IMPROVED!! Common Core Standards included in the file ~ Specific Details in the Product Overview ~ Spark your 2nd and 3rd grader's interest for reading by using this mini unit on the popular book "The Gruffalo". Children love this book! There are 6 activity worksheets, and answer keys for 2 of them. 2nd Grade - R.L.2.1., R.L.2.2., R.L.2.3. 3rd Grade - R.L.3.1., R.L.3.2., R.L.3.3.