Zoom icon Click to expand Tap to zoom Chevron down icon Chevron down icon Cuenta conmigo Save Liquid error (product-badge line 32): Computation results in '-Infinity'% $ 24.75 1 2 3 4 5 6 7 8 9 10+ Quantity Chevron down icon Quantity Add to cart Spinner icon Notify me when back in stock Email address Email me when available A little girl explains why she is so passionate about math. She tells readers that it is all around them and they use it every day, even without realizing it.