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National Security Agency
Line Plots: Frogs in Flight
Have a hopping good time teaching your class how to collect and graph data with this fun activity-based instructional activity series. Using the provided data taken from a frog jumping contest,...
Reardon Problem Solving Gifts
Teaching Problem Solving Strategies in the 5-12 Curriculum
Address any kind of math concept or problem with a series of problem-solving strategies. Over 12 days of different activities and increasing skills, learners practice different ways to solve problems, check their answers, and reflect...
Arcademics
Tugboat Addition
Test young mathematicians' addition skills with an engaging learning game. Two tugboat teams race to answer as many addition problems as possible.
Worksheet Web
Using Pictographs
If one ice cream cone represents three ice cream scoops, and Bob has four ice cream cones, then how many scoops does Bob have? Learners solve these kind of questions with their new understanding of pictographs.
Curated OER
Star Wars: Rays and Angles Edition
Rays and angles and Star Wars? It sounds strange, but it's actually a fun game to help fourth graders get good at measuring and identifying angles and rays with a protractor. Each pair of children chooses which Star Wars character they'd...
PBS
Working with Coordinate Planes: Activities and Supplemental Materials
Seven activities make up a collection of supplemental materials to reinforce graphing on a coordinate plane. Worksheet objectives include plotting coordinates within single and four quadrants, measuring straight and...
EngageNY
Summarizing Deviations from the Mean
Through a series of problems, learners determine the variability of a data set by looking at the deviations from the mean. Estimating means of larger data sets presented in histograms and providing a way to calculate an...
EngageNY
Matrix Multiplication and Addition
To commute or not to commute, that is the question. The 26th segment in a 32-segment lesson focuses on the effect of performing one transformation after another one. The pupils develop the procedure in order to multiply two 2 X 2...
Curated OER
Addition Squares
In this addition worksheet, students practice their adding skills. Students complete addition squares where they have four sums and are to find the two addends for each sum. There are five squares in all.
Curated OER
Comparing and Rounding Decimals
Comparing and rounding decimals are skills that take practice. This presentation does a great job of clearly showing how to do these techniques, and has many slides where learners get practice while being guided through all of the steps....
EngageNY
Vectors in the Coordinate Plane
Examine the meaning and purpose of vectors. Use the lesson to teach your classes how find the magnitude of a vector and what it represents graphically. Your pupils will also combine vectors to find a resultant vector and interpret its...
Software Smoothie
Imagination Box - Colors, Shapes, Numbers and Letters
This app provides young learners with opportunities to be creative while they work with different colors, letters, numbers, and shapes.
Illustrative Mathematics
Right Triangles Inscribed in Circles I
One of the basic properties of inscribed angles gets a triangle proof treatment in a short but detailed exercise. Leading directions take the learner through identifying characteristics of a circle and how they relate to angles and...
Mathematics Vision Project
Module 9: Modeling Data
How many different ways can you model data? Scholars learn several in the final module in a series of nine. Learners model data with dot plots, box plots, histograms, and scatter plots. They also analyze the data based on the data...
Purdue University
The Case of the Pilfered Pin: A Measurement Inquiry Activity
Who pilfered the pin? Scholars practice measurement skills as they solve the mystery of a stolen pin. They measure length, temperature, and mass and determine which of select suspects committed the crime. During the STEM hands-on...
EngageNY
Average Rate of Change
Learners consider the rate of filling a cone in the 23rd installment of this lesson series. They analyze the volume of the cone at various heights and discover the rate of filling is not constant. The lesson ends with a...