Texas Instruments
Drawing a Line Tangent to a Circle
Explore lines tangent to a circle. In this math lesson, students manipulate circles and lines on a TI calculator. They draw a circle and analyze perpendicular lines intersecting the circle in only one place. This activity works best if...
Curated OER
Environmental Agents of Mathematics: Mathematics for Change
High schoolers analyze environmental science data using Math. They do research about renewable energy, gather data, create graphs and interpret their findings. Then the group presents their arguments persuasively using their findings to...
Primary Junction
Adding Tens
Build on your learners' confidence in quick addition as they discover strategies to add tens to two-digit numbers. After reviewing counting by 10's, they discuss tactics to add multiples of 10 to other numbers. They visualize how to...
Curated OER
Ordering Sets of Decimals
Practice putting decimals in order. This resource presents ten sets of decimals for kids to order. After working through the first five sets, they review measurement and unit conversion (kilometers and meters) in the next five problems....
Curated OER
Vocabulary Cards 2nd Grade M-Z
Math vocabulary has never been easier to understand! Use vocabulary cards to bring word walls to your classroom, helping kids make the connection between important math terms and easy-to-understand illustrations.
Curated OER
Yummy Gummy Subtraction
Learners practice subtraction facts using gummy bears. In this subtraction lesson, students use the gummy bears as a manipulative to solve simple subtraction facts.
Pennsylvania Department of Education
Build What I've Created
n this geometric lesson, students define and identify two dimensional shapes based on their attributes. They complete worksheets based on the geometric concepts.
Missouri Department of Elementary
Be a Problem Solving Star
Encourage scholars to problem solve everyday frustrations using the STAR method. Using the acronym, learners remember to stop, think, act, and review. Participants begin with a math analogy in which they problem-solve to find the correct...
Curated OER
Points on a Line
Get your learners up and moving, all while reviewing numbers on the number line! For this activity, learners are grouped in teams outdoors. The teacher will have already created number lines on the ground (with chalk, tape, etc.), and...
Curated OER
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...
Curated OER
Similarity and Dilations - Discover Properties of Similar Figures
Learners investigate properties of similar figures. In this properties of similar figures activity, pupils construct similar figures using Cabri Jr. They dilate their figure to create a similar one, and discuss the relationships between...
American Institutes for Research
Digital Smiles
Explore metric measurement, recording data, and creating an electronic spreadsheet displaying results with your math class. Scholars will measure the length of their smiles, record the measurements, and represent the results on an...
Curated OER
Sippin' on Smoothies
Why is calcium good for the body? Where is it stored? Young chefs discover the importance of calcium and review a list of foods that are rich in the material. They then make delicious smoothies high in calcium! Teaching kids how to make...
Curated OER
Solve Word Problems of Equal Share
Youngsters solve division word problems. They will make their own division word problems using objects in equal groups. They share how they solved their problem with the class. Division worksheets are included to support the process....
Curated OER
Multiplying Fractions Times Whole Numbers
Multiplying fractions by whole numbers is the focus of the math instructional activity presented here. There are three activities outlined in the instructional activity along with a nifty game learners play on the computer that...
Hawaiʻi State Department of Education
Symmetrical Objects
In order to better understand how to locate a plane of symmetry in 3-dimensional objects, learners create a dance. The class reviews dance and math symmetry, then they practice making symmetrical shapes and movements with a partner. They...
Curated OER
Subtracting Decimals #4
Practice subtracting decimals to the hundredths place. This assignment includes amounts of money and units of measurement. Three sections of problems provide subtraction problems in both vertical and horizontal formats, as well as two...
Curated OER
Angles
Learners identify obtuse and acute angles in comparsion to a right angle. They identify obtuse, acute, and right angles. Pupils use "Shape Measure" to construct obtuse, acute, and right angles. They review line segements to locate right...
Curated OER
Rounding Decimals
Fourth graders engage in a activity that is about the concept of rounding decimals. They review place value and focus it upon the practice of rounding. Students use 10 base decimal grids or models to help make connections with the skill.
Teach Engineering
Understanding Elements
Nothing says organization quite like a table. The third lesson in a six-part Mixtures and Solutions unit teaches young scientists about elements and the periodic table. They learn how the periodic table is organized and about the...
Curated OER
Calculating the Cost of Living
Bring Consumer Mathematics and Economics to life with this lesson, where learners investigate personal finance and budgeting. They use the newspaper’s classified section to determine a future job and potential earnings and determine a...
Curated OER
Goal Setting
Young scholars understand how they can incorporate dietary guidelines in their daily life. In this investigative lesson students set dietary goals and incorporate an activity to learn how to create a new seed variety while studying...
Curated OER
Area of Circles and Probability
Young scholars investigate the area of squares and circles. In this geometry lesson, students calculate the area and probability of simple events. They work on a laptop using Safari.
Curated OER
Incredible Integers!
There are three parts to this instructional activity on integers. In the first, learners explore positive and negative numbers on an actual painter's tape number line and by playing a "Hot Seat" game. In part two, they view a BrainPop...