Middle School Fractions! Adding, Subtracting! 7.3b Texas Teks
Set this up in your math center or use with your class, groups of two or three students per group. I set up measuring cups and rice for my 7th graders to get hands on experince. Tip: Rice instead of flour makes less mess!
Sample Question:Daniela made oatmeal raisin cookies for her family. Her recipe made 24 cookies using 2¾ cups of flour, 2/3 cup of brown sugar, ¾ cup of butter, 1 cup of granulated sugar, 1 cup of oatmeal, and 1¼ cups of raisins. Next week, she will use the same recipe to make cookies for her friends, but she won’t need as many cookies. How much of each ingredient will Daniela need to make 18 cookies?
• For each ingredient, complete the table. Be sure to write a matching number expression in the process column.