Partitioning to Add

June 6:  Adding two  two-digit numbers using partitioning

---

We are reviewing how partitioning can help use add and subtract 2 digit numbers.  Below are three videos we will use with our different groups to help us better understanding how this strategy can help us problem solve!

Challenge question:  What is the root of the word 'partition'?  How does the root help us remember the meaning of this maths term?

---

• The Partition Song: https://www.youtube.com/watch?v=GCcedon_N8s&feature=youtu.be
• A: 2 digit partitioning using partial sums by LearnZillion (click on link)
• B: Add within 100 using base 10 blocks from Learnzillion (clickon link)
• C:  Adding two digit numbers using partitioning with dienes (click on link)

Extra:
When you add or subtract with a Pirate (simple problems but great vocabulary) youtu.be/WT_wvvEvkw4
​

Categories

All
Addition
Partitioning
Yr2