common core ela 3rd grade 6th grade 7th grade grammar 8th grade l.4.1 l.5.5 l.5.1 l.4.5 esl l.3.1 l.7.4 l.8.4 word study math rf.4.3 l.6.4 high school rf.5.3 rf.3.3 comma l.3.2 punctuation l.5.2 l.4.2 l.6.2 l.7.2 5.nf.1 fractions 3.nf.3 6.ns.1 homonyms l.6.1 5.nf.2 l.7.5 l.8.5 writing l.4.3 l.1.4 sentences l.4.3a w.5.2 w.6.2 w.7.2 4.nf.3 w.8.2 l.2.1 2nd grade antonyms geometry 4.g.2 5.g.4 5.g.3 triangles isosceles scalene l.3.5 6.ns.4 synonyms l.4.4 opposites 4.nf.1 1st grade l.6.5 l.9-10.5 kindergarten l.11-12.5 l.k.5 place value equilateral 4.nbt.1 l.7.1 l.8.1 l.1.1 5.nbt.3 decimals time rl.3.4 5.md.1 rl.5.4 numbers 5.nbt.1 measurement 4.md.1 verb tense