Mathilde added a seventh later on - and would have made it eight but for a fine penalty save by Hucknall goalkeeper Madeline Brown.
City of Manchester thumped Otter 22-7. The game ended chaotically with Otter down to four players due to the loss of other team members racking up three exclusion offences.
Sheffield Sharks completed their second win - 16-13 against Penguin Emperors. Amelia Peters (Photo: Trevor Hyde) scored four, taking her weekend tally to ten.
In Division 2, Manchester Comets' Zara Christie scored in the very last second to clinch a 12-11 victory over Mid Sussex Marlins. Five seconds from the end, Marlins called a time-out and their goalkeeper Madeline Calthrop took a long shot, which missed - giving Manchester's keeper a chance to grab the ball and score from the whole length of the pitch. The ball landed short of the goal, momentum allowing it to dribble over the line.
A hat-trick in the final period by Emily Crossley earned Rotherham Metro a 10-8 win against City of Bristol after the teams were level at 7-7 with four minutes remaining.
Watford recovered from 9-7 down in Division 3 to beat Caledonia 13-12 thanks largely to three late goals by Eve Barnes.