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...
Curated OER
Transportation Math
Students practice their problem solving skills. In this addition and subtraction lesson, students solve story problems regarding the delivery of consumer goods.
Curated OER
Using Inverse Operations to Solve Equations
Fifth graders discover how to use inverse operations to solve equations. In this inverse operations lesson, 5th graders explore visual examples. Students also practice solving problems that their instructors model.
Curated OER
Writing up Math in English
Seventh graders review the steps in writing a math problem. They write story problems stating the situation, the problem to be solved, explaining the process used to solve the problem, and state the answer. Students view a PowerPoint...
Curated OER
Math Game Night
Young scholars plan a family game night. In this problem solving lesson, students brainstorm games to play, watch a video to help with room arrangement and determine which room arrangement would work best. When all the preparations are...
Curated OER
Not So Snappy 13- Word Problems
In this word problem worksheet, learners problem solve to find the answers to 4 examples. They use a variety of strategies including solve a simpler problem, and using logic in their work.
Curated OER
Musical Math Challenge
Fourth graders engage in a instructional activity in which problem solving is set to music - like musical chairs. They listen to classical music to set a thought-provoking atmosphere. This is also an excellent method of reinforcement or...
Curated OER
When Are We Ever Going to USE This MATH?
Fourth graders engage in discussion of various occupations and learn where math fits into the scheme of things. They are diagnostically assessed to determine proficiency in computer, writing, and problem-solving mathematical skills set...
Curated OER
Multiplication Math Problems
In this multiplication worksheet, pupils problem solve 62 multiplication math problems involving multiples of 3, 4, 5, 6 and 9.
Curated OER
Moving-Math Hopscotch
Young scholars engage in a hopscotch game where each square represents a number. In this mental math and movement lesson, students take turns playing traditional hopscotch, but add a mental math component where they add or subtract...
Curated OER
Math Lesson Plan: Bread Bag Tabs: Patterning
Young scholars explore the concept of patterning. In this patterns lesson, students use recycled plastic tab closures as well as their problem solving skills to identify and create patterns.
EngageNY
An Application of Linear Equations
Just how far will the Facebook post go? Lead a discussion on how to manipulate the sum of a geometric series to figure out a formula to find the sum at any step. The plan contains an alternative to the discussion with more...
Illustrative Mathematics
How Many Containers in One Cup / Cups in One Container?
The object is to model fraction division by asking “How many are in one group?” It is a difficult concept to understand, but developing the model that shows one cup to a certain amount of container or one container to a certain amount of...
Mathematics Assessment Project
Deducting Relationships: Floodlight Shadows
Try to figure out what happens with shadows as a person moves between two light sources. A formative assessment lesson has individuals work on an assessment task based on similar triangles, then groups them based on their...
Illustrative Mathematics
Equations and Formulas
Your class is asked to use inverse operations to solve eleven equations for unknown variables or to rearrange formulas to highlight a quantity of interest. By using the same reasoning as solving one- and two-step equations, algebra...
Illustrative Mathematics
Voting for Three, Variation 2
Here is another opportunity for math learners to apply reasoning to solve real-world problems with ratios. The ratio of the number of votes for two candidates is provided. Your class is asked to use this ratio and information given about...
Illustrative Mathematics
Traffic Jam
Help your learners understand dividing with fractions by using these methods to solve. Chose from two different number lines or linker cubes. This practices "how many groups?" style division problems which help them comprehend why...
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.
Illustrative Mathematics
Guess My Number
Make a game out of solving equations. This particular activity works well for pairs of learners. Follow the instructions to have player one pick a number and player two verbally give an equation. Participants need to make sense of a...
Illustrative Mathematics
An Integer Identity
Challenge algebra learners to use the difference of cubes to solve this problem. Once your charges have taken out the factor (a - b), combined the like terms and set them equal to zero, the problem becomes a factorable quadratic...
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.
Missouri Department of Elementary
How Much Does Smoking Really Cost?
Following a brief survey about tobacco, scholars examine a fact sheet to answer questions about the substance. A practice page challenges the class to determine the cost of the habit using money math. Pupils discuss their findings...
Illustrative Mathematics
Chess Club
When the membership in a chess club changes, it is your mathematicians' job to find out how many boys and girls are attending and the percent change from last year. The activity provides a great compound problem finding the different...
Illustrative Mathematics
Running to School
The object of this activity is to compute how far Rosa ran to school. Given in the exercise is the fractional number of miles between home and school and the fractional distance Rosa ran. The commentary shows several ways to have your...
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