Lesson 9. Unit 4. Grade 1 EngageNY
This Application Problem is a part of the Lesson 9, Unit 4, Grade 1. Carl has a collection of rocks. He collects 10 more rocks. Now he has 31 rocks. How many rocks did he have in the beginning?
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Lesson 1. Unit 4. Grade 1. EngageNY
Lesson 10. Unit 4. Grade 1. EngageNY
Lesson 30. Unit 1. Grade 1. EngageNY
Lesson 31. Unit 1. Grade 1. EngageNY