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Lesson 7

Warm-up Activity 1 Activity 2 Activity 3

Unit 8, Lesson 7

Count Large Collections

Grade 1

Warm-up

What do you know about 103?

Activity 1

None

Activity 2

How many objects are in your collection?

Represent how many in as many ways as you can.

Activity 3

How many cats are there?

Array. 10 rows with 10 cats in each row, Bottom row, 8 cats.

There are ____________ cats.

Show your thinking using drawings, numbers, or words.