Curated OER
Thinking Outside the Box
Now this instructional activity sounds fun! Young scholars throw a ball, film it as it soars through the air, and use a spreadsheet to collect data. A scatterplot is created to produce a quadratic regression equation, an equation in...
Illustrative Mathematics
Color Week
Practice counting by ones up to 20 with your kindergartners using this colorful class experiment. There are two versions for the lesson. Version 1: The Friday beforehand, send home a notice for the week assigning a different color for...
Curated OER
Investigation--Comparing and Ordering Fractions
Fourth graders use fraction strips to compare and order fractions. Identify various ways a figure can be divided. Find equivalent fractions. Recognize and order fractions with the denominators 2,3,4,5,6,8,10, and 12.
Curated OER
Area, Perimeter and Rations Using Pentominoes
Learners of all ages investigate area and perimeter through pentominoes. In this geometry lesson plan, students calculate the are and perimeter of different geometric shapes and describe the properties of similar and congruent shapes....
Curated OER
Rule for Equality of Fractions
Here is a lesson on equality of fractions. Learners use fraction bar manipulatives as the lesson goes along to help them visually understand equivalent fractions. The activities described are top-notch, and there is a worksheet embedded...
Curated OER
Equality of Fractions
Here is a lesson on equality of fractions designed for fourth graders. Learners work in groups and utilize fraction bars to help them work through a variety of activities. They split up into pairs and play an online game called the...
University of Utah
Simultaneous Linear Equations
Solve simultaneous linear equations, otherwise known as systems of linear equations. Pupils practice solving systems of linear equations by graphing, substitution, and elimination. The workbook provides a class activity and homework...
Curated OER
Investigating Square and Triangle Numbers
Fifth graders build increasingly larger squares and triangles using pattern blocks. They record the growth patterns on a chart and look for corresponding numerical patterns. Students describe the patterns they find and use them to...
Curated OER
The Art of Interpreting Percent
Ddefine the relationships between fractions, decimals, and percentages in a series of lessons. The class practices converting between these three versions of a number. They also find the common factor of a numerator and denominator and...
Curated OER
Parabolas and Inverse Functions
Your Algebra learners will explore what equations are functions or not functions and how to alter the domain to produce a possibility for the relations being a function with a limitted domain.
Curated OER
Similar Polygons
In this similar polygons worksheet, students identify the corresponding sides of polygons. They use proportions to solve problems. Students determine the scale factor of similar figures. This two-page worksheet contains...
Curated OER
Comparison Subtraction Stories
Second graders create stories that model comparison subtraction while using the environmental mats. They suggest situations in which they compare numbers. For example, if one student has 6 nickels and another child has 14 nickels,...
Curated OER
Substitution Formula
In this substitution formula worksheet, learners solve 9 various types of problems related to applying the substitution formula. First, they use a number line to add or subtract negative integers. Then, students substitute numbers for...
Curated OER
Geometry Standardized Test Practice
In this figures and graphs review learning exercise, 10th graders solve and complete 23 various types of problems that include identifying various figures and graphs. First, they name the transformation that maps the unshaded figure or...
Curated OER
The Ditionary Trick
For this secondary mathematics worksheet, students investigate a riddle involving the use of the dictionary and subtraction of three digit numbers. The one page worksheet contains one problems with an explanation of why the trick...
Curated OER
Trigonometry in Automobile - Accident Reconstruction
In this accident reconstruction activity, students use trigonometry and vectors to determine the speeds of automobiles in a car accident. They compute the speed at which a car skidded before a crash. This one-page activity...
Curated OER
Integration Formulas
Twelfth graders review differential formulas and find their corresponding integration formula. In this calculus lesson, 12th graders review differential and integral formulas as it pertaining to solving calculus problems. They...
Curated OER
Addition and Subtraction Word Problems
Approach word problems using these straightforward addition and subtraction practice scenarios. Learners choose answers from a list, recording the corresponding letter next to each problem. Ten questions involve basic addition and...
Curated OER
Multiplication of Whole Numbers
Multiplication facts should be more than memory; help scholars understand what happens when they multiply using visual math. They examine three arrays of images and choose the multiplication equation that corresponds numerically. Then,...
Curated OER
Right Triangles
In this right triangles worksheet, 10th graders solve 6 various problems and figures related to right triangles. First they identify and describe the 3 theorems and 1 postulate stated that prove 2 right triangles congruent if one of them...
Curated OER
Similar Triangles
In this similar triangles worksheet, 10th graders solve and complete 10 different problems related to determining the sides of similar triangles. First, they write three equal ratios to show the corresponding sides that are proportional....
Curated OER
Two-Digit Numbers Ending in 8 or 7
In this mathematics instructional activity, students circle the dots to form a complete ten and compare their problem to the one with just ones' digits. Then they add each problem and write down the corresponding problem with just the...
Curated OER
Number Stories
Students write and solve various number stories. They solve number stories using one, two and three digit numbers. Students practice writing sentences using the following 6+1 traits, ideas and content, organization, word choice and...
Curated OER
Ten Sly Piranhas: A Counting Story in Reverse
Students solve related addition and subtraction problems. In this addition and subtraction lesson, students use the book Ten Sly Piranhas by William Wise as the source of word problems for students to solve.