An interactive offers five questions that challenge scholars to subtract decimals. A diagram featuring a tree and birdhouse with moveable parts is designed to assist mathematicians in finding solutions. Types of questions include multiple-choice, short answer, fill in the blank, and discussion. 

Concepts

subtracting decimals, decimals, subtraction, subtraction equations, decimal word problems, subtraction word problems

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Additional Tags

math

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Instructional Ideas

• Walk through each problem, think out loud, and call on pupils to assist in finding the solution 
  
• Send the link home for additional practice outside of school 

Classroom Considerations

• A free account to CK-12 is required to open the interactive
• Remind participants to reset the diagram between questions

Pros

• Feedback is provided as soon as responses are given 
• Contains information about the concept 

Cons

• Dialing the points to the exact location can be tricky 

Common Core

4.MD.A.2 5.NBT.B.7 6.NS.B.3