Young mathematicians access a website that leads them through three activities that enable them to practice their rounding and estimation skills when it comes to numbers and math word problems. There is also a very good worksheet...

Is Aunt Nancy shrinking? Find out by calculating with the average height women lose each year. The activity practices multiplying and dividing with decimals and rounding the final answer.

Mathematicians need to know that not all numbers are rational. We approximate irrational number with rational numbers. That is why a calculator may be misleading. This task give learners an opportunity to see how rounding a number and...

When three classrooms are to split up prize money, your mathematicians must find the percentage that each class deserves and calculate the total amount. There is an option to use a calculator and practice rounding. 

NASA presents a mini-unit on distances in our solar system. It incorporates scientific concepts of gravity, mass, density, and payload while your aspiring astronauts also employ mathematics skills. They calculate speed, they determine...

Subtracting fractions that have unequal denominators is a tricky process. The activity utilizes fraction bars as a manipulative, in order to understand subtracting fractions and estimating differences. After completing three activities...

Elementary-aged scientists discover that all matter has mass. They are shown the difference between mass and weight, and learn how to calculate mass using the appropriate tools and methods. The scientific method is used while estimating...

Via the concrete setting of estimating the population of the US, your algebra learners are introduced to a logistic growth model. Comparing and contrasting logistic, exponential, linear and quadratic models, to see which fits the data...

This is a good Common Core question that relates inflation to operations with decimals and rounding. Young learners are asked to find out if an amount of money can purchase the same amount of movie tickets in 2012 as it did in 1987. They...

What a creative way to delve into adding large numbers! After listening to a story called The King's Chessboard, learners estimate how much money they would have each day following instructions based on doubling and exponentially...

Kids use their hands, bodies, and voices to explore the musical concept of a round. They say vegetable words while stomping and clapping out a rhythm in unison and then in a round. They then sing a round while maintaining a steady beat....

An exercise in finding the approximate time that a name would be called at a graduation. Estimating time may be difficult for some of the class, so this resource would not be a good choice for learning this standard. It does end with a...

A rich and well-designed activity on estimation is here for you. The activity utilizes a video; ITV Series: The Eddie Files 'Estimation: Going to the Dogs,' along with many websites. Several fantastic learning activities are...

Here is another in the interesting series of lessons that use the special State Quarters as a learning tool. This one uses the Mississippi State Quarter. During this instructional activity, pupils learn about the variety of state flowers...

Ghost pots, fishing gear lost during crabbing expeditions, continue to trap crabs that are never collected. Increase your budding ecologists' awareness of human impact on the environment as well as conservation efforts using this...

How to use the relationship between multiplication and division to solve math word problems is the focus of the instructional activity presented here. In it, fourth graders work in groups to solve problems posed by the teacher. Then,...

This is an intriguing problem that brings together real-world data, technology, and mathematical problem solving. If visibility wasn't an issue, could you see from the highest point in the lower 48 states, Mt. Whitney, to the lowest...

To compare how the Spanish, French, and English approached the exploration of North America, class groups examine primary source documents and become experts on one of four explorers: Francisco Coronado, Robert LaSalle, Samuel de...

Here is a nice lesson, which includes some good worksheets, on pumpkins and how they grow. It is an ESL lesson designed for beginning and early intermediate students. After listening to some books about pumpkins, learners label pumpkin...

A quick activity to test your learners' knowledge of percent increase. When an electronic store needs a 30% increase in computer sales, your mathematicians must calculate how many computers they need to sell next month.

Your young basketball players will build a table and develop a general formula for a decaying exponential scenario involving the rebound distance of a bouncing ball. Using a CBR and graphing calculator can make this even more hands-on...

Your young physicists analyze the forms of four equivalent exponential expressions representing an amount of a radioactive material in a substance. They show how each expression is equivalent to the others and what aspects of the decay...

Solving word problems requires reading comprehension and math computation. Through an interactive slideshow presentation, fourth graders observe and follow each step toward solve multiplication and division word problems. 

Finding out how to calculate tax and tip is a valuable skill that all young adults should be able to do without a calculator. Learners are given a bill and asked to calculate the tax, tip, and total amount. Calculations can be exact or...