Chalk Box
2.OA1 – Using addition and subtraction within 100 to solve one-and two-step word problems involving situations of additing to, taking from, putting together, taking apart, and comparing, with unknowns in all positions.
2.NBT.5
adding up to 1000
Act 1
What do you notice? What do you wonder?
Focus Questions: How many chalk are there for each color? How many chalk pieces are there all together?
Extension: How many pieces are missing from the box?
Act 2
Act 3
Extension Question:
