Your first and second-graders can practice their doubles plus 1 math facts with Sunny and Silas, two cute giraffe friends. This color-by-code freebie activity contains a positive, hidden secret message that will motivate your students to work extra hard to uncover. The giraffes have multicolored spots, but some of them are shaped as letters that spell out the secret message. The letter spots contain “Doubles + One” addition problems to 20 that require the students to color them black so they stand out from all the rest. A writing template that corresponds with the message is also included. Perfect for morning work, math and reading centers, early finishers, substitutes or homework. If you enjoy this preview click here for a complete set with more fact and sight word practice!