Maths
Year 3
Expanded Column Method
18.1.21
LI - To use expanded column method to add 2- and 3-digit numbers
This week, we will continue working on the expanded column method.
Year 2 (Group A) - Alice, Jey, Layla, Sana, Eliza, Leonardo, Caroline
LI - To add 2-digit numbers using place-value cards (using partitioning) with totals more than 100
Partition 2-digit numbers into 10s and 1s
For example:
54 + 23 =
First partition the 10s
50 + 20 = 70
Then the 1s
4 + 3 = 7
Next add the answers together: 70 + 7 = 77
Y2 (Group B) - Raisa, Moise, Deigo, Joel, Sara, Valeria, Elli, Tomas, Daryus
LI - To order 2-digit numbers