Virginia Department of Education
How Many Triangles?
Something for young mathematicians to remember: the sum of any two sides must be greater than the third. Class members investigates the Triangle Inequality Theorem to find the relationship between the sides of a triangle. At the...
Virginia Department of Education
Congruent Triangles
Is this enough to show the two triangles are congruent? Small groups work through different combinations of constructing triangles from congruent parts to determine which combinations create only congruent triangles. Participants use the...
Kentucky Department of Education
Multiplication Grade 3 Formative Assessment Lesson
Guide multiplication lesson plan instruction with a formative assessment. Mathematicians are given two multiplication problems to solve and represent using the area model, equal groups, repeated addition, and word problems. Following the...
Curated OER
Integers
In this integers activity, students solve and complete 8 various types of word problems. First, they read each problem and determine from the information what they are looking for. Then, students determine the operations necessary to...
Noyce Foundation
Candy Fractions
While examining fractions and ratios, your leaners get to read about one of their favorite subjects: candy! There are four word problems on this worksheet. Learners consider situations in which "for every x caramels there are y...
Virginia Department of Education
Box-and-Whisker Plots
The teacher demonstrates how to use a graphing calculator to create box-and-whisker plots and identify critical points. Small groups then create their own plots and analyze them and finish by comparing different sets of data using box...
Virginia Department of Education
Balanced
Bring balance to your lesson plans with an activity that asks individuals to solve one-step linear equations with inverse operations. Balance scales help learners understand the concept of isolating the variable.
Curated OER
Decimals in the Dugout
Students investigate place value and decimals during baseball related activities. In this place value activity, students explore place value with decimals. Resources are included.
Curated OER
Bears Wear Buttons
Students practice counting sets of objects and numerals. In this numerical identification instructional activity, students listen to the story, Bears Wears Buttons, and participate in a flash card activity where students must...
Curated OER
Adding and Subtracting Decimals
Students practice adding and subtracting numbers with decimals. In this decimals lesson plan, students use grid paper and money to learn how to add and subtract decimals.
Curated OER
Robot Rounding!
Young scholars collect data on a robot and relate the behavior to prove there is an infinite minute set of numbers. In this algebra lesson, students verify that there is always a number between two numbers. They analyze and make...
Curated OER
Decimals Anyone?
Seventh graders compare and order decimals. Given a set of integers, they compare them using inequalities. In groups, 7th graders participate in hands-on decimal activities. Using string, paper clips and decimal cards, classmates...
Curated OER
Less is More: Subtraction in Action
Students participate in group games to help review the concept of subtraction. During the games, they practice subtracting two-digit numbers and the concept of borrowing. They review their answers with the class and move on to...
Curated OER
Worksheet 4.12, Induction
In this math worksheet, students prove given propositions for all integer values of the variable. Students use induction to prove statements true.
Curated OER
Shapes Around Us
Students create posters about geometric shapes in order to demonstrate their understanding of the different shapes. Students look for pictures in magazines to represent two-dimensional shapes, paste them on a poster, label the shape,...
Curated OER
Multiplying By Powers of Ten D
In this math worksheet, students use the operation of multiplication in order to find the solutions to the problems using exponents. The answers are found on page 2.
Curated OER
Multiplying By Powers of Ten A
In this math worksheet, students use the operation of multiplication in order to find the solutions to the problems with exponents. The answers are found on page 2.
Curated OER
Real Number Sense
Fifth graders put each number they receive in the appropriate order in a number line or a number circle. In this numbers lesson plan, 5th graders develop number sense and manipulate the numbers in order.
Curated OER
Multiplicative Sequences
Students investigate the concepts related to the practice of multiplication facts. They look for number patterns in order to create an algorithm in order to find the correct sequencing of number patterning. The solutions are then...
Curated OER
The Diagonal Of A Box
Students solve problems using the pythagorean theorem. They use critical thinking skills in order to use a systematic process to solve the problem. Upon solving each problem the uniqueness of the lesson is asking students to give an...
Curated OER
A Rectangle in the Coordinate Plane
A quadrilateral is drawn on the coordinate plane, and eighth grade geometers find the length of each side and the diagonals by applying the Pythagorean theorem.
Curated OER
Mathemafish Population
It's shark week! In this problem, young mathematically minded marine biologists need to study the fish population by analyzing data over time. The emphasis is on understanding the average rate of change of the population and drawing...
Curated OER
Modeling Conditional Probabilities 1: Lucky Dip
Check out this detailed lesson plan on conditional probability! Learners work individually and also collaboratively to analyze the fairness of a game and justify their reasoning. it includes detailed notes and many helpful...
Curated OER
Interpreting Algebraic Expressions
Interpreting algebraic expressions is a fundamental skill in beginning algebra. This instructional activity approaches the task in numerous ways. First, learners assess their understanding with a short worksheet on converting between...