Teachers, save “Missing Marshmallows (missing addends)” to assign it to your class.

Little Elf needs your help! He's mixed up the marshmallows on the hot chocolate orders. To solve the equation click to move and add marshmallows to the ten frame. How many more did you need? Choose or to add your answer to the equation. Help Little Elf by adding the needed marshmallows to each cup of hot cocoa. Use the to explain your thinking on each slide. to turn in your assignment.