Mathematics - Addition and Subtraction - Two-digit addition without regrouping - Split and Add
Show a visual: 23 + 14 represented as 2 ten-rods + 3 cubes PLUS 1 ten-rod + 4 cubes. Ask 'How many tens altogether? How many ones altogether?' Two quick questions, then 'What's the total?' with 4 options. Do 4 rounds with problems where ones don't exceed 9 (no regrouping). The goal is to prime the i