Unit 8 - Lesson 7 - Grade 2: Illustrative Mathematics

Last updated about 1 year ago

15 questions

Note from the author:

Instructions

Lesson: What is an Array?

Cool Down: Count the Counters

Unit 8 - Lesson 7 - Grade 2: Illustrative Mathematics

Last updated about 1 year ago

15 questions

Note from the author:

Grade 2 Unit 8
Lesson 7: What is an Array?
CC BY 2021 Illustrative Mathematics

Instructions

Grade 2 Unit 8
Lesson 7: What is an Array?
CC BY 2021 Illustrative Mathematics

Lesson: What is an Array?

Which One Doesn't Belong: Counter Collections (Warm Up)

Which one doesn’t belong?

What is an Array?

Arrange each set of counters into equal rows with no extra counters.

How many counters are there in all? _______ 

Show how you arranged them using words, drawings, or numbers.

Arrange each set of counters into equal rows with no extra counters.

How many counters are there in all? _______ 

Show how you arranged them using words, drawings, or numbers.

Arrange each set of counters into equal rows with no extra counters.

How many counters are there in all?_______ 

Show how you arranged them using words, drawings, or numbers.

Rows of Counters

How many rows are in this array?

How many counters are in each row?

How many counters are there in all?

How many rows are in this array?

How many counters are in each row?

How many counters are there in all?

Use 6 counters to make 2 rows with the same number in each row. How many counters are in each row?

Use 20 counters to make 4 rows with the same number in each row. How many counters are in each row?

Cool Down: Count the Counters