



 
Hi Stephanie, The volume of a box is the length times the width times the height which is how I think you found the volume to be \[10 \times 6 \times 4 = 240 \mbox{ cubic inches.}\] A half inch cube is 1/2 inch by 1/2 inch by 1/2 inch so its volume is \[\frac12 \times \frac12 \times \frac12 = \frac18 \mbox{ cubic inches.}\] Hence it takes 8 half inch cubes to fill 1 cubic inch and hence $8 \times 240$ half inch cubes to fill 240 cubic inches. Penny  


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