </li></ul>1 st Place Bravo!!!
• 26. Thank you for viewing…… <ul><li>Prepared by: Blaise B. Hobro </li></ul><ul><li>SST 1- JNHS, Talay, Dumaguete City </li></ul><ul><li>Negros Oriental, Philippines </li></ul>