Understands two-digit numbers as tens and ones; count with dimes and pennies; two-digit addition with regrouping.

Note: The goal for this level goes beyond simply memorizing math facts. The goal is knowing the “breakaparts,” which means the paired values that compose a target number. For example, the breakaparts for the target 4 are: *0 and 4*, *1 and 3*, *2 and 2*. Knowing breakaparts means knowing the component parts in any order. In other words, knowing that *2 and 3* or *3 and 2* are breakaparts for the target 5. Frequently developed fluent combinations at this level include doubles, first *6 and 6* for the target 12, then *7 and 7* for the target 14, *8 and 8* for the target 16, and *9 and 9* for the target 18. Also common are near doubles combination close to 10, such as *5 and 6* for the target 11. Finally are combinations in which 3 and 4 are the smaller parts of targets 11 and 12, such as *3 and 8* for the target 11 or *4 and 8* for the target 12.