Grade 1
The Core Knowledge Foundation Bookstore will be closed beginning at 3 pm ET on Thursday, December 18th, 2025 for the holidays and maintenance. We will reopen on Thursday, January 8th, 2026 at 8 am ET. The online bookstore will be unavailable during this timeframe, and no orders will be taken via phone or email.
Showing 49–60 of 83 results
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Teacher GuideMesopotamia: CKHG Teacher Guide
$15.95 Read more -
Teacher GuideThe Culture of Mexico: CKHG Teacher Guide
$18.95 Read more -
Teacher GuideThree World Religions: CKHG Teacher Guide
$18.95 Read more -
Grade-Level SetCKSci Grade 1 Complete Grade-Level Set
$1,402.20 Read more -
Classroom SetExploring Light and Sound: CKSci Classroom Set
$233.70 Read more -
Classroom SetHelpful Computers: CKSci Classroom Set
$233.70 Read more -
Classroom SetHuman Body Systems: CKSci Classroom Set
$233.70 Read more -
Classroom SetPlant and Animal Survival: CKSci Classroom Set
$233.70 Read more -
Classroom SetScience for Everyone: CKSci Classroom Set
$283.70 Read more -
Classroom SetSimple Machines: CKSci Classroom Set
$233.70 Read more -
Classroom SetSun, Moon, and Stars: CKSci Classroom Set
$233.70 Read more -
Homeschool Set
Exploring Light and Sound: CKSci Homeschool Set
$42.90 Read more
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