Today, I will add 2-digit numbers to a multiple of 10.
Vocabulary
Teacher Resources Considerations:
Application Space:
16 + 30 =
+
T
O
1
6
3
0
4
6
Emphasize to students the importance of following the steps in the proper order, so that they can avoid making errors in adding ones and tens. Additionally, take care to stress the importance of transferring the equation into the application space.
Steps: 1. 2. 3. 4.
Copy the problem into your application space. Add the ones. Add the tens. Box your sum.
Application of MPs: MP1:
How can you prove your answers?
MP2: How do you know your answers make sense? MP4: Is there an easier way to find the answer?
/ *MP1: Make sense of the problem and persevere in solving it! *MP8: Find a strategy to help solve the problem. Directions: Solve to find the sum. Prove your work.
Directions: Create your own addition problem. Prove your work.
1. Application Space
2. Application Space
*MP3: Do you agree/disagree with what
said?
*MP6: How do you know your answers are correct/reasonable?
Recap today’s lesson with one or more of the following MP questions: MP1: How did you prove your answers? MP2: How did you know your answers made sense? MP4: Was there an easier way to find the answer?