## Reflection: Checks for Understanding Partial Products & Standard Algorithm Part 2 - Section 3: Student Practice

There are three ways that I ensured that student understanding was "checked" during this lesson.

1. Students were checking their own understanding. For example, in this video, Student Checking his Answer, the student uses the second strategy to check the correctness of his answer.

2. Peers were checking each others' understanding. Some partners were working independently and then checking on one other another. Other students were working alongside of their partners. Either way, when students are working within a partner or group setting, they are continually checking on one another.

3. I was also checking for student understanding. During the peer practice time, I found this student correctly multiplying using partial products, but incorrectly multiplying using the standard algorithm: Troubles Multiplying by Tens. This was a great opportunity for me to reteach her the algorithm steps as well as encourage her to analyze what does and doesn't make sense. For example, after talking with her, she agreed that 1 x 91 = 910 didn't make sense.

Checks for Understanding: Monitoring Student Learning

# Partial Products & Standard Algorithm Part 2

Unit 12: Multiplication: Double-Digit x Double-Digit
Lesson 5 of 7

## Big Idea: Students will understand the role of place value when multiplying multi-digit numbers.

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100 minutes