How does a biblical worldview ground math? Is math a reflection of the mind of God (which we recognize because His creation is orderly, and to some degree reflects His nature)—similar to laws of logic being a reflection of the perfect mind of God?
First some groundwork: It seems highly presumptuous for us to assume that something reflects the mind of God, when the only way we can truly know the mind of God is through what He has told us in His Word. To make that argument means we are interpreting general revelation as providing specific content regarding His invisible attributes, eternal power, and divine nature, when Scripture only reveals that those three aspects are seen through His creation (which would include math).
The problem is that there is no (authoritative) hermeneutic for general revelation except for special revelation, and thus we cannot make authoritative claims of specificity regarding the extent of revelation within general revelation.
Instead, I prefer to rely on special revelation for specifics about general revelation—to be dogmatic on the content of general revelation only where special revelation gives us permission. For example, Genesis 9, Job 38-39, and Isaiah 40 describe processes of nature, and assert God’s sovereign control over those processes. The aspects that are revealed in those processes are related to His sovereignty, so I can dogmatically assert His sovereignty, because special revelation does so.