6th grade Math vocabulary answers. Check yourself on the meanings of these words. Click on "6th grade Math vocabulary answers" and/or "Chapters" to go back to Math page. Chapter 1. exponent: a number that tells how many times a base is to be used as a factor. base: a number used as a repeated factor. Set up a 4th grade character by selecting "boy" or "girl" and "level 4". Then practice those 4th grade math skills! Intera ctive Skill Building Practice important 4th grade math skills. Base 10 Blocks Practice place value with base 10 blocks. Convert Place Values Practice converting between place values (example: 3 thousands = ___ ones).