Posted by Anne Bordine on Saturday, December 15, 2012
Presented problems: 4 + 3 = ____ + 6
Student error: 4 + 3 = 7 + 6
Some of us still are not treating the = sign as a balance/equality between the two sides.
Also, some of us don't understand that an equation can be written 7 = 4 + 3 as well as 4 + 3 = 7.
We will be exploring fact families and the relationship between addition and subtraction with regard to equations and the many ways they can be written.