Fraction grampy game

There are combinations of unit fractions that will complete a whole cookie. After you drag one cookie piece onto Grampy's cookie you will have the option of dragging another piece or of entering a denominator of your choosing. The computer will display the sum of the parts as you build the cookie.

You will also be shown the remaining amount. Try to use up the smaller pieces soon. The game is finished when the spare cookie is too small for any spare amount needed. This button will open a dialog that asks you to submit your name.

You may prefer to submit a code for your name. An article in the New York State Mathematics Teachers' Journal; , references the use of fraction circle pieces using the unit fractions rules above to build a complete circle. Suggestions and advice from George W. The Cookies Per Minute score is the average number of times a complete cookie is made in one minute.

Try to achieve a score of two cookies or better. By playing the Cookies for Grampy game you are learning addition, subtraction, and multiplication of fractions. You may, of course, enter any code for your name instead. Visual Fractions. He is hiding at a fractional distance between the beginning and the end of the fence. When Grampy hides, Grammy will tell you the total number of equally-spaced positions along the fence.

That number of equally-spaced positions is the denominator of the fractional distance. The denominator will tell you the size of the spaces. The higher the denominator the smaller the spaces. The bottom number 5 in the numeral is the denominator. In this example there are 5 equal spaces in the fence. Grampy will hide at end of a space.