Rhythm
To practice rhythm, look over the exercise. Start by tapping 1 bar of a steady beat. This exercise will have 3 beats per bar.
While tapping this steady beat, clap, tap or speak the rhythm of the exercise.
Sight Singing
Look over the exercise. Figure out the key signature.
Then play the recording. There will be a broken chord playing the Do Mi, So and top Do pitches followed by the starting note.
Sing along with the recording using the solfege syllables. Note that some syllables are not written. Try to sing the correct solfege syllable for the pitches.
This will be sung an octave lower than what is written.