Get those white boards out! 20 multiplication and division problems using compatible numbers to estimate. This activity can be done whole class, in stations or even as door cards!
Door Cards- Print the cards and use as flash cards as kids come in the door- they need to answer the question to come in the room!
This product is included in Unit 1 Extending Whole Number Operations 5.3A 5.3B 5.3C 5.3K