Become an Human Computer on Mars.
You are on Mars, but all computers are broken. And you have a very bad connection with the Earth. So, you need to become an Human Computer for finish your task.
Your tools? Your brain, this document and a pen.
- Singapore Method
- Left to Right Addition / Mental Math Preparation / Number sense and place value
- 2-Digit + 3-Digit + 4-Digit with Answer Key
- 23 pages = 32 exercises, 4 pages for imagine your own additions, 3 sheets for examples, 1 badge of completion to print for the students.