5th Grade Spelling Week 18
-tion words
Explanation:
*If the ending is pronounced as in station, then it’s spelled -tion. For example: addition; duration; nation; solution; ambition; edition; caution; position.
*If the noun is related to a word ending in -ate, then the ending will be -ation, e.g. donation (from donate) or vacation (from vacate). Here are some more examples: accommodation; location; creation; rotation; education; mediation.
*If the ending comes after any consonant apart from -l, -n, or -r, then the ending is spelled -tion: action; connection; reception; affection; interruption; description; collection; infection; deception.
*After -n and -r, the ending can be -tion or -sion. It’s more likely to be -tion if the word’s related to another one that ends in -t or -tain, e.g. assertion (from assert) or retention (from retain). Here are some more examples: exertion; distortion; abstention; invention.
Word Bank:
- prescription
- subscription
- introduction
- tradition
- condition
- description
- reception
- communication
- application
- subtraction
- recommendation
- elevation
- circulation
- addition
- explanation
- condensation
- contribution
- nomination
- election
- celebration
Math Content Words
- fraction
- decimal
- numerator
- denominator
- equivalent
