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Decimals and percentages: Determine percentage discounts of 10%, 25% and 50%

• Equate 10% to dividing by 10, 25% to finding a quarter by dividing by 4, and 50% to finding half.

• Use mental strategies to estimate discounts of 10%, 25% and 50%.

• Calculate the sale price of an item after a discount of 10%, 25% and 50%.