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RE: 3RD GRADE MATH - USING A RULER TO MEASURE SMALL LENGTHS
1 inch equivalent to 2.5 centimeters, the measuring scale is always in the measuring tool either ruler or other length measuring tool. but rarely familiarize the child to observe the measuring tool he has so that the child patterned in his brain that 1 inch = 2.5 cm. so is the application in life. so @mathworksheets.