Vocabulary (p. 74+75)
Stones (p. 76)
Grammar (p. 77); past simple affirmative, questions and negatives/negations
Extra material:
Stone 1 (p. 48), Stone 2 (p. 64), and Stone 3 (p. 65)
Grammar: Past simple: regular and Past simple: irregular (p. 52 + p. 53
Grammar: Past simple: questions and Past simple: negations (p. 69 + p. 70)