Curriculum
Bootcamps
Algebra
Geometry
Numbers & Quantities
Statistics & Probability
Functions
Proofs
More Learning Tools
Encyclopedia
Study Tips
Pen & Paper exercises
Excel / GeoGebra recipes
All Math
Games
Junior Math
Multiplication Master
Treasure Trail
Wind Surfer
Stack n´load
Referral
Ava knits 15 a day. After 7 days she reached 150. What length did she start on?
105
45
50
150
Prev.
Check answer
Skip
Help?
