Rachael Haynes of Australia won the toss and elected to bat first.
Diana Baig appeals during the ICC Women's World Cup 2017 match between Pakistan and Australia
Australia lost both its openers early, but Ellyse Perry set the tone with a measured 66 off 97 deliveries including five fours.
Sidra Nawaz and Sana Mir celebrate the wicket of Rachael Haynes
Perry had the support of Elyse Villani, who scored 59 off 40 balls including five fours and four sixes.
Sana Mir was the pick of the Pakistan bowlers finishing with figures of three for 49.
Australia were able to put up a respectable total of 290 for 8 courtesy a Alyssa Healy's rapid 63 off 40 balls.
Bibi Nahdia is bowled by Jess Jonassen for duck.
Pakistan wasn't able to gain momentum in their chase, losing wickets regularly.
Pakistan's middle order struggled to get runs with Australia's economical bowling.