1) 54 + 0 a) 54 b) 50 c) 0 d) 56 2) 45 + 20 a) 75 b) 55 c) 65 d) 80 3) Tom says 50 + 10 is 70. Is he correct ? a) Yes correct answer is 70 b) No, correct answer is 60 c) No d) No, correct answer is 100 4) 20+20+20 a) 40 b) 60 c) 80 d) 6 5) Ravi shows 4 tens and 7 ones on his base ten blocks. Sana shows 3 tens and 6 ones. What is the total number? a) 47 + 36 = 83 b) 74 + 36 = 89

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