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Doctor Math

Rated 4.89 out of 5, based on 56 reviews
21 Followers
Glendora, California, United States
About the store
I have been a math teacher and educator for more than 30 years. I was a classroom math teacher, a district math coach, and am now a University Supervisor of Teacher Education, working with preservice math teachers. I have been a curriculum and instruction consultant nationally, and have been a speaker and presenter in many regional, state, and national math and education conferences. In 2015, I published my first book: Modeling with Mathematics: Authentic Problem Solving in Middle School.
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All resources

Preview of Finding the Fraction of a Whole Number

Finding the Fraction of a Whole Number

Created by
Doctor Math
26 Google Slides! Students will interact with a variety of representations of finding fraction of a whole number (part to whole, groups, number lines) in order to develop a conceptual understanding of finding a fraction of a number. Students will practice first with unit fractions, and proceed to proper fractions of whole numbers through interactive slides. This file includes the Google Slides presentation and answer key.
Preview of Understanding Mixed Numbers and Improper Fractions (using a number line)

Understanding Mixed Numbers and Improper Fractions (using a number line)

Created by
Doctor Math
This interactive Google Slides activity will encourage conceptual understanding (rather than memorizing a "rule") of mixed numbers and improper fractions, the relationship between the two, and converting from one to another using a number line model. Students will practice placing numbers on number lines and recognizing the connections between mixed numbers and improper fractions. They will reinforce the concept of "one whole," and will understand the both mixed numbers and improper fractions
Preview of Intro to Mixed Numbers and Improper Fractions

Intro to Mixed Numbers and Improper Fractions

Created by
Doctor Math
14 Interactive Slides! This Google Slides interactive presentations helps students develop conceptual understanding and number sense regarding Mixed Numbers and Improper Fractions. Through these activities, students will discover the meaning of mixed numbers and improper fractions and the connections between them. Through participation and inquiry, students will understand how to convert from one representation to the other and back again. Don't start with "rules" and algorithms. Let studen
Preview of Dividing a Whole Number by a Fraction

Dividing a Whole Number by a Fraction

Created by
Doctor Math
30 Interactive Google Slides! Students will interact with visual representations (fraction models and number lines) for dividing a whole number by a fraction Rather than beginning by introducing a "rule" or procedure, students will begin to develop a conceptual understanding of dividing whole numbers by fractions. This is one of the more difficult concepts for students to understand conceptually, so this interactive practice will help build an understanding that will eventually lead to the trad
Preview of Finding Percent of a Number using Mental Math

Finding Percent of a Number using Mental Math

Created by
Doctor Math
24 Interactive Slides! This resource introduces students to conceptual understanding of percents and strategies for finding percent of a number using mental math. It is important that students (and adults!) to develop the ability to calculate percent of a number. By practicing with finding 10% of a number, students may they explore strategies for finding other percents as well. Before they are exposed to algorithms and methods for calculating percentages, students should practice working with pe
Preview of Understanding Ratios using Multiple Models

Understanding Ratios using Multiple Models

Created by
Doctor Math
26 Interactive Slides! This resource introduces students to conceptual understanding of ratios by giving students exposure to and practice with a variety of models and methods for representing ratios and solving ratio problems. Students learn through practice and exploration how to represent ratios and solve ratio problems using manipulatives, tables, tape diagrams, and double number lines. As students develop fluency with a variety of models, they increase conceptual understanding of ratios, a
Preview of Fractions to Decimals to Percents Bundle

Fractions to Decimals to Percents Bundle

Created by
Doctor Math
Give students and opportunity to practice and develop fluency converting between fractions, decimals, and percents. By using and comparing the different resources, students make important connections between the 3 representations, increasing conceptual understanding and decreasing the reliance upon (and potential errors using) memorization of rules and strategies. INCLUDES A BONUS FOLDABLE.
Preview of Multiplying a Fraction by a Whole Number

Multiplying a Fraction by a Whole Number

Created by
Doctor Math
24 Google Slides! Students will interact with a variety of representations for multiplying a fraction by a whole number (tape model, number line, repeated addition, and multiplying across) in order to develop a conceptual understanding of multiplying fractions by whole numbers. Students will practice first with active, visual representations, and proceed to arithmetic operations (addition and multiplication). Help students see it conceptually and visually before teaching rules and procedures!
Preview of Simplifying Fractions using 3 Models

Simplifying Fractions using 3 Models

Created by
Doctor Math
19 Slides with Instructions, Examples, and Interactive Practice! Students will deepen conceptual understanding of equivalent fractions and simplifying fractions with a variety of models: Fraction Strips, Multiplication Charts, and Prime Factorization. Students will practice and reinforce methods for simplifying fractions by engaging with interactive slides and a variety of models. The resources include an Answer Key, a Fractions Strips Google Doc, and a Multiplication Chart Google Doc.
Preview of Converting between Fractions & Percents

Converting between Fractions & Percents

Created by
Doctor Math
20 Interactive Slides! This resource introduces students to conceptual understanding of the meaning of percents and the relationship between fractions and percents. It includes strategies for converting from percents to fractions and fractions to percents using both equivalent fractions and by first converting to decimals. It is important that students explore conversion between fractions with a denominator that is a factor of 100 to a denominator that is not a factor of 100. Through practice a
Preview of Intro to Factors to 100

Intro to Factors to 100

Created by
Doctor Math
30 Interactive Google Slides! Students will interact with visual representations (manipulatives, area models, multiplication charts) for finding factors of numbers to 100. Students will begin to develop a conceptual understanding of the meaning of factors and reasoning strategies for finding factors through interactive slides and a variety of representations. This file includes the Google Slides presentation and answer key
Preview of Intro to Prime Factorization using Factor Trees and L-Charts

Intro to Prime Factorization using Factor Trees and L-Charts

Created by
Doctor Math
19 Slides! Students will investigate and practice Prime Factorization through 2 methods -- factor trees and L-Charts. Increase students' conceptual understanding and number sense through instruction, practice, and comparison of two representations of prime factorization. Practice with the two methods will increase student understanding and fluency with factors and multiples, and prime and composite, with appeal to a variety of learning styles and preferences. Upload includes answer key.
Preview of Half of a Number: Comparing Fractions using One-Half as a Benchmark

Half of a Number: Comparing Fractions using One-Half as a Benchmark

Created by
Doctor Math
34 Google Slides! Students will practice finding one-half of a number, and apply that knowledge to fractions. They will increase conceptual understanding of one-half as well as the relative size of fractions through interactive practice with fraction models, arrays, and number lines. This resource includes the interactive Google Slides and an Answer Key.
Preview of Task Cards: Mixed Numbers and Improper Fractions

Task Cards: Mixed Numbers and Improper Fractions

Created by
Doctor Math
56 Task Cards! Help students build number sense and gain conceptual understanding of Mixed Numbers, Improper Fractions, and the connections between them using a variety of models -- number lines, fraction models, verbal reasoning... Students will have the opportunity to explore 7 different representations of mixed numbers to improper fractions and vice versa. Use these as task cards for (7) stations activities, as resources for a Quiz-Quiz-Trade activity, or to differentiate by area of need a
Preview of Fractions, Decimals, Percents Foldable

Fractions, Decimals, Percents Foldable

Created by
Doctor Math
This foldable will allow students to describe in their own words how to convert between fractions, decimals, and percentages. If students use the foldable as they practice, they will gain a deeper understanding of the relationships between the three representations, and will begin to construct their own meaning of the conversions. This foldable is designed for repeated use in an interactive notebook.
Preview of Converting between Decimals and Percents (and back again)

Converting between Decimals and Percents (and back again)

Created by
Doctor Math
18 Interactive Slides! This resource introduces students to conceptual understanding of the relationship between decimals and percents and strategies for converting from one to another. It is important that students understand the relationship between "percent" (out of 100) and decimals (hundredths) in order to understand the conversions. Rather than providing rules and memorizing strategies, students learn through practice and exploration to convert back and forth between decimals and percents
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About the store

Experience

I have been a math teacher and educator for more than 30 years. I was a classroom math teacher, a district math coach, and am now a University Supervisor of Teacher Education, working with preservice math teachers. I have been a curriculum and instruction consultant nationally, and have been a speaker and presenter in many regional, state, and national math and education conferences. In 2015, I published my first book: Modeling with Mathematics: Authentic Problem Solving in Middle School.

Teaching style

I am a firm believer in discovery and inquiry lessons. My question at the end of every lesson is: Who Did the Math? If it wasn't the students, it wasn't a great lesson!

My own education history

I have a Ph.D. in Education from Claremont Graduate University.

Additional biographical information

I am the proud Mama of two daughters, both of whom are educators. My greatest joy is spending time with my grandkids!