This double-digit addition book features three types of puzzles that reinforce an understanding of place values, mapping, carrying/regrouping, and logic skills. Solve the problems to decode the puzzles!
This double-digit addition book features three types of puzzles that reinforce an understanding of place values, mapping, carrying/regrouping, and logic skills. Solve the problems to decode the puzzles!
Each book contains 30 puzzles and solutions.