Elementary math students will enjoy full-color photographs of adorable puppies and kittens as they learn the basics of addition and master adding numbers 1 through 10. This book supports the Common Core Mathematical Standards Basic by helping students develop strategies for solving equations within 20, such as counting on or applying the commutative property of addition. Number lines, fact boxes, and activities enhance the math concepts. The 'Words to Know' section in the front of the book primes students for new vocabulary before encountering it in the text.