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Chapter 3 Lesson 1
4
Transcript
Take Apart Tens to Add
Chapter 3 Lesson 1
Essential Question
Essential Question
How can I add two-digit numbers?
Objective
Objective
What will I be able to do by the end of this lesson?
I will be able to take apart any two-digit number to make a ten to add.
Problem of the day
Problem of the Day
There are 5 snacks on a tray. There are 3 trays.
If the answer is 15,
what is the question?
Use base-ten blocks to model.
Take apart the addend to solve.
Investigate
Use base-ten blocks to model. Take apart the addend to solve.
38 + 17
Guided Practice
Guided Practice
Guided Practice
Guided Practice
Talk Math
How do you decide which addend to take apart when adding?
Complete Independent Practice
Complete Independent Practice
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