Forty-five charming, ready-to-color illustrations include airplanes, elephants, candy canes, elves, pigs dancing jigs, a kitten blowing bubbles, and more. Each one teaches a basic numbers lesson: counting from 1 to 20, number recognition, and elementary addition and subtraction. Plus, simple rhymes help children remember each fun lesson. Free Teacher's Manual available. For grades PreK-K, ages 3-6. Book measures 8.25" x 11" .Keeping children entertained and engaged is the key to learning, and the Boost series offers a wide range of fun-filled coloring and activity books that help teach a variety of basic skills. Each title is targeted to a specific grade range and carefully aligned with the Common Core State Standards, which are listed at the bottom of each page.