Grade 4

Area of a Rectangle

Directions: Using the digits 1 to 9, at most one time each, place a digit in each box to make it so that the value for the area of the rectangle (in square units) is greater that the value for the perimeter (in linear units). What is the greatest difference you can find between the area and perimeter? What is …

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Adding Products

Directions: Old Mother Hubbard is baking cookies so her cupboards won’t be bare anymore! She bakes 109 cookies in all. She bakes the cookies on 4 cookie sheets. Each cookie sheet is arranged into equal rows and columns, but not every cookie sheet has the same number of rows and columns. Using digits 0-9, at most once, how might the …

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Four Digit Products

Directions: Using the digits 1 to 9, at most one time each, place a digit in each box to make the equation true. Source: Adina R

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Adding Parts of a Whole

Directions: Using the digits 1 to 9, at most one time each, place a digit in each box to make the equation true. Source: Miles Knight

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Using 1/2 as a Benchmark

Directions: Using the digits 1 to 9, at most one time each, place a digit in each box to make true statements. For the fraction less than 1/2, try to make the greatest number possible. For the fraction greater than 1/2, try to make the least number possible. Source: Alyson Eaglen

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Multiplying Differences

Directions: Using the digits 1 to 9, at most one time each, place a digit in each box to make the equation true. Source: Owen Kaplinsky

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Multiplying Differences 2

Directions: Using the digits 1 to 9, at most one time each, place a digit in each box to make a product that’s as close to 50 as possible. Source: Owen Kaplinsky

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Adding Multiples

Directions: Using the digits 0 to 9, at most one time each, place a digit in each box to make the statement true. Source: Owen Kaplinsky

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