Adding Numbers within 100 Using Base 10 Blocks

This video tutorial teaches how to add numbers within 100 using base 10 blocks. It begins with an introduction to base 10 blocks and place value, explaining how numbers can be represented in different ways. The tutorial then provides step-by-step examples of adding numbers, breaking down each digit into its value and finding partial sums before arriving at the final answer. The video emphasizes understanding place value and common misconceptions, such as misinterpreting the value of digits based on their position.

What common misunderstanding do students have regarding the value of digits in numbers?

How do you represent the number 11 in terms of tens and ones?

Explain how to add the numbers 47 and 28 step by step.