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Curated Video
Multiplying Decimals and Whole Numbers: Using an Area Model
In this video, the teacher explains how to multiply decimals and whole numbers using an area model. They demonstrate how to represent numbers using base 10 blocks and explain the importance of considering the decimal when multiplying.
Curated Video
Estimating Fraction Sums and Differences with Benchmark Fractions
In this video, students learn how to use benchmark fractions to estimate the sums and differences of fractions in story problems. The teacher explains the concept of benchmark fractions using the dollar and number line representations.
Curated Video
Dividing Using an Area Model
In this video, the teacher demonstrates how to divide using an area model. The students are shown how to break down division problems into smaller parts and use multiplication to find the solution. The teacher emphasizes the use of...
Curated Video
Estimating T-Shirt Orders for Field Day: Proportional Reasoning
Learn how to use proportional reasoning to estimate the number of t-shirts of each size to order for a field day. Review the concept of random sampling and how it helps in making valid inferences about the entire population. Explore how...
Curated OER
How Do You Estimate a Quotient Using Compatible Numbers?
Learn how to do approximations to find a quotient. Given some large numbers to divide, how can this problem be tackled? It's often a good idea to do an approximation first as this can help to be in the ballpark in finding the solution....
Curated OER
How Do You Mentally Find Percents That are Powers of 10?
Powers of 10 are about moving the decimal around. The instructor illustrates how to move the decimal when it's ten percent or it's one percent. Once you understand this procedure you can do the mental math, in your head of course!
Curated OER
How Do You Mentally Find Percents That are Powers of 10?
Powers of 10 are about moving the decimal around. The instructor illustrates how to move the decimal when it's ten percent or it's one percent. Once you understand this procedure you can do the mental math, in your head of course!
CK-12 Foundation
Ck 12: Elem Math: Fractions With Different Denominators Word Problems
[Free Registration/Login may be required to access all resource tools.] CK12-Fractions with Different Denominators - Word Problems is a tutorial video
PBS
Pbs Kids: Math in the Bath
A learning module where students using their counting skills to fill a bath tub with water. Through the module, students will use their skills of estimation too.
Sophia Learning
Sophia: Rounding to the Thousandths Place: Lesson 10
This lesson demonstrates rounding up or down to the thousandths place in a decimal. It is 10 of 10 in the series titled "Rounding to the Thousandths Place."
Virtual Nerd
Virtual Nerd: How Do You Round a Decimal to a Given Place Value?
Find out how to round a decimal to a given place value. [4:28]
Loyola University Chicago
Math Flix: Rounding
This QuickTime movie provides a lesson on rounding whole numbers. As you watch and listen to the teacher and student interact it helps clarify the thinking behind applying this concept.
Sophia Learning
Sophia: Estimating: Lesson 5
In this lesson, students will learn what an estimation is and how they can estimate with numbers. It is 5 of 5 in the series titled "Estimating."
Sophia Learning
Sophia: Estimating With Decimals: Lesson 6
In this lesson, students see how to round up or down in order to estimate with a decimal. It is 6 of 10 in the series titled "Estimating with Decimals."
Sophia Learning
Sophia: Estimating With Decimals: Lesson 1
In this lesson, students see how to round up or down in order to estimate with a decimal. It is 1 of 10 in the series titled "Estimating with Decimals."
Sophia Learning
Sophia: Estimating With Fractions: Lesson 11
In this lesson, estimating with fractions will be explored. It is 11 of 11 in the series titled "Estimating with Fractions."
Sophia Learning
Sophia: Estimating With Fractions: Lesson 5
In this lesson, estimating with fractions will be explored. It is 5 of 11 in the series titled "Estimating with Fractions."
Sophia Learning
Sophia: Estimating With Fractions: Lesson 9
In this lesson, estimating with fractions will be explored. It is 9 of 11 in the series titled "Estimating with Fractions."
Sophia Learning
Sophia: Practice Estimating: Lesson 2
This lesson should provide examples of how to make good estimations. It is 2 of 4 in the series titled "Practice Estimating."
Sophia Learning
Sophia: Rounding to the Hundredths Place: Lesson 2
In this lesson, students are shown how to round up or down to the hundredths place in a decimal. It is 2 of 10 in the series titled "Rounding to the Hundredths Place."
Sophia Learning
Sophia: Rounding to the Hundredths Place: Lesson 6
In this lesson, students are shown how to round up or down to the hundredths place in a decimal. It is 6 of 10 in the series titled "Rounding to the Hundredths Place."
Sophia Learning
Sophia: Rounding to the Hundredths Place: Lesson 9
In this lesson, students are shown how to round up or down to the hundredths place in a decimal. It is 9 of 10 in the series titled "Rounding to the Hundredths Place."
Sophia Learning
Sophia: Rounding to the Hundredths Place: Lesson 1
In this lesson, students are shown how to round up or down to the hundredths place in a decimal. It is 1 of 10 in the series titled "Rounding to the Hundredths Place."
Sophia Learning
Sophia: Rounding to the Ones Place: Lesson 8
This lesson explains how to round up or down to the nearest ones place. It is 8 of 10 in the series titled "Rounding to the Ones Place."