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Beginning the chart at ‘0’ and presenting it as a puzzle, demonstrates to students that 10 ones makes 1 ten and similarly 10 tens make 1 hundred. It will also teach them the order of the decades, counting on an off the decade by ten and the relationship between addition/subtraction and place value (adding/subtracting one changes the ones place, adding/subtracting ten changes the tens place).
There are 7 different puzzles. Each one comes in black and white and in color. they range in level of difficulty from – 1 (easiest) to 7 (hardest). the empty chart may be used as a guide for the pieces. I have also attached a chart for students to create their own