Directions: Fill in the boxes so that you would need to regroup when you subtract. Make sure that your number is less than 63. Extension: Explain why you need to regroup using your number. Source: Chase Orton

Read More »# Grade 4

## Dividing Two-Digit Numbers (Elementary)

Directions: Using the digits 1 to 9 at most one time each, fill in the boxes to make the smallest (or largest) quotient. Source: Robert Kaplinsky

Read More »## Multiplying Two-Digit Numbers (Elementary)

Directions: Using the digits 1 to 9 at most one time each, fill in the boxes to make the smallest (or largest) product. Source: Robert Kaplinsky

Read More »## Divisibility

Directions: Using the digits 0 to 9 at most one time each, fill in the boxes to create a three-digit number. Try to create a three-digit number divisible by the greatest (or fewest) amount of the following factors: 2, 3, 4, 5, 6, 8, 9 or 10. Source: Kelly Zinck

Read More »## Divisibility 2

Directions: What is the smallest number, greater than zero, that is divisible by 1, 2, 3, 4, 5, 6, 7, 8, 9, and 10? Source: Brian Lack

Read More »## Multiplying a Two-Digit Number by a Single-Digit Number

Directions: Using the digits 1 to 4 at most one time each, fill in the boxes to make the largest possible product. Source: Robert Kaplinsky

Read More »## The Largest Fraction That Is Less Than One Half

Directions: Using the digits 1 to 9 at most one time each, fill in the boxes to create the largest fraction possible that is less than 1/2 and has a single digit in both the numerator and denominator. Source: Dr. Brian Lack

Read More »## Placing Fractions on A Number Line

Directions: Using the digits 0 to 9 at most one time each, place a digit in each box to create five fractions and place them all on a number line with the correct order and spacing. Source: Robert Kaplinsky

Read More »## Multiplying Mixed Numbers by Whole Numbers

Directions: Using the digits 1-9 at most one time each, fill in the boxes to make the smallest (or largest) product. Source: Robert Kaplinsky

Read More »## Rectangles: Maximizing Area

Directions: What is the greatest area you can make with a rectangle that has a perimeter of 24 units? Source: Robert Kaplinsky

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