Premium English-Spanish addition and subtraction story-problem resource for Kindergarten-Grade 1, homeschool, ESL and special education. Learners read, act out, choose an operation, build equations, model, solve and explain within 10. Includes join, part-part-whole, take-away and unknown-change structures plus matching color and low-ink editions, US Letter and A4, adult guide, answer key and protected preview.

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