1) How many counters are shown? a) 19 b) 20 c) 10 2) 11 ___ 13 Fill in the missing number. a) 12 b) 10 c) 14 3) 17 ____ 19 Fill in the missing number. a) 16 b) 20 c) 18 4) Is the number of ducks less that 16? a) Yes b) No 5) 75 76 77 78 ______ 80 Fill in the missing number. a) 78 b) 79 c) 97 6) How many balloons are there? a) 40 b) 50 c) 60 7) How many flowers are there? a) 70 b) 80 c) 90 8) How many bees are there? Draw a set that is TWO LESS. Write the number. a) 19 b) 18 c) 17 9) Is the number of fireflies greater than 13? a) Yes b) No 10) 20 ____ 40 50 Fill in the missing number. a) 10 b) 30 c) 60

Ch 8 - 20 and Beyond

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