- Level 3
- 1-2 days days
- Dividing decimals
- Download Lesson
Standards Addressed:
- 5.NBT.B.7
Lesson Materials/Resources
No Materials/Resources attachedObjectives
Model Division of decimals by whole numbers
Assessment/CFU
Three reads/exit slip
Opening/Warmup/Connecting Prior Knowledge
Template for Recording Your Ideas for a Lesson Plan
What’s the Lesson? Dividing decimals by whole numbers |
Ideas from the Framework: http://www.cde.ca.gov/ci/ma/cf/draft2mathfwchapters.asp
Divide decimals to hundredths, using concrete models or drawings and strategies based on place-value.
5. Parative (“fair share”) division model applied to decimals. 6. Quotitive (“measurement”) division model applied to decimals (pg 18 of math framework)
The use of models, number lines, and base ten blocks.
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Tasks in the Lesson:
Dividing decimals by whole numbers, using base ten blocks and model drawings.
Chunking the base ten block problems first before moving on to the decimal model strategy.
-What information do you know about the picture frame? -What does the 2 represent in 2.4? -What does the 4 represent in 2.4? -How did you know how many tenths are in a given number? -How can you check your answer? -Can you use base-ten blocks to divide a decimal by a whole number? -How does using the model help you avoid putting the decimal in the wrong place? |
Plan and Strategies:
-During the “Investigate” and “Make Connections” sections.
-Pair/share -I do, We do, You do -Using manipulative materials. -Think central activities (dividing decimals) on the chrome book. -Whiteboards
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Checking for Understanding:
-Mid-lesson check with white boards in the “Share and Show” section on numbers 2 and 11. -End of lesson the use of an exit slip, (teacher made exit slip and/or three read strategy) |
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