1) How many cubes? a) 19  b) 91 2) How many cubes? a) 41 b) 14 3) How many cubes? a) 11 b) 10 4) How many cubes? a) 24 b) 15 5) How many cubes? a) 11 b) 10 6) How many cubes? a) 20 b) 21 7) How many cubes? a) 13 b) 12 8) How many cubes? a) 17 b) 71 9) How many cubes? a) 10 b) 11 10) How many cubes? a) 61 b) 16 11) How many cubes? a) 16 b) 17 12) How many cubes? a) 13 b) 14 13) How many cubes? a) 18 b) 81 14) How many cubes? a) 12 b) 13 15) Which set has 1 ten and 6 ones? a) b) 16) Which set has 1 ten and 9 ones? a) b) 17) Which set has 1 ten and 5 ones? a) b) 18) Which set has 1 ten and 8 ones? a) b) 19) Which set has 1 ten and 7 ones? a) b) 20) Which set has 1 ten and 4 ones? a) b)

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