National Security Agency
Are You Game? A Lesson Connecting Fractions and Probability
Exactly how fair are the board games children grow up playing? Young mathematicians investigate this questions as they work their way through this five-lesson series on basic probability.
Curated OER
My Foot and the Standard Foot
Young mathematicians put one foot in front of the other as they learn how to measure length in an elementary math lesson. Using paper cutouts of their own feet, children measure classroom objects as they discover the importance of...
Curated OER
Feature column: Hands on Math With Technology
Young learners will view a math adventures video and practice math concepts. Afterwards they will navigate through Internet sites to participate in teacher selected math adventures. This guide walks you through integrating...
Curated OER
Data Analysis and Froot Loops
Use this probability and graphing lesson to have your learners work with a partner to make a necklace out of Froot Loops. They record the cereal colors randomly chosen and strung, graph their data, then use a ratio formula to determine...
Curated OER
Taking Estimation and Measurement Outside
Eighth graders gain a better understanding of visual distances and estimation. They actively practice using metric measurement and conversion. Students practice cooperative exploring and team building.
EngageNY
The Pythagorean Theorem
Class members explore the estimation of irrational numbers in association with the Pythagorean Theorem. The first lesson of this module challenges pupils to use the Pythagorean Theorem to find unknown side lengths. When the length is not...
EngageNY
Bacteria and Exponential Growth
It's scary how fast bacteria can grow — exponentially. Class members solve exponential equations, including those modeling bacteria and population growth. Lesson emphasizes numerical approaches rather than graphical or algebraic.
Curated OER
The Estimation Station
Students challenge "common knowledge" against newly learned estimation strategies and put those strategies into use. They consider variables in estimating different groups of objects and practice skills of representing numbers.
Curated OER
Pumpkin Time
In these two lessons, science learners participate in various activities involving pumpkins. They investigate and research the life cycle of a pumpkin. They observe pumpkin growth and decomposition. Finally, they estimate and measure...
Curated OER
American Indian Flute and Math
Students investigate the Math behind Musical instruments in this cross-curricular Math activity on the Native American Flute and waveforms. The activity can be accomplished in 6 days and includes an extensive materials list for...
California Mathematics Project
Meteorology
See how estimation is essential to making temperature weather maps. Scholars use ratios and rates of change to estimate temperatures at locations where temperature readings have not been made. They connect this idea to linear functions.
Curated OER
Expert Estimators
A rich and well-designed lesson on estimation is here for you. The lesson utilizes a video; ITV Series: The Eddie Files 'Estimation: Going to the Dogs,' along with many websites. Several fantastic learning activities are...
Mathematics Assessment Project
Estimating Volume: The Money Munchers
Don't stuff money under your mattress. To find out why learners first complete a task determining how $24,000 in cash would affect the height of a mattress and whether this same amount would fit into a suitcase of given dimensions....
EngageNY
Solving Problems Using Sine and Cosine
Concepts are only valuable if they are applicable. An informative resource uses concepts developed in lessons 26 and 27 in a 36-part series. Scholars write equations and solve for missing side lengths for given right triangles....
Curated OER
An Introduction To Volume
Upper graders explore the topic of volume. In this math lesson plan, pupils count volume in cubic units, multiply to find volume, estimate volume, write a multiplication sentence to find the volume, and make a cost analysis of different...
Curated OER
Computation and Estimation
Students read "Moosey Saves Money" and use mental math to determine if Moosey is saving any money. In this math computation and estimation lesson, students discuss the story in relation to saving money, recording in their math journal....
Curated OER
Lesson #10 Standard Measurement
Learners are introduced to units of measurement found on a ruler as well as what attributes make an object difficult or easier to measure with a ruler. The teacher has various objects placed around the room, and the youngsters practice...
Curated OER
Applied Science - Science and Math Lab
Learners make a prediction. In this applied science lesson, students guess the number of items in a jar. Learners create a bar graph to show the predictions and the actual amounts.
EngageNY
Decimal Expansion of Pi
Develop a better understanding of the value of pi. Learners explore the area of a circle using estimation and graph paper. While continuing to estimate the area of the circle using smaller and smaller grids, the number pi emerges.
EngageNY
The Decimal Expansion of Some Irrational Numbers
Develop a definition of irrational numbers through an exploration of square roots. The 11th activity in this series of 25 asks scholars to estimate the value of a square root. Learners observe as the estimation extends further and...
Curated OER
Count on Math
Students develop number sense up to a million. In this developing number sense up to a million lesson, students count their breaths in given time span. Students use blocks representing 10's and 100's to create a...
Curated OER
Measurement Scavenger Hunt
Students review estimation, measurement, fractions, decimals while familiarizing themselves with a new classroom at the beginning of the year.
Bowland
You Reckon?
Sometimes simple is just better. A set of activities teaches young mathematicians about using plausible estimation to solve problems. They break problems down to simpler problems, use rounding and estimation strategies, and consider...
PBS
Estimating Profit from a Job
Profit always seems to get everyone's attention. The same is true during a lesson plan on estimation. Learners use given information to estimate the cost of supplies for a painting job. They then develop a strategy for estimating...