How do I animate a hopping character to fixed distances?

Really basic question here.. I'm trying to animate a 3D character hopping a fixed amount in each direction (Crossy Road style). This is the basic code I have currently:

     void Movement(){
         if (Input.GetKeyDown(KeyCode.RightArrow)) {transform.Translate(Vector3.right * 1f);}
         if (Input.GetKeyDown(KeyCode.LeftArrow)) {transform.Translate(Vector3.left * 1f);}
         if (Input.GetKeyDown(KeyCode.UpArrow)) {transform.Translate(Vector3.forward * 1f);}
         if (Input.GetKeyDown(KeyCode.DownArrow)) {transform.Translate(Vector3.back * 1f);}
     }

Two things I want to work differently:

• Currently the character just snaps over, I'd like the transition to last a fixed amount of time (1/4 of a second)

• I'd like it to have a hopping keyframed animation during the transition. Can you point me to a good tutorial on how to mix keyframed animation with fixed distance motion?

I don't think I have to using physics for a Crossy Road style game, right?

Thank you su much!