DiffiMath
13 Followers
St. Louis, Missouri, United States
About the store
I have taught for five years in the public sector and 2 years in the private sector in Missouri. Before this, I worked for a well-known educational technology company, where I created math formative and summative items that fit the state standards of all 50 states.
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Introduction to Domain and Range Activity
Domain and Range are so tough for my students to understand. The first part of this activity is a mini lesson where either the teacher or student-led groups discover how to draw boxes on the axes to help write the domain and range in interval notation. This activity has a Check for Understanding so that you can see at the end of the mini lesson how much your students have grown on this topic.
8th - 12th
Algebra, Algebra 2, PreCalculus
CCSS
HSA-CED.A.3
, HSF-IF.A.1
Show and explain the steps for solving an absolute value equation minilesson
This minilesson is a great way to guide students through the whys and hows for solving absolute value equations. Use the Check for Understanding at the end to get feedback from your students on what they learned.
8th - 10th
Algebra
CCSS
HSA-REI.A.1
, HSA-REI.B.3
Determine the slope activity
In this activity, students must match slopes, slope between points, linear functions, and graphs of lines with each other so that they match. It is a great way for students to practice translating between all of these different representations of slope.
8th - 11th
Algebra, Algebra 2, Geometry
CCSS
HSF-IF.B.6
, HSF-IF.C.9
What is a solution? Activity
I found that my students never truly understood the definition of a solution in terms of a function with regards to a table, graph, ordered pairs, and a function. This activity also includes a Check for Understanding at the end.
8th - 12th
Algebra, Algebra 2, PreCalculus
CCSS
HSA-REI.D.10
, HSA-REI.D.11
Solving Quadratic Equations Activity
In this activity, a group of three students will each solve ten quadratic equations, using either factoring, completing the square, or quadratic formula. When a student finishes a problem, they will write their solutions in the correct spot on the answer sheet. When all three students have finished the same question, all three of their answers should be the same.
8th - 10th
Algebra
CCSS
HSA-REI.B.4
, HSA-REI.B.4a
, HSA-REI.B.4b
Solving Absolute Value Equations Pretest_Posttest
Admins got you down? Use this pre and post test to show how special your students are and how quickly they can learn new concepts.
8th - 10th
Algebra
CCSS
HSA-REI.A.1
, HSA-REI.B.3
Determine slope of a linear function Pretest_Posttest
Use this to show growth by giving it to your students at the beginning and the end of the unit. Each printout has four different tests.
8th - 10th
Algebra, Geometry
CCSS
HSF-IF.B.6
, HSF-IF.C.9
Comparing Different Representations of Functions
A fun Venn Diagram activity where students can show whether a relation is a function or not by using the definition.
8th - 10th
Algebra, Algebra 2
CCSS
HSF-IF.A.1
Compound Inequalities Matching Activity
Match the compound inequality on the left with a solution on the right. Great way to assess without being a worksheet.
8th - 10th
Algebra
CCSS
HSA-REI.B.3
Solve Quadratic Equations Pretest_Posttest
Use this pre and posttest to show your students how much they have grown when it comes to solving quadratic equations.
8th - 10th
Algebra
CCSS
HSA-REI.B.4
, HSA-REI.B.4a
, HSA-REI.B.4b
Rewrite Formulas Pretest_Posttest
Solving literal equations can be scary. I mean math should have at least a couple of numbers in it, right? Use this pre and posttest to show how much your students have grown from your lessons!
8th - 10th
Algebra
CCSS
HSA-SSE.B.3
Slopes of Parallel and Perpendicular Lines Pretest_Posttest
Need to show growth for your admin?? How about giving your students a pretest before teaching this topic and then doing the same thing afterwards to see how much they've grown? Sounds great to me!
8th - 10th
Algebra, Geometry
CCSS
HSF-IF.B.6
, HSF-IF.C.7
, HSF-IF.C.7a
 +1
Compare Different Representations of Functions Pretest_Posttest
Great little pretest and posttest for algebra students first learning about functions. Cut along the dotted line and use one as a pretest and the other as a posttest to show growth.
8th - 10th
Algebra
CCSS
HSF-IF.A.1
Solving Compound Inequality Independent Practice
Short and sweet IP on compound inequalities for algebra 1.
8th - 10th
Algebra
CCSS
HSA-REI.B.3
Graphing Linear Functions Independent Practice
Straight forward, easy to grade practice on graphing linear equations and stating the slope and y-intercept.
8th - 10th
Algebra, Algebra 2
CCSS
HSF-IF.B.6
, HSF-IF.C.7
, HSF-IF.C.7a
Rewrite Formulas Independent Practice
Check the box that your students can work with literal equations with this independent practice.
8th - 10th
Algebra
CCSS
HSA-SSE.B.3
Determine slope of a linear function independent practice
Short little independent practice for algebra students just learning about finding the slope of a linear function in multiple ways.
8th - 10th
Algebra, Geometry
CCSS
HSF-IF.B.6
, HSF-IF.C.9
Showing 1-17 of 17 results
About the store
Experience
I have taught for five years in the public sector and 2 years in the private sector in Missouri. Before this, I worked for a well-known educational technology company, where I created math formative and summative items that fit the state standards of all 50 states.
Teaching style
In my classroom, I take a constructivist approach allowing my students to facilitate the learning. My job is to create the activities to keep them topical and guide them along a path of success. I am a staunch practitioner of a thinking classroom where my students spend the majority of the time collaborating around the solution of a problem up at the boards around my classroom. To outsiders, if might be chaos. We just call it learning.
Awards & shining teacher moments
Teacher of the Month x4 (eligible each year, won each year)
My own education history
I attended Southeast Missouri State University to earn a Bachelor's degree in Secondary Education - Mathematics and a Bachelor's degree in Applied Mathematics. My passion for math led me to attend grad school at Southern Illinois University Carbondale and earn my Master's in Mathematics.
I have over 80 hours of training when it comes to working with students with autism, ESOL, and high risk students.
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