Find a path for spaceships on a 7 by 9 grid.
Grid size: 7x9
Find safe passage for your spaceship through the asteroid field! Look in all squares by solving each problem, if an answer matches one in Open Space mark the square with an O.
Mixed addition and subtraction with tens and ones, then a comparison.
Common Core Standards: 1.NBT.4 1.NBT.5 1.NBT.6 1.NBT.3