Math: algebra

Potato cut in 8

Take 2 potatoes of similar size and shape and a baby plastic spoon. Choose the thickest potatoes for this activity. Cut one potato into 8 equal parts either lengthwise and make them look the same (or almost the same). Say we cut the potato into eight equal parts. Each part is the same as the other ones. Take 1 cut piece. Say this is one eighth of the potato. Let’s put it right here. Put one eighth of the potato in front of the baby. Say: let’s pretend that this spoon is out imaginary line. We will put it under the eighth of the vegetable. Put the spoon below the piece of the potato. Take another potato and also cut into eight equal pieces. Say now this is the whole potato made of eight pieces. If we put the eight pieces together, they will be one whole potato. We will put this cut into eight pieces potato beneath the imaginary line – our spoon. Put all the eight pieces of the second potato under the spoon. Point to the one eighth of the potato and say: one (point to the 8 pieces below) eighth of the potato! Point several times to the one eighth and the eight pieces below and name them. Take another eighth piece. Say I will put it next to the first one eighth. Take it and put it above the spoon and next to the first cut piece. Say: now we have got two eighths of the potato up here! Point to the pieces and start counting: one, two. Point to the 2 pieces and say 2! Point to the eight pieces below the spoon and say eighth! 2/8th!

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