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The numbers to the side and top indicate how many black squares there are in the row. Each number has at least one white space in between it and the next number. For instance, if the numbers are 3, 5, and 7, you will first have a group of three black squares, one or more white squares, next a group of 5 black squares, one or more white squares, and 7 black squares. The black squares can be right next to the edge or there can be several white squares between the edge and the first or last set of black squares. I hope this helps!
The numbers to the side and top indicate how many black squares there are in the row. Each number has at least one white space in between it and the next number. For instance, if the numbers are 3, 5, and 7, you will first have a group of three black squares, one or more white squares, next a group of 5 black squares, one or more white squares, and 7 black squares. The black squares can be right next to the edge or there can be several white squares between the edge and the first or last set of black squares. I hope this helps!
The numbers to the side and top indicate how many black squares there are in the row. Each number has at least one white space in between it and the next number. For instance, if the numbers are 3, 5, and 7, you will first have a group of three black squares, one or more white squares, next a group of 5 black squares, one or more white squares, and 7 black squares. The black squares can be right next to the edge or there can be several white squares between the edge and the first or last set of black squares. I hope this helps!
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In a 4 by 3 grid, there are a total of 20 squares. To calculate this, you can start by counting the individual squares of each size within the grid. There are 12 one-by-one squares, 6 two-by-two squares, and 2 three-by-three squares. Adding these together gives a total of 20 squares in a 4 by 3 grid.