Add/subtract two‐digit numbers with models (ex: base-ten blocks), pictures (ex: number lines), and place value
Solve one‐ and multi‐step +/- word problems within 1,000
Determine the value of a collection of coins up to one dollar
Classify/sort polygons with 12 or fewer sides according to the number of sides and number of vertices
Classify/sort 3D solids, including spheres, cones, cylinders, rectangular prisms (including cubes) and triangular prisms
How-To: Number lines
Rectas numéricas
How-To: Regroup to Add with Models
Reagrupar para sumar
How-To: Regroup to Subtract with Models
Reagrupar para restar
Polygons
3D Solids