Doubling Before an Ending

Grade 4 Spelling Worksheet

Circle the rule that explains each spelling.

1. 1.

   "cook" + -ing = "cooking". Which rule explains this spelling?

   • "cook" has one short vowel and ends in one consonant, so double the k.
   • "cook" ends in two consonants, so just add -ing.
   • "cook" has two vowels together before the last letter, so just add -ing.
   • Always double the last letter before -ing.
2. 2.

   "trim" + -ing = "trimming". Which rule explains this spelling?

   • "trim" ends in a silent e, so drop the e and add -ing.
   • "trim" has one short vowel and ends in one consonant, so double the m.
   • "trim" ends in m, and m is never doubled, so just add -ing.
   • "trim" has a long vowel sound, so keep one m.
3. 3.

   "mix" + -ed = "mixed". Which rule explains this spelling?

   • "mix" ends in x, and x is never doubled, so just add -ed.
   • "mix" has one short vowel and ends in one consonant, so double the x.
   • "mix" ends in two consonants, so just add -ed.
   • Always double the last letter before -ed.
4. 4.

   "jog" + -ing = "jogging". Which rule explains this spelling?

   • "jog" has one short vowel and ends in one consonant, so double the g.
   • "jog" ends in a silent e, so drop the e and add -ing.
   • "jog" has a long vowel sound, so keep one g.
   • "jog" ends in g, and g is never doubled, so just add -ing.
5. 5.

   "spot" + -ed = "spotted". Which rule explains this spelling?

   • "spot" has two vowels together before the last letter, so just add -ed.
   • "spot" has one short vowel and ends in one consonant, so double the t.
   • "spot" ends in two consonants, so just add -ed.
   • "spot" ends in a silent e, so drop the e and add -ed.
6. 6.

   "hot" + -est = "hottest". Which rule explains this spelling?

   • "hot" has a long vowel sound, so keep one t.
   • "hot" ends in a silent e, so drop the e and add -est.
   • "hot" ends in t, and t is never doubled, so just add -est.
   • "hot" has one short vowel and ends in one consonant, so double the t.
7. 7.

   "float" + -ed = "floated". Which rule explains this spelling?

   • "float" ends in a silent e, so drop the e and add -ed.
   • "float" ends in two consonants, so just add -ed.
   • Always double the last letter before -ed.
   • "float" has two vowels together before the last letter, so just add -ed.
8. 8.

   "snow" + -ing = "snowing". Which rule explains this spelling?

   • Always double the last letter before -ing.
   • "snow" ends in two consonants, so just add -ing.
   • "snow" has two vowels together before the last letter, so just add -ing.
   • "snow" ends in w, and w is never doubled, so just add -ing.