Question Video: Understanding Place Value in Two-Digit Numbers Mathematics • 1st Grade

Count the base ten blocks, and then write the number.


Video Transcript

Count the base 10 blocks, and then write the number.

First, let’s count the 10 blocks. There are four blocks. So we need to count in tens four times: 10, 20, 30, 40. Now, let’s count the ones. There are five. Four tens is 40; five ones is five. 40 and five is 45.

the number is 45.

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