Math Mountains

Math Mountains helps build number sense as students learn the relationships within fact families. Math Mountains is similar to triangle or three-corner flash cards, but this app is much less expensive and can do so much more! Students can use Math Mountains as flash cards to increase math fact fluency (Practice), and can find many ways to show any fact family (Explore).

Learn more about Math Mountains: Add & Subtract >>

Learn more about Math Mountains: Multiply & Divide >>