Josh Frydenberg let the figures fly during the budget speech. Here's what you need to know to sort the fact from the spin

Treasurers have a trick they sometimes use to make it seem like they're spending more. Did you spot it in Josh Frydenberg's budget speech? (ABC News: Adam Kennedy)

Budget speeches are prone to flourishes and embellishment. Treasurers are always keen to spruik the achievements of the government, especially with an election pending.

But with so many figures flying at you in a single evening, it's difficult to sort fact from spin.