Fast & Furious

1.OA.6 – Subtract multiples of 10 in the range 10-90 from multiples of 10 in the range 10-90, using concrete models or drawings and strategies based on place value, properties of operations, and/or relationship between addition and subtraction.

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.

Act 1

What do you notice?  What do you wonder?

Focus questions – How far did the yellow car go?  How far did the black car go?  Which one went farther and by how many cubes?

Act 2

Act 3