12月20日下午，是五年级的数学游园竞猜活动时间，同学们热情高涨，积极投入到竞猜活动中。

                                                   五年级数学游园竞猜活动

                                            认真思考

                                                                      独立解答

                                                             交流讨论

                                                                   认真检查

                                                                     排队兑奖