Sometimes dealing with decimals is so much easier than dealing with fractions. The ninth lesson in a 21-part module has the class consider situations when it might be easier to add or subtract fractions by first converting to...

After discussing decimals and "going shopping" in the classroom, young mathematicians are given four practical word problems that require them to estimate their answers, given specific information. The highlight of the lesson is having...

A quick activity to test the knowledge of your learners on adding and subtracting with decimals. They must calculate how much Jayden spent at the store and how much money he has remaining.  

Work with the class to investigate the concept of dividing decimals. They will use a variety of problem-solving skills in order to practice the operation of division. The teacher can use the dialogue to guide learners through the various...

Fifth graders examine ways to save and spend money. They look at ways that people earn, save, and spend money using chapters from Tom Birdseye's Tarantula Shoes. They add and subtract decimals to fill in a worksheet entitled, "Is It a...

Fifth and sixth graders compare decimals to the place-value structure in the base-ten number system. They represent fractions as parts of unit wholes, as parts of a set, as locations on a number line, and as divisions of whole numbers....

Students convert between decimals and fractions. In this algebra lesson, students show their knowledge of numbers by putting them on a number line. They apply the concept of algebra to solving word problems. Students will use a Ti...

Is it possible to add infinitely long decimals? As pupils complete the examples in the ninth lesson of this 25-part series, they determine that adding these decimals cannot be done without error. Their task is then to determine the size...

The 15th lesson in the series of 24 helps your classes understand the ppm (part per million) unit of measure. First, scholars experiment with food coloring to determine concentrations before applying their findings to calculate...

What happens when combining percentage discounts? The last lesson in a series of 29 introduces the idea of combining discounts one after another. Pupils wrestle with the claim that to find the total discount, they need to only add...

Mathematics aces, after a warm-up activity with some easy calculations, practice solving rules of signs and powers of 10 equations. Multiplying and dividing decimals is also covered within this lesson in depth. A variety of examples and...

Adolescents love to shop, especially when an item is discounted. Here, shoppers only have a set amount of money to spend. Will they be able to make a purchase with the discount and tax added in? Percent discounts can be calculated...

It's never too early to learn about grocery budgeting. Middle schoolers delve into the world of consumer math with a instructional activity that focuses on both healthy choices and real-world math applications. Groups work together to...

Learners observe projectile motion and calculate the speed of a baseball based on the time and distance traveled. They record the time, measure the distance, and draw the path of the ball's travel on a data table.

Students access prior knowledge to round numbers and add decimals. In this mental math instructional activity, students share the book Betcha and calculate estimates for three jars based on the book. Students calculate money answers...

Here is another State Quarter lesson. This one uses the Mississippi State Quarter. Pupils utilize beautifully-designed worksheets embedded in the plan, to practice calculating which combinations of flowers they can afford to buy. They...

In order to create some tasty fudge, learners must adapt a recipe. Using a recipe for fudge, ingredients must be correctly converted using fractions. If one fraction is incorrect, the fudge will reveal it! Although you will only make one...

How much is your toaster costing you every day? Young environmentalists calculate the monetary costs of household appliances based on their average consumption of wattage.

Students create an exercise and nutrition program. In this interdisciplinary lesson, students use calculations of exercises plus their corresponding effects on the body and nutritional values of food to derive a health plan. Students...

Third graders add and subtract decimals.  In this third grade mathematics lesson plan, 3rd graders are given an imaginary $100 to purchase five Beanie Babies.  Students determine which five they would like to purchase and...

Second graders explore how to incorporate a new type of technology, the cash register and/or a calculator, as a motivational tool for solving real life problems. They practice estimating money and counting back change from $20.00.

Students, in groups, determine the volume of a box large enough to hold a million dollars. They calculate the dimensions of a bill and the volume of the money.

Students explore approximate and exact solutions. In this interdisciplinary instructional activity, 6th graders will be placed in 'family groups' to create a budget that is subject to random events as chosen from the 'things happen' box....

Students explore the concept of place value with a hand-made odometer. For this math lesson, students construct a cardboard odometer with movable paper strips to show increases in mileage to the hundredths place. Students solve story...