1. past tense of chalk; marked or wrote with chalk
2. past tense of chalk; attributed or credited something to a cause
Usage: usually used with ‘up to’
3. past tense of chalk; achieved or recorded a score or accomplishment
Usage: usually used with ‘up’

Examples

• The teacher chalked the equation on the blackboard.
• She chalked her name on the sidewalk.
• He chalked up his success to hard work and dedication.
• The team chalked up another victory last night.
• They chalked the poor performance up to lack of preparation.
• The artist chalked the outline before painting.
• We chalked up three wins in a row this season.