Grade 4 - Patterns in Charts

Look at the positions of the coloured squares. The . position . pattern rule is: Use 3 as the start diagonal. The coloured squares lie along every third diagonal. The diagonals go 1 down, 1 left. The . number . pattern rule is: Start at 3. Add 3 each time to 39. 1 down, 1 left. Start at 3 in a diagonal. 1st 2nd 3rd ................
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