1. Topic 11
Week 27 Feb. 25 , 2019

2. Topic 11
MAFS.1.NBT.3.6 (DOK 2) Subtract multiples of 10 in the range from multiples of 10 in the range (positive or zero differences), using concrete models or drawings and strategies based on place value, properties of operations, and/or the relationship between addition and subtraction; relate the strategy to a written method and explain the reasoning used. [Conceptual Understanding] · Identify the value of each digit of a number within 100. · Use concrete models or drawings to subtract multiplives of 10 in the range of from multiples of 10 in the range of (positive or zero differences). · Choose an appropriate strategy (based on place value, properties of operations, and/or the relationships between addition and subtraction) for solving subtraction problems with multiples of 10. · Relate the chosen strategy to a written method (equation) and explain the reasoning used

3. I Do!
I have 80 skittles. I lost 20. How many skittles do I have left? One way I can solve is to use a partial hundreds chart….
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4. We Do!
Dorien has 60 shoes. He gives 10 to his brother. How many shoes does Dorien have left?

5. They Do!
Kelsey has 80 stickers. She gives 30 stickers to Laneria. How many stickers does Kelsey have left?

6. You Do!
You DO: There are 80 bees in my yard. 30 fly away. How many bees are left? Explain how you got your answer. How does a partial hundreds chart help us?

7. You Do!
Aniya has 40 books. She read 30. How many books does she have left to read?
Use the partial hundred’s chart to help you solve. Explain how this helped you.
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