This is apparently the case in India, where of children surveyed in grade 5 only slightly more than half could do subtraction.
Source: Birdsall, N cited in Pritchett, L (2013) The Rebirth of Education: Schooling Ain't Learning [Online] CGD Books
This is apparently the case in India, where of children surveyed in grade 5 only slightly more than half could do subtraction.
Source: Birdsall, N cited in Pritchett, L (2013) The Rebirth of Education: Schooling Ain't Learning [Online] CGD Books