Libro Studio LLC
Humble Math: Double Digit Addition & Subtraction Workbook (Grades 1-3)
100 days of reproducible addition and subtraction practice problems. Double digits, triple digits, and more. Designed to make daily math routines simple and effective. Word problems are included with each day to promote higher level thinking and answers are listed in the back of the book.
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Shipping calculated at checkout.Regular price $12.99
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FAQs
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How soon will my order arrive?
- Physical orders usually ship within 3-5 days and we expect most to arrive to you within 7–14 business days of placing your order. You will receive tracking information so you can follow your order.
- We ship to US addresses only.
- Digital orders will arrive in your inbox within a few minutes if not instantaneously. We will send them to the email address you use at checkout.
Can I return my order if it's not what I expected?
We accept refunds on unused physical products within 30 days of delivery. If you receive an incorrect we will replace it or issue a full refund at no cost to you. For more details please see our full Return Policy.
Are your products appropriate for all grades and ages?
We encourage you to read each product description carefully before purchasing and use your own judgment about what is right for your child's age, maturity, and your family's values.
If you have questions about a specific product, feel free to contact us before purchasing.
Do you accept state homeschool allotment funds?
We are happy to work with families across multiple states to help use homeschool allotment and state education funds. Eligibility varies by state and program.
Email us at support@nextchapterhomeschool.com if you have any questions!

