Adding and subtracting basic equations by sight is essential to a solid math foundation Meet the Math Facts 1 2 and 3 make learning to add and subtract fun and easy With adorable characters that ...

Level 2 Sums 9 to 12 Adding and subtracting basic equations by sight is essential to a solid math foundation Meet the Math Facts 1 2 and 3 make learning to add and subtract fun and easy With ...