Curated Video
Adding 10 Across 100 with Base 10 Blocks
Learn how to add 10 to a three-digit number using base 10 blocks. They demonstrate that when adding 10 to a number, it can sometimes result in a new hundred. The teacher provides a clear example and walks through the process...
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Adding Multi-Digit Whole Numbers Using Partial Sums
In this lesson, students learn how to add multi-digit whole numbers using partial sums and expanded form. They understand the value of each digit based on its location in the number and break down the numbers into expanded form to add...
Curated Video
Multiplying Two-Digit Whole Numbers Using the Standard Procedure (Example)
Multiply two two-digit whole numbers using the standard algorithm.
Curated Video
Reading and Writing Whole Numbers (Base-ten numerals)
Read and write multi-digit whole numbers in base-ten numerals.
Curated Video
Addition Using Base-Ten Blocks (Example)
Adding multi-digit whole numbers using base-ten blocks.
Curated Video
Rounding to the Nearest 10 with a Carry in Many Places
Round multi-digit whole numbers to the nearest ten when a carry is needed.
Curated Video
Numbers and Base-Ten Blocks (Part 2)
Represent multi-digit whole numbers using base-ten blocks.
Curated Video
Numbers and Base-Ten Blocks (Part 1)
Represent multi-digit whole numbers using base-ten blocks.
Curated Video
Reasonableness of Answers Using Rounding
Check for reasonableness of answers using rounding.
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Subtraction Using Base-Ten Blocks with Regrouping (Example)
Subtraction using base-ten blocks with regrouping.
Curated Video
Subtraction of Multi-Digit Whole Numbers (Part 2)
Subtraction of multi-digit whole numbers.
Curated Video
Understanding Place Value and Powers of 10
In this video, students learn about the relationship between numbers with different place values using base 10 blocks. Explore how the value of each place in a number is 10 times greater than the place to its right. Through examples of...
Curated Video
Representing Numbers
In this video, the teacher explains how to represent larger numbers using just paper and pencil. By breaking the numbers apart by place value, students can draw simple and organized representations that help them understand the value of...
Curated Video
Adding and Subtracting 10 Using a Number Chart and Place Value Model
In this lesson, students will learn how to add or subtract 10 from 3-digit numbers using a number chart. The video explains that when adding or subtracting with 10, the tens place changes while the ones place remains the same.
Curated Video
Dividing Multidigit Numbers Using Base 10 Blocks
In this lesson, students will learn how to fluently divide multidigit numbers using base 10 blocks. They will understand the relationship between multiplication and division as inverse operations and how to use the standard algorithm to...
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Assess Reasonableness of an Answer Using Front End Estimation
In this video, students are taught to round the lead digit to the nearest hundred and then add the rounded numbers to get an estimated sum. By comparing this estimate with the actual sum, students can determine if their answer is...
Curated Video
Comparing Decimal Dollar Amounts Using Coin Values
This video explains the place value system for decimal dollars, starting with the tenths place and moving to the hundredths place. Through examples and fractions, students learn how to compare different decimal dollar amounts and...
Curated Video
Assessing the Reasonableness of Sums with Rounding
In this video lesson, students will learn how to assess the reasonableness of addition problems by using rounding. The teacher explains the process of rounding each number to the leftmost place of the smallest number and then adding them...
Curated Video
Place Value and Multiplication by Ten
Understand the relation between place values as multiplication by 10.