Delaware Math Cadre Elementary Committee
Operations and Algebraic Thinking
How to use the relationship between multiplication and division to solve math word problems is the focus of the lesson presented here. In it, fourth graders work in groups to solve problems posed by the teacher. Then, each group is given...
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Using Math with Sale Papers
Fifth graders estimate their results and then prove through calculations. In this math lesson, 5th graders solve problems using multiplication, division, addition, and subtraction. They also use mental math to solve their problems.
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Lesson 3: Number Sense
Learners solve word problems using number sense. They convert fractions to decimals and mixed numbers. Pupils determine if a given fraction is greater or less than another fraction, and order numbers on a number line.
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Yogurt Packaging
Food companies understand how to use math to their advantage. Learners explore the math related to the packaging and serving size of yogurt. They then use unit analysis and percent values to make decisions on the product development.
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Missing Tens
Foster mental math skills with this activity; combine with 10-rods to modify. Twenty problems provide plenty of practice to master subracting by tens. Missing addends promote algebraic thinking.
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Mathematics Lesson Plan
Second graders study subtraction facts. In this mathematics lesson, 2nd graders discuss how to solve two digit subtraction problems. Students recognize that there are many different methods or strategies one can use such as using...
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Arc Length Lesson
Students find the length of the arc of a circle. In this geometry activity, students calculate the length of an arc and find the measure of the central angle given the length of the arc. They convert between linear and angular speed....
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Unit Circle Lesson Plan
Students identify different locations on a unit circle. In this precalculus lesson, students identify the different trig properties and rewrite the equation of a circle in standard form. They use mnemonic devices to help them...
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Equations
In this equations activity, 4th graders solve 4 equations by testing the values for x = 3, 4, 6, and 9. Students solve 8 equations mentally or by testing values for n.
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Introducing Integers and Their Operations
There's nothing negative about this mini-unit on integers! Engaging young mathematicians in a series of hands-on activities and collaborative learning opportunities, this resource offers an excellent way to introduce your class...
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Chalkboard Relay-PE Lesson
In the lesson, Chalkboard Relay-PE Lesson, students benefit from physical and mental activities. Students will compete in teams using running and addition problems as the determinant factors of which team wins. Moreover, students will...
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Food Math
Fourth graders explore healthy habits by completing caloric measurement activities. In this food choice lesson, 4th graders discuss what types of foods give you protein or fat and utilize a food chart to measure caloric intake. Students...
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Blueberries for Sal
Students read the book "Blueberries for Sal" and complete various computation math activities with blueberries. In this computation activity, students complete number sentences, play guessing games, and solve story problems using...
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Math Match Up!
Help learners solve problems using multiplication and repeated addition. Using counters, learners will be paired up to solve problems. They will go through a series of questions and show models with the counters for the solution. Then...
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Classification of Solutions
Is there one, none, or more? Through discussion or activity, scholars find the properties of an equation that will determine the number of solutions. They then use the properties discovered to figure out the number of solutions...
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Percent
Extend percent understandings to include percents less than one and greater than 100. A great lesson has pupils build upon their knowledge of percents from sixth grade. They convert between fractions, decimals, and percents that are less...
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Algebra: Coordinates and Straight Line Graphs
Young mathematicians review what they have previously learned about coordinates and straight line graphs. Then, they access an interactive component within the lesson plan to gain more practice with this skill. Additionally, there are...
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It All Adds Up
In this finding the sums activity, 1st graders color in the three numbers that add up to the number in each cloud in 9 boxes. Students study the first one done for them.
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Visualizing Multiplication
Upper graders represent multiplication of a two-digit number by a two-digit number as the area of a rectangle with dimensions of the two factors. They find patterns for the number of different base ten blocks in a rectangle representing...
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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...
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Waste Audit
Students engage in a lesson that is concerned with the concept of mental math. They perform calculations as following: recognizing a half, three quarters, and tenths. Students are also challenged to extend skills to making calculation...
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Math Activity: "Snake"
Fourth graders explore patterns by participating in a class math activity. In this early algebra lesson plan, 4th graders utilize a die and chart to keep record of a snake game in which students must utilize a math function to solve a...
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Polynomial, Rational, and Radical Relationships
This assessment pair goes way beyond simple graphing, factoring and solving polynomial equations, really forcing learners to investigate the math ideas behind the calculations. Short and to-the-point questions build on one another,...
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Geometric Properties
Students find triangular angles using the angle theorem. In this geometry lesson, students describe labeled triangles, use the pythagorean theorem, and rewrite information about triangles in standard form.