5 ones=...., 2 tens=...., 2 ones, 3 tens=....., 79=......ones,.....tens, 54= .....+......., The place value of 2 in 23 is..., The place value of 4 in 84 is..., 23 (>,<,=) 2 tens,3 ones, 17=......tens,.....ones.

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