Please use Partner B's iPad. Partner A please put your iPad in your desk. Place the number cards face down in front of the white basket. Partner A turns over the top card and creates a linking cube train of that number of cubes. Partner B creates a new train with exactly the same number of cubes and 1 more. Record a drawing in your math journal. Record an equation to match your drawing. Take a of your cube train, number card, and equations. Click the button and explain your thinking. Use the sentence frame: We made a double plus 1 ____ + ____ +______ = ____. or We made a double plus 1 ___ and ____ and _____ make ____. Click the green to add to your journal. Repeat this activity again by clicking on the blue Respond Again link.