Riddle me this! “What do you call an unsolved puzzle from long ago?”

To solve this and other riddles in this 24-lesson learning unit, students must first solve a series of addition and subtraction computations. With correct numeric answers, children can crack the letter code provided and answer the riddle.

Math difficulty peaks with adding and subtracting double-digits. An Answer Key is included. Reading level 2-3. Grade level 3-5.

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