Sound confusing? Yep, so were the kiddos!
Tuesday, February 3, 2015
I don't know about you, but sometimes the math lesson materials and manipulatives list can look extremely overwhelming. I immediately got my teacher anxiety when I saw that each pair of students were going to need 50 unifix cubes. That's about 450 unifix cubes just to complete the Front Page! Our objective was to take a whole number ( like 43) and use that number as the sum in addition problems ( 40 + 3= 43, 30+13=43, 20+ 23=43 10+33= 43 0+43=43). The curriculum wanted the students to start by building with unifx cubes- 4 groups of tens and 3 ones. After the students would create their 4 groups of tens and 3 ones, they would take one of the groups of tens and put it in the ones and so on.