). They must first add these together and then determine how much more is needed to reach using regrouping. 2. Deep Space Subtraction with Regrouping
Subtract the weight of asteroids to clear a path. Complex Example: igry dlia 2 klassa slozhnye primery innoplanetaninami
Use "Alien Base 10" blocks (visual aids) to show how Zork "breaks down" a ten to subtract from the ones column. For example, to solve , you must borrow from the tens to turn 3. Galaxy Comparisons: Greater Than / Less Than Aliens are collecting "Star Gems" from different planets. igry dlia 2 klassa slozhnye primery innoplanetaninami