One-man Counterweight Trebuchet ONE-MAN TREBUCHETConstruction: Wood, with steel nails and ferruleCounterweight: Stones and timber, less than 500 kgDimensions: Height 7, 5 m. Base 4 x 4 m. Projectile leaves at […]

Compare ratios using a ratio table – 6.RP.3 LearnZillion has 2000+ videos, assessments and lesson plans aligned with Common Core State Standards that were created by master teachers. See all […]