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.
Teach Engineering
About Accuracy and Approximation
How accurate are robots? Groups draw lines by moving robots backwards and forwards by one rotation of the wheels. Using the appropriate formula, they determine the percent error in the length of the lines in relation to the calculated...
Curated OER
Eating on a Budget
Students are "given" $25.00 to spend at a restaurant. Using the Internet, they must "order" a complete 4 course meal while staying within their budget.
Curated OER
Words, Words, Words
Second graders choose estimation strategies in real-world problem situations and explain the choice. They work in groups of five using three different estimation methods to find out how many words are on a page of text.
Curated OER
Buying My First Car
Learners pretend they are about to buy their first new car. They must do all the calculations necessary to estimate the cost of purchasing the car. They see that the math they learn in school really does have real-life applications.
Curated OER
Estimation
Students estimate the cost of individual items found on a typical grocery list. They participte in a teacher-led demonstration, solve word problems, and estimate the cost of ten items placed into their group's grocery basket.
Curated OER
Claire Damarodas
Fifth graders examine how sugars may be listed as an ingredient in various ways. E.g. Many of the words end in -ose (ex. Sucrose, dextrose, maltose)
Curated OER
Spending Spree
Students collect objects to use in a classroom store. In groups, they must place a value on each object and take turns spending their fake dollar in the store. They predict how much they can buy and use addition and subtraction to...
Curated OER
High School Mathematics Problems from Alaska: Predicting Plant Coverage
Students participate in simulation as they examine vegetation in a square meter land plot. Students construct charts and a key to make predicitons about other land plots.
Curated OER
Cigarette Smoking
Students analyze the monetary cost associated with smoking cigarettes. They calculate the life expectancy associated with how many cigarettes are smoked a day. They complete story problems as well.
Curated OER
High School Mathematics Problems from Alaska: Cigarette Smoking
Students analyze the monetary cost associated with smoking. Students use statistics to determine life expectancy and cost associated with smoking.
CK-12 Foundation
Ck 12: Arithmetic: Decimal Rounding to Estimate Sums and Differences
[Free Registration/Login may be required to access all resource tools.] Estimate sums and differences by rounding decimals to whole numbers.
AAA Math
Aaa Math: Rounding Decimals to the Nearest Tenth
This lesson from AAA Math explains how to round decimals to the nearest tenth. Gives practice problems and games to test your skills.
CK-12 Foundation
Ck 12: Arithmetic: Decimal Rounding on a Number Line
[Free Registration/Login may be required to access all resource tools.] Round decimals using a number line.
CK-12 Foundation
Ck 12: Arithmetic: Decimal Rounding Given Place Value
[Free Registration/Login may be required to access all resource tools.] Round decimals to a given place value.
CK-12 Foundation
Ck 12: Arithmetic: Decimal Rounding Given Place Value
[Free Registration/Login may be required to access all resource tools.] Round decimals to a given place considering place value
Better Lesson
Better Lesson: College Project Wrap Up
What have middle schoolers learned about college? What questions do they still have? Students work on wrapping up and reflecting on the College Project while tackling math problems. This instructional activity includes a detailed plan,...
CK-12 Foundation
Ck 12: Arithmetic: Small Decimal Rounding to a Leading Digit
[Free Registration/Login may be required to access all resource tools.] In this lesson students round small decimals to the place value of the leading digit. Students examine guided notes, review guided practice, watch instructional...
CK-12 Foundation
Ck 12: Arithmetic: Small Decimal Rounding to a Leading Digit
[Free Registration/Login may be required to access all resource tools.] In this lesson students use leading digits to estimate decimal products and quotients. Students examine guided notes, review guided practice, watch instructional...
PBS
Pbs Learning Media: Rounding to Whole Numbers
This interactive lesson focuses on using what you know about number lines and rounding from the tenths place to make decimals whole numbers and then asks you to explain your reasoning to show comprehension.
CK-12 Foundation
Ck 12: Arithmetic: Large Decimal Rounding to Decimal Representations
[Free Registration/Login may be required to access all resource tools.] Round very large numbers to a given place value.
Beacon Learning Center
Beacon Learning Center: Let's Go Shopping
Students can practice estimation by rounding decimal numbers to the nearest dollar.
AAA Math
Aaa Math: Rounding to the Nearest Hundredth
This site explains how to round decimals to the nearest hundredth. This site provides games to practice this skill.
ClassFlow
Class Flow: Rounding Decimals
[Free Registration/Login Required] The teacher will use this lesson plan flipchart to teach students how to round decimals.