Make number line addition engaging this Valentine’s Day! Students use the number line to add 3 addends within 20, then cut and paste the correct sums. This hands-on format builds number sense, addition fluency, and confidence while keeping math fun and meaningful. Perfect for math centers, morning work, small groups, early finishers, and independent practice. No prep – just print, cut, and paste! ✨ Follow me for updates, new products and freebies: ✨ Follow me!This Valentine’s Day math resourc