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Poor Justin! He broke his calculator right before a big test.
Help Justin make the target number. You may only use the remaining buttons!
Based on source code from www.subtangent.com which is made available under a
Creative Commons Attribution Non-commercial Share-alike license.
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Calculator Chaos - Learning Connections
Essential Skills
Problem Solving - devise unique solutions
Mental Math - practice order of operations

Common Core Connection for Grades 4+
Apply properties of operations as strategies to add and subtract.
Add within 100, including adding a two-digit number and a one-digit number.
Fluently multiply and divide within 100.
Use parentheses, brackets, or braces and evaluate expressions with these symbols.
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