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Addition and Subtraction Tricks Without Pen and Paper: Doing quick calculations without writing anything down can seem tricky, but with the right mental math techniques, students can easily learn to ...

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 3: Sums 13 to 20 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 ...