John Gill Commentary Exodus 5:13

"And the taskmasters were urgent saying, Fulfil your works, [your] daily tasks, as when there was straw." — Exodus 5:13 (ASV)

And the taskmasters hastened them ,
Kept them tight and close to their work, and were urgent on them to make quick dispatch of it:

saying, fulfil your works, [your] daily tasks, as when there was straw ;
they insisted upon it, that they did the same business at the brickkilns, made the same number of bricks every day, as they used to do when they had straw at hand. See (Exodus 5:11) .