Third graders answered this question:
...because people are curious and want to know stuff, math helps them understand
....cavemen invented math to tell how many mammoth tusks they had to trade
......so that cavemen could plan their hunting trips
.....so that cavemen could plan their wars
...because people are curious and want to know stuff, math helps them understand
....cavemen invented math to tell how many mammoth tusks they had to trade
......so that cavemen could plan their hunting trips
.....so that cavemen could plan their wars