In this exercise, kids learn to subtract complex expressions by combining positive and negative blocks in the 1's, 10's and 100's places, breaking a 10 or 100 if there aren't enough positive brix to offset negative brix.
| Standards Body | Codes |
|---|---|
| CCSS-M | 2.NBT.B.7 |
| NCTM | PK2.NO.A.4, PK2.NO.A.5, PK2.NO.B.8, PK2.NO.C.10, PK2.NO.C.12, PK2.A.C.6 |
| TEKS | 2.2A, 2.4D |
MathBRIX is an adaptive learning platform designed to help students in grades K-2 visualize and master critical math concepts.
