Video: Representing 3-Digit Numbers in Equivalent Forms

Jennifer and David are representing numbers with base ten blocks and digits. Have they represented the same number? Write the number represented by the blocks in unit form. What is the tens digit in Jennifer’s number?

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Video Transcript

Jennifer and David are representing numbers with base ten blocks and digits. Have they represented the same number? Write the number represented by the blocks in unit form. What is the tens digit in Jennifer’s number?

Here are Jennifer’s blocks and David’s number. The first part of the question asks us if they’ve represented the same number. Jennifer has used base ten blocks to represent the number. The blue base ten blocks represent 100, and there are three. So we know that Jennifer’s number has three hundreds. The pink blocks represent the number of ones in Jennifer’s number; there are six. And Jennifer’s number has no tens blocks. David’s number is number 36 which has three tens and six ones. The answer to the question have they represented the same number is no. Jennifer’s number is number 306. David’s number is number 36.

The next part of the question asks us to write the number represented by the blocks in unit form. The number represented by the blocks is Jennifer’s number, 306. 306 has three hundreds and six ones. And the final part of the question asks us what is the tens digit in Jennifer’s number. There are no tens in Jennifer’s number. So the tens digit is zero. Jennifer and David represented numbers with base ten blocks and digits.

The number represented by Jennifer’s blocks was the number 306. And the number represented in digits by David was 36. So the answer to the question have they represented the same number is no. The numbers are different. The number represented by blocks in unit form is three hundreds and six ones. And the tens digit in Jennifer’s number is zero. Although Jennifer and David used some of the same digits, Jennifer’s number had a zero in the tens place.

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