Unit 8 - Lesson 8 - Grade 2: Illustrative Mathematics
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21 Questions
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Grade 2 Unit 8
Lesson 8: Count Columns and Objects in Columns
CC BY 2021 Illustrative Mathematics
Grade 2 Unit 8
Lesson 8: Count Columns and Objects in Columns
CC BY 2021 Illustrative Mathematics
Lesson: Count Columns and Objects in Columns
Use 10 counters to make 2 columns with the same number in each column.
Use 15 counters to make 3 columns with the same number in each column.
Four students talked about their arrays.
- Han said, “My array has an even number of counters. It has 2 rows with 6 counters in each row.”
- Priya said, “My array has more than 10 counters. It has 4 rows with 3 counters in each row.”
- Elena said, “My array is very tall. It has 6 counters in each column.”
- Kiran said, “My array has more columns than rows. It has 3 rows.”
Cool Down: Make Rows and Columns