Curated OER
Clay Gargoyles
Students observe Gargoyles and listen to an explanation of their place in art history. They create gargoyles with clay and paint with stone finish.
Curated OER
Algebra Bingo
Students review rules for adding and subtracting negative and positive integers. They discuss the rules of bingo and play the game which requires students to add, subtract, multiplication, or divide positive and negative integers.
Curated OER
Comparison of Tangential (Plain Sawn) to Radial (Quarter Sawn)Dimensional Change When Moisture is Added or Removed
Students investigate the dimensional changes that occur in wood samples when moisture is added and subtracted. The shapes and sizes of the pieces are compared and contrasted to decide which is best for cabinetry construction.
Curated OER
Mathematical Techniques - Basic Graphing
Students are introduced to significant figures and how to add, subtract, multiply and divide them. In a group, they practice plotting data points from a table to a graph and labeling all axes. They calculate the slope and y-intercept and...
Curated OER
The Fathers' Day Card
Students subtract using decimals and find half of a decimal number. They write and solve problems which involve decimals and which require a choice of one or more of the four arithmetic operations.
Curated OER
Activity #19 The Density of Alka Seltzer Gas
Students (teachers) complete the activity, they should not come in contact with Alka-Seltzer. They comprehend that the density of a gas can be calculated from its mass and volume. Pupils calculate the volume of gas generated by...
Curated OER
Number in Geometry
Students use a number line to assist with their additions. They use a calculator to check for factors. Students are taught factors and multiples. They use array model of multiplication to define meaning. Students develop a wide range of...
Curated OER
Shells
Students participate in an activity that reinforces their skills with subtracting of two-digit numbers. They read in their Math Storybook's about seashells on the beach, hermit crab's and discuss how many they see and where did all the...
Curated OER
The Cuisenaire Four-Pan Algebra Balance: Limitations and Suggestions
Students illustrate the concept of balancing equations using a Four-Pan Algebra Balance. In this balancing instructional activity, students visualize why it is necessary to add or subtract the same quantity on both sides of an equation...
Curated OER
2 Digit Subtraction
In this subtraction worksheet, students subtract to solve the 3 digit equations. Students solve 20 problems and improve their subtraction skills.
Curated OER
Calculating Cats
First graders observe the various parts of a calculator and how to add and subtract using it. They use a worksheet to label each part of a calculator and practice some problems orally until they feel comfortable using a calculator and...
Pennsylvania Department of Education
Introducing the Coordinate Plane
Fifth graders practice using estimation. In this estimation lesson, 5th graders add, subtract, multiple, and divide using whole numbers, fractions, and decimals. Students decide upon instances when estimation is more appropriate than...
Curated OER
Addition And Subtraction Of Fractions
In this addition and subtraction of fractions worksheet, 8th graders complete eighteen missing fractions to make each one an equivalent fraction. Students, in addition, complete twenty one problems involving LCM of denominators.
Curated OER
Subtraction Drill 0-10
In this subtraction worksheet, students solve 30 subtraction problems. All numbers are from 1 to 10. The teacher fills in the student score, number of correct, and time.
Curated OER
Subtraction Drill 0-18
In this subtraction worksheet, students solve 30 subtraction problems. All numbers are from 0-18. The teacher records student score, number of correct, and time.
Curated OER
Addition and Subtraction of Integers
Sixth graders complete a pre-test of addition and subtraction of integers, then watch a powerpoint presentation on the concept. In this mathematics lesson, 6th graders draw number lines and chip boards to show the process. Students work...
Curated OER
Modeling Basic Operations
Eighth graders engage in a lesson that investigates basic mathematical operations using a number line. They use props for hands on activities of visualizing the solution to a particular problem.
Curated OER
Pattern Puzzles
A short video introduces place value in addition and subtraction. As a class, your students identify all even numbers up to one hundred and explain the pattern. They use addition strategies to fill in the missing numbers on the number grid.
Curated OER
Using a Hundreds Chart
Youngsters participate in three activities using the hundreds chart. They will choose numbers to add up to one hundred. Whoever gets the most combinations wins. Two variations of the game are supplied.
For the Teachers
$1 Math
Captivate your class by having them find the value of their names, different zoo animals, musical instruments, etc.,with a mental math lesson. Using the coding formula listed, children learn to fluently estimate and calculate...
Curated OER
Water: From Neglect to Respect
The goal of this collection of lessons is to make middle schoolers more aware of the ways in which they are dependent upon water to maintain their standard of living. Learners compare water use in Lesotho to water use in the United...
Curated OER
What a Square
Students examine the painting "Old Man With A Gold Chain" by Rembrandt. They identify geometric shapes in the painting, measure these shapes and compare the relationships of these measurements.
Curated OER
Expert Estimators
A rich and well-designed lesson on estimation is here for you. The lesson utilizes a video; ITV Series: The Eddie Files 'Estimation: Going to the Dogs,' along with many websites. Several fantastic learning activities are...
Curated OER
Half Math Quilt
Help your third graders become familiar with equivalent fractions for one-half by having them create a quilt. They will use triangles to create a quilt of equivalent fractions over a period of 6 days. As they create the quilt pieces they...
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