Lesson 2 What's the Missing Number？第一课时 课件(共11张PPT)

(课件网) 第一课时 Lesson 2 What’s the Missing Number twenty-one thirty thirty-two forty fifty Forty-three What’s…plus… It’s…… 14 + 13 = 27 11 + 15 = 29 + 20 = 40 + 10 = 12 + 16 = 49 50 26 28 sixty seventy eighty ninety one hundred ninety one 62 63 … … … … … … … 99 Thank You 令令令令令令 702