In this activity, students learn to subtract within 20 by decomposing both sides of the number sentence.
| Standards Body | Codes |
|---|---|
| CCSS-M | 1.OA.C.6ma |
| NCTM | PK2.NO.A.4, PK2.NO.B.7, PK2.NO.B.8, PK2.NO.C.10, PK2.A.B.4, PK2.A.C.6 |
| TEKS | 1.3D, 1.3F, 1.5G |
MathBRIX is an adaptive learning platform designed to help students in grades K-2 visualize and master critical math concepts.
