Beast Academy 1DBeast Academy Level 1D Beast Academy provides a fun, rigorous, challenging, complete curriculum for aspiring math beasts. What is more fun than learning math while reading a comic book about Beasts, learning via puzzles and word problems. BA Level 1D includes chapters on: Big Numbers Reading and writing numbers from 100 to 999, counting by tens, block models of place value, regrouping and expanded form. Measurement Comparing lengths, using units,