These subtraction flash cards in the Ready to Learn series will help young math students from kindergarten to second grade (ages 4 to 8) strengthen their math skills.Help children master the basics of subtraction with Ready to Learn: K–2 Subtraction Flash Cards. Half of the cards in this 48-card set show equations vertically, and the other half horizontally, so as to familiarize beginning math students ages 4 to 8 with the two most common ways they’ll see the problems in school. Whether students quiz themselves or work with a partner, they’ll find that these math flash cards reinforce the skills needed to succeed in kindergarten through second-grade math. Shows equations in two formats: vertically and horizontally.Each card features a subtraction problem with its solution on the other side.Portable for on-the-go learning.Includes 48 two-color cards.Meets Common Core State Standards.Get to know the Ready to Learn series! Developed for kids entering pre-kindergarten all the way through third grade, Silver Dolphin’s Ready to Learn series of educational and engaging workbooks, workpads, write & wipe formats, and flash cards will put young learners on the path to success. Focusing on three key subjects—reading, writing, and math—each grade level is vetted by experts in early education to adhere to the Common Core State Standards Initiative. Foundational, buildable skills are introduced, developed, and reinforced with colorful illustrations and familiar learning formats that will encourage learning confidence as kids benefit from extra educational opportunities outside the classroom.