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Lesson Plan
Curated OER

More and Less Handfuls

For Teachers K Standards
Working as a pair, two kindergartners will sit at a table and will pick two handfuls of counters. They will combine their individual handfuls into one, and count their own selection. They will then draw and record their count on a record...
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Lesson Plan
Curated OER

Five by Two

For Teachers K Standards
Help young mathematicians read and interpret numbers from 1 to 10 and sequence them correctly with this card game. Using a deck of cards and two to three classmates, have one player hand out ten cards to each gamer and then put the extra...
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Lesson Plan
Illustrative Mathematics

Counting by Tens

For Teachers K Standards
With this daily counting activity, your kindergartners will master counting in sequence automatically from 0 to 100, and will count in multiples of ten to 100. With the whole class, count to 100. With each number, learners will whisper...
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Lesson Plan
Illustrative Mathematics

Assessing Sequencing Numbers

For Teachers K Standards
Assess whether your kindergartners can identify numbers in random order using two sets of numeral cards 1-10 and 11-20. Starting with a small group and the 1-10 deck give your learners the task of putting the cards into order from...
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Lesson Plan
Curated OER

Stochastic and Deterministic Modeling

For Teachers 11th - Higher Ed Standards
Explore the difference between stochastic and deterministic modeling through programming. First have the class write algorithms for relatively simple tasks using pseudocode. Use the Python 2.7 program app to simulate Mendel's Pea Pod...
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Activity
Illustrative Mathematics

Box of Clay

For Teachers 5th - 7th Standards
What happens to a volume when you scale the dimensions of a rectangular prism? In this problem, a box of clay is increased in each dimension, with the intent to see if learners can generalize the result. The addition of...
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Activity
Illustrative Mathematics

Cari's Aquarium

For Teachers 5th - 7th Standards
The volume of a fish tank is a rather important measure when it comes to building an aquarium for different species of fish. In this problem, your kids look at how many different ways they can make a fish tank of a specific volume,...
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Activity
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Curated OER

Complex Distance

For Teachers 10th - 12th Standards
Have learners graph complex numbers to gain a visual and mathematical understanding of the distance and the midpoint between two complex numbers. This lesson is short, but to the point, and addresses an important complex number...
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Worksheet
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Curated OER

Quick Graphs of Linear Equations

For Students 9th - 12th Standards
Graph equations of lines using the slope-intercept method or by plotting both x and y intercepts. Determine if two lines are parallel or perpendicular by comparing their slopes. This handout includes step-by-step directions and four...
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Worksheet
Curated OER

Fast Growing Plants

For Students 5th - 8th Standards
Negative exponents can be tricky, but this resource makes a mathematical conundrum an easier concept to grasp by relating the concept of exponents to the amount of time a plant has been owned. Fifth, sixth, and seventh graders will...
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Lesson Plan
Illustrative Mathematics

Calculator Trouble

For Teachers 4th - 6th Standards
When is not solving the expression the correct answer? When you are checking the understanding of a math concept that is not number dependent. The real question being asked here is to look at the initial number, fraction, mixed number,...
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Lesson Plan
Curated OER

Egyptian Fractions

For Teachers 5th Standards
You don't have to be an ancient Egyptian to decipher fractions in this activity that focuses on adding fractions with unlike denominators and developing fraction number sense. Egyptians represented fractions differently than we do. They...
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Activity
Illustrative Mathematics

How Much Pie?

For Teachers 5th Standards
The connection between fractions and division is not always intuitive for 5th graders. Pie, on the other hand, is something 5th graders can connect with. Multiple pies divided among multiple people provide the platform for your...
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Activity
Illustrative Mathematics

Making S'Mores

For Teachers 5th Standards
Fifth graders will be clamoring for s'more fractions after they finish this one! Motivated by a chocolate bar used for a yummy campfire treat, learners have to decide how to add fractions without like denominators by discovering the...
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Activity
Illustrative Mathematics

Jog-A-Thon

For Teachers 5th Standards
Adding fractions with unlike denominators can be cloudy, but attaching the fractions to real-life math can add to fraction number sense. Alex needed to run only a mile, will completing the training in two segments satisfy this...
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Activity
Illustrative Mathematics

Painting a Wall

For Teachers 4th - 6th Standards
Red and yellow do not make orange in this activity, but they do create a real-life, multiplication of fractions word problem. As either a lead-in or an assessment, math masters display their understanding of 1/2 x 5/6 when a wall...
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Activity
Illustrative Mathematics

Mixed Numbers with Unlike Denominators

For Teachers 5th Standards
There is more than one way to add mixed numbers. This learning exercise asks 5th graders to find and record two ways. The purpose is to help pupils realize there are different ways to reach a common solution in math. The two most common...
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Activity
Illustrative Mathematics

Salad Dressing

For Teachers 5th Standards
Aunt Barb's salad dressing is a mixture of oil, vinegar, salt, herbs, and a pinch of math. Fifth graders add the fractional measurements of ingredients to find a total amount. The fractions have unlike denominators. After finding the...
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Activity
Illustrative Mathematics

To Multiply or not to multiply?

For Teachers 4th - 6th Standards
When do you multiply a fraction by a fraction? Here, fifth graders are given 10 different word problems and asked to decide if multiplying 2/5 x 1/8 is appropriate. Many times, real-world word problems sound similar although the required...
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Activity
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Curated OER

Sitting across from Each Other

For Teachers 7th - 12th Standards
What is the probability that two randomly seated people will be across from each other at a square table? Check learners' understanding of theoretical probability and compound events with this short assessment. A great opportunity to...
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Activity
Illustrative Mathematics

Seeing is Believing

For Teachers 5th Standards
How many visual models can be used to show multiplication? Three basic kinds of models can be used to represent and explain the equation 4 x (9 + 2).  The commentary section provides description and graphics to explain the set...
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Lesson Plan
Fraction Bars

Solving Word Problems - Whole Numbers Times Fractions

For Teachers 4th - 5th Standards
An impressive instructional activity where pupils visualize models and solve problems involving multiplying a whole number times a fraction. Fraction bars are used to help learners truly understand what's happening during this...
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Lesson Plan
Oklahoma State University

Math for Peanuts

For Teachers K - 2nd Standards
Peanuts! Get your peanuts! Kids explore math, art, and agriculture concepts focused on peanuts. There is a brief informational text to get them started, and you'll find definitions of five in-text vocabulary words to address. Kids...
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Activity
Illustrative Mathematics

Toll Bridge Puzzle

For Teachers 2nd - 3rd Standards
Here is a great problem-solving activity for young mathematicians. Intended solely for instructional purposes, the activity is appropriate for learners to add four numbers together. Not only must they add four numbers together,...