Missouri Department of Elementary
What Is Important to Me?
Pupils complete an activity sheet to determine what values are most important to them. They then discuss their responses with partners before sharing the results of the discussion with the class.
Curated OER
T-Shirt Lettering
Students determine the cost of a t-shirt using a variety of mathematical operations to solve problems. Then they use a spreadsheet to calculate the cost of lettering a t-shirt and display this information in a graph.
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Two-Digit Subtraction With and Without Regrouping
Second graders subtract two-digit numbers. In this mathematics lesson, 2nd graders subtract both with and without regrouping. Students use manipulatives and place value mats to assist in problem solving.
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Ravishing Rings (Multiplication with a Snack)
Students understand multiplication through the use of snack manipulatives. In this multiplication lesson, students solve a multiplication problem using pretzels and then create and answer original problems. Students analyze how they got...
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The New Texas Two-Step
Sixth graders work with mathematical expressions by interpreting, analyzing and problem solving with them. In this two step algebraic problem solving lesson, 6th graders use algebra tiles to solve equations.
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Free Standing Structures
Students investigate how to create a free standing structure. In this mathematics lesson, small groups of students demonstate how to build the tallest structure while spending the least amount of money on materials.
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"Water is Life" Global Water Awareness
Students examine and calculate the percentage of potable water remaining on the earth. In this ecology and geography lesson, students brainstorm the main factors affecting water distribution. Students use mathematical problem solving to...
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Properties of Multiplication
Learners identify the properties and use them to solve word problems. They solve 13 problems. This is an unusually good worksheet!
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Using Multiplication to Solve Word Problems
Students explore math functions by solving word problems in class. In this multiplication lesson, students utilize colored cubes and base blocks to visualize multiplication problems. Students identify the multiplication values within...
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Fractions and Ribbons
Sixth graders explore using inverse operations to solve decimal and fraction problems. In this decimal and fraction lesson plan, 6th graders prepare ribbon for a part and need to cut it in equal lengths. Students analyze the problem.
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Solving Equations with Addition and SUbtraction
Students solve linear equations. In this algebra instructional activity, students isolate the variable on one side of the equal sign and solve for x. They rewrite word problems and solve for...
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Story Problem Writing
Students write story problems which can only be solved with the application of multiplication facts. They write an extra fact that isn't needed to solve. When their partners do the problems, they must cross out the fact that they do need.
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Mathematics of Scale
Students problem solve to calculate the number of times various listed objects could fit onto Tacoma Narrows Bridge. They create a scale drawing of the listed objects in comparison to the bridge.
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Solving Polynomial Equations
High schoolers demonstrate how to use spreadsheets as a tool for analyzing, visualizing and solving mathematical problems. Students obtain fundamental grasp of cubic equations and other polynomial equations.
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Ratios And Scale
students investigate the concept of using a ratio in the work of construction and solve problems using real life applications. They read descriptions of how various types of construction professionals use ratios on the job. The lesson...
EngageNY
The Distributive Property and the Products of Decimals
Make multiplication of decimals easier by applying the distributive property. Pupils investigate how they can use the distributive property to multiply decimals. After learning the strategy, they work on some practice problems at...
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Real-World Linear Programming
Explore linear programming on a website game. Partners solve a real-world problem by setting up an objective function and a linear inequality. They graph their results on chart paper and also using a calculator before presenting their...
Illustrative Mathematics
Fruit Salad
Playing with values in this fruit salad problem allows learners to find out how many cherries were mixed in. Your middle schoolers can organize their thoughts in a chart before going into the equation. Eigth graders can skip the chart...
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Graphs and Functions
Middle schoolers describe plotting functions on the Cartesian coordinate plane. They solve functions on paper and using an online tool to plot points on a Cartesian coordinate plane creating lines and parabolas.
EngageNY
The Division Algorithm—Converting Decimal Division into Whole Number Division Using Mental Math
Make math much simpler with mental math methods. The 16th installment in a series of 21 looks at ways scholars can apply mental math to convert division problems into easier problems with the same quotient. Multiplying or dividing both...
EngageNY
Unknown Angle Proofs—Writing Proofs
What do Sherlock Holmes and geometry have in common? Why, it is a matter of deductive reasoning as the class learns how to justify each step of a problem. Pupils then present a known fact to ensure that their decision is correct.
EngageNY
Geometric Sequences and Exponential Growth and Decay
Connect geometric sequences to exponential functions. The 26th installment of a 35-part module has scholars model situations using geometric sequences. Writing recursive and explicit formulas allow scholars to solve problems in context.
EngageNY
Read Expressions in Which Letters Stand for Numbers II
Reading and writing take on a whole different meaning in math class. Young mathematicians learn to read verbal phrases by focusing on operation words. They write equivalent algebraic expressions for both mathematical and contextual...
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Learn to Earn When you Tend to Spend
Analyzing and understanding word problems is extremely important. Pupils learn that in money problems, earn usually means you add and spend usually means you subtract. They will solve a series of money-related word problems, label coins,...