SHOW: 3, 324, 532 . 23428 (note: read this carefully)
Addition Decimals
Addition Problem: 3.42 + 4.69 Manipulative: Base 10 blocks Show set-up, steps to solution, the final solution, and label the final answer. Identify an appropriate Big Idea. When there are too many to write, make a trade Set up:
Final Solution:
Problem: 235.26 + 162.87 Manipulative: Hierarchal materials Show set-up, steps to solution, the final solution, and label the final answer. Identify an appropriate Big Idea: add like units Set up:
Final Solution:
Decimal Subtraction
Subtraction Problem: 7.35 – 2.67 Manipulative: Base 10 blocks Model: Take- away Show set-up, steps to solution, the final solution, and label the final answer. Identify an appropriate Big Idea. When there are too many to take away make a trade Set-up:
Final Solution:
Problem: 2.58 – 1.32 Manipulative: Hierarchal materials Model: Comparison Show set-up, steps to solution, the final solution, and label the final answer. Identify an appropriate Big Idea. Set-up: