Evaluating Expressions Interactive Notebook Pages
Saturday, August 24, 2019
Activities,
algebra,
Algebra 1,
calculator,
Evaluating Expressions,
foldable,
Greta Bergman,
interactive notebook,
lessons,
Parenthetical Promise,
Pockets,
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We kicked off our lesson on evaluating expressions alongside the parenthetical promise. Every year, I forcefulness my students to brand the next hope to me: I, _____________, create hereby hope that I volition ever purpose parentheses whenever I substitute values into an algebraic expression. I brand them sign the hope together with engagement it.
Every year, I appear to receive got a few who don't desire to play along. This year, I didn't receive got whatever of those because I told them that the students who didn't play along alongside the hope terminal twelvemonth ended upward failing the quiz. I retrieve this year's freshman shape may nonetheless hold upward scared of me...
Though I've done this for multiple years now, I'm embarrassed to nation that this is the kickoff twelvemonth that I've made a betoken of showing my students the importance of using parentheses when evaluating expressions. Can you lot believe that?!? In the past, I've only assumed that students would accept my give-and-take that it was important. No wonder some students didn't desire to play along...
As a class, nosotros worked out the same occupation 2 ways: alongside parentheses together with without parentheses. Look, nosotros got 2 dissimilar answers! See, class, I told you lot that parentheses are important!
But, straightaway nosotros receive got 2 dissimilar answers. How create my students know that three actually is the wrong reply together with xi is the right answer? Should they only blindly trust me alongside this too? To reassure my students that Mrs. Carter actually does know what she is talking about, I had my shape travel out their calculators (TI-30XS) together with hence that I could learn them a peachy information processor trick. I walked them through the steps of storing -2 for x inwards their calculators. Then, I challenged them each to type x^2 - 2x + three inwards their calculators. Every pupil inwards the shape got their information processor to read 11. That way that when our calculators substitute inwards values for variables, they purpose parentheses, too! See, Mrs. Carter is telling the truth!
Next, nosotros glued inwards our kickoff bag of the year. I pre-printed the steps for evaluating expressions on the pocket. Super proud of how it turned out!
Inside the pocket, nosotros position 4 exercise problems that nosotros completed. See all those lovely parentheses?!?
Finally, I gave my students a "One Incorrect" puzzle from Greta Bergman to solve. Students had to evaluate expressions until they constitute the 1 that didn't equal 36. Students are ever eager to larn their operate checked when they larn an reply that isn't 36. Usually, I honor some mistake inwards their work, betoken it out to them, together with post them dorsum to re-work the problem. So, they goal upward getting LOTS of practice!
Files tin hold upward downloaded here.
Every year, I appear to receive got a few who don't desire to play along. This year, I didn't receive got whatever of those because I told them that the students who didn't play along alongside the hope terminal twelvemonth ended upward failing the quiz. I retrieve this year's freshman shape may nonetheless hold upward scared of me...
Though I've done this for multiple years now, I'm embarrassed to nation that this is the kickoff twelvemonth that I've made a betoken of showing my students the importance of using parentheses when evaluating expressions. Can you lot believe that?!? In the past, I've only assumed that students would accept my give-and-take that it was important. No wonder some students didn't desire to play along...
As a class, nosotros worked out the same occupation 2 ways: alongside parentheses together with without parentheses. Look, nosotros got 2 dissimilar answers! See, class, I told you lot that parentheses are important!
But, straightaway nosotros receive got 2 dissimilar answers. How create my students know that three actually is the wrong reply together with xi is the right answer? Should they only blindly trust me alongside this too? To reassure my students that Mrs. Carter actually does know what she is talking about, I had my shape travel out their calculators (TI-30XS) together with hence that I could learn them a peachy information processor trick. I walked them through the steps of storing -2 for x inwards their calculators. Then, I challenged them each to type x^2 - 2x + three inwards their calculators. Every pupil inwards the shape got their information processor to read 11. That way that when our calculators substitute inwards values for variables, they purpose parentheses, too! See, Mrs. Carter is telling the truth!
Next, nosotros glued inwards our kickoff bag of the year. I pre-printed the steps for evaluating expressions on the pocket. Super proud of how it turned out!
Inside the pocket, nosotros position 4 exercise problems that nosotros completed. See all those lovely parentheses?!?
Finally, I gave my students a "One Incorrect" puzzle from Greta Bergman to solve. Students had to evaluate expressions until they constitute the 1 that didn't equal 36. Students are ever eager to larn their operate checked when they larn an reply that isn't 36. Usually, I honor some mistake inwards their work, betoken it out to them, together with post them dorsum to re-work the problem. So, they goal upward getting LOTS of practice!
Files tin hold upward downloaded here.
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