Reflection: Developing a Conceptual Understanding Bicycle Shop Orders - Section 4: Independent Practice


One thing I found that worked well with helping kids figure out which part of the story was missing was to tell them to write the number sentence with the "mystery box" before they start solving. 

For example:

There were 7 red bikes and some blue bikes. There were 12 bikes in all. 

How it looks:

Kids write 7 + []= 12 before they start solving. To make this number sentence more concrete, they can touch each number and tell the story again and make sure it matches. 

"7 tells me 7 red bikes. The mystery box means I don't know how many blue bikes. The =12 part means I have 12 bikes in total".


  Write the Number Sentence First
  Developing a Conceptual Understanding: Write the Number Sentence First
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Bicycle Shop Orders

Unit 11: Missing Parts: Unknowns in All Positions
Lesson 4 of 10

Objective: SWBAT solve missing part story problems with unknowns in all positions.

Big Idea: Incorporate dramatic play into your math block with this imaginative lesson! Students pretend they are taking orders in a bike shop-with each problem they have another missing part to find!

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