LOW PREP 24 addition within 100 task cards HALLOWEEN edition. Aligned to first grade CCSS (1.NBT.C.4, 1.NBT.C.5 & 1.NBT.C6). Students will practice addition of two digit plus one digit numbers to 100 using base tens blocks, popsicle sticks, add and subtract multiples of ten and algorithm. This set has an adorable dog detective theme with three versions: color, ink saver and b/w. Use as independent practice, small group, SCOOT game, Solve the Room activity or in a math station. There are also