A five-question interactive test scholars' knowledge of adding and subtracting decimals. A tool aids in problem-solving with movable parts that reveal addends and sums. Question types include one discussion, fill and in the blank, and several multiple-choice. 

Concepts

adding decimals, decimals, addends

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Additional Tags

math

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Instructional Ideas

• Walkthrough the interactive before assigning it for independent practice 
• Assign the link as one math center rotation, have learners record their scores, write their response to number five on a piece of paper, then turn it in for review 
• Work through the interactive as a class

Classroom Considerations

• To open the interactive, create a free account to CK-12
• Class members should be familiar with addition and subtraction of decimals 

Pros

• Provides praise for correct responses and reveals the right answer if a wrong answer is chosen
• Additional information about the concept can be found in the Learn More link 

Cons

• Measurements are missing numbers and decimals points do not serve a useful purpose 
• Some questions are written without proper detail and explanation 

Common Core

5.NBT.B.7 6.NS.B.3