Unit 3: Addition & Subtraction
Mini-Unit 2: Subtracting within 1,000
Lesson 2.2: Subtracting with the Standard Algorithm
This teacher-led small group activity includes a printable math mat and editable task cards.
Students will practice subtracting with the standard algorithm and check their work with addition. There is a focus on the value of each place and decomposing 1 larger unit into 10 smaller units in order to subtract.
