Arithmetricks : 50 easy ways to add, subtract, multiply, and divide without a calculator by Julius, Edward H., 1952- Publication date 1995 Topics Mental arithmetic -- Juvenile literature, Mental ...

Doing quick calculations without writing anything down can seem tricky, but with the right mental math techniques, students ...

These fancy graphing calculators are only going to get more expensive as back-to-school shopping goes into full swing, so Add ...

Fractions, often perceived as daunting, become manageable with the right approach. Addition and subtraction require finding a common denominator, while multiplication involves directly multiplying ...

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