Back To School 4th Grade Math Worksheets & Teaching Resources | TpT Back to School 4th Grade Math by Hilda Ratliff This "Back to School" resource reviews various concepts taught in 3rd grade math. Included are: 1. Determine the unknown whole number in multiplication or division equations relating three whole numbers. 2. Add and subtract within 1000. Page 1 3. Identify place value. Page 2 4. Round to the neares