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House of Math
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House of Math
Capital One Offers
Cash back
6% back
6% back
OnlineNeed activation
To earn the rebate you must make an eligible purchase at houseofmath.com. Active subscription and payment validation required after the free trial period. Use of promotional codes not provided by Capital One may invalidate your offer. To earn the rebate, you must be a Capital One cardholder or bank account holder, and logged in to your account on capitalone.com or the Capital One Mobile app.
Seen by others for this program. Check your bank app to confirm availability before purchase.
No expiration listedLast updated Jul 12, 2026