Lesson 62. How Many Bricks Are Left? (Subtraction)
Operations and Algebraic Thinking – Kindergarten
Hands-On Subtraction with LEGO Bricks
How Many Bricks Are Left? (Subtraction)
Goal
Operations and Algebraic Thinking
Students will practice subtraction by removing LEGO bricks that match the crossed-out pieces in the example images.
Activity Prep
- Download & print the PDF below 
- Writing tools (pencils, colored pencils, markers, etc.) 
- LEGO bricks (Any colors) 
How to Use
- Download and print the PDF. 
- Build the LEGO stack by matching the example image, including the bricks that have crossed-out marks. 
- Remove the number of bricks with crossed-out marks. 
- Fill in the numbers to solve the subtraction problem. 
Teachers
- After students complete the worksheet, please review their answers and help them with any mistakes. The answer key is below. 
Common Core
CCSS.MATH.CONTENT. K.OA.A.3: Decompose numbers less than or equal to 10 into pairs in more than one way, e.g., by using objects or drawings, and record each decomposition by a drawing or equation (e.g., 5 = 2 + 3 and 5 = 4 + 1).
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