This is a list of the 75 Core Words first graders are required to be able to spell correctly by the end of the year. Students are expected to be spelling these words correctly in their writing following the introduction of the word on weekly spelling lists.
| the | of | and | a | to | in |
| is | you | that | it | he | for |
| was | on | are | as | with | his |
| they | at | be | this | from | I |
| have | or | by | one | had | not |
| but | what | all | were | when | we |
| there | can | an | your | which | their |
| said | if | do | will | each | about |
| how | up | out | then | she | many |
| some | so | these | would | other | into |
| has | more | her | two | like | him |
| see | time | could | no | make | than |
| first | been | its |