Depending on how this Task is approached, it can support various Standards including 3.OA.B.5 & 4.NBT.B.5.
Grade 3 should be able to do this task by using the Distributive Property: 12x15 is equivalent to (12x10) + (12x5) or broken down even more to use simpler facts (12x10) + (10x5) + (2x5).
*Note: This task is a bit more rigorous than the similar task "How many Large Hearts Are in the Bag?"
Grade 3 should be able to do this task by using the Distributive Property: 12x15 is equivalent to (12x10) + (12x5) or broken down even more to use simpler facts (12x10) + (10x5) + (2x5).
*Note: This task is a bit more rigorous than the similar task "How many Large Hearts Are in the Bag?"