EngageNY
Sums and Differences of Decimals
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 decimals....
EngageNY
Fraction Multiplication and the Products of Decimals
Class members come up with a hypothesis on the number of decimal digits in the product of two decimals. Learners work in groups to complete several decimal multiplication problems. The results help groups develop a conjecture on the...
Curated OER
Rounding Decimals
Fourth graders engage in a lesson 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.
Illustrative Mathematics
Equivalent fractions approach to non-repeating decimals
Trying to get your class to think of decimals as fractions and vice versa can lead to interesting discussions. After all, we can usually understand quickly that 1/4 is .25 but why is 1/7 not so easy to convert? This activity looks at...
Illustrative Mathematics
Movie tickets
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...
Illustrative Mathematics
Shrinking
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.
Curated OER
Study Buddies: Adding Decimals
For this math worksheet, students will work with a coach to add numbers with decimals to the hundredths place. Students will follow a step-by-step process and notes are provided for the coach.
EngageNY
Estimating Digits in a Quotient
Boiling down any division problem to a one-digit divisor problem sure makes estimation easy. The lesson shows how to estimate division problems by using place value understanding and basic arithmetic facts to simplify the division. Some...
Education Development Center
Micro-Geography of the Number Line
Young mathematicians dive into the number line to discover decimals and how the numbers infinitely get smaller in between. They click the zoom button a few times and learn that the number line doesn't just stop at integers. Includes a...
Curated OER
Rounding Decimals
Fourth graders explore rounding a price given in dollar and cents to the nearest dollar. In this math lesson, 4th graders discover how to round to the nearest dollar. Additionally, students practice rounding money for objects that they...
Curated OER
Playing with Remainders
Fifth graders explore how people handle remainders in real life. In this remainders math lesson, 5th graders participate in skits to show what to do with remainders. Students complete worksheets with word problems.
Curated OER
Drop it or not?
Students explore fractions. In this fraction lesson plan, students play an interactive game and use manipulatives to practice working with fractions.
National Research Center for Career and Technical Education
Business Management and Administration: Compound Interest - A Millionaire's Best Friend
Many math concepts are covered through this resource: percentages, decimals, ratios, exponential functions, graphing, rounding, order of operations, estimation, and solving equations. Colorful worksheets and a link to a Google search for...
Curated OER
Math, Calories and You
Discover the connection between calories and weight. Pupils multiply their body weight times calorie estimates for various physical activities to calculate calories burned per minute and per hour. Worksheets a well as website links are...
Curated OER
What a Square
Students examine the painting "Old Man With A Gold Chain" by Rembrandt. They identify geometric shapes in the painting, measure these shapes and compare the relationships of these measurements.
Curated OER
Money Game
Fourth graders give change of one dollar. In this decimal and fractions lesson, 4th graders receive fake coins and discuss what they could purchase with them. Students go for a walk and spend one dollar and get their purchase if they...
Laboratory for Atmospheric and Space Physics
Where Are We Going?
Come take a ride on the space bus! Scholars go on an imaginary trip to pick up their peers from the inner and outer planets while reinforcing math skills. First, learners round decimals to identify each planets' distance from Earth....
Curated OER
Mental Money
Students access prior knowledge to round numbers and add decimals. In this mental math lesson plan, students share the book Betcha and calculate estimates for three jars based on the book. Students calculate money answers based on coins...
Curated OER
Solving Problems
Second graders become familiar with need strategies for computation of money problems and estimating sums. In this computation lesson plan, 2nd graders solve real life problems to understand estimation and money problems.
Curated OER
Why Guess When You Can Estimate
They apply various strategies in their estimations. They analyze the differences between guessing and estimating. They estimate the number of beans and jellybeans in egg cartons and jars respectively.
Curated OER
Making Change
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.
Curated OER
Measurement Scavenger Hunt
Students review estimation, measurement, fractions, decimals while familiarizing themselves with a new classroom at the beginning of the year.
Curated OER
2002 State Flower Show
Here is another State Quarter lesson plan. 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....
Curated OER
Science Fair Space
Students determine the most equitable way to share space and cost between three schools for a fictional science fair. Given a diagram, a word problem, and a data set, students analyze and explain the best way for all schools to share...