Directions: Create a three digit number using the whole numbers 0-9 no more than one time each. Try to create the number divisible by the greatest (or fewest) number of the following factors: 2, 3, 4, 5, 6, 8, 9 or 10. Source: Kelly Zinck

Read More »## Nanette Johnson

## 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 »## Biggest Rectangle

Directions: Find the largest area for the rectangle filling the boxes with numbers 1 through 9. You may use a digit at most once. Source: Nanette Johnson, Inspired by Mike Chamberlain’s Problem

Read More »## Square and Circle Area

Directions: Find the largest combined area for the rectangle and circle by filling the boxes with numbers 1 through 6. You may use a digit at most once. Source: Mike Chamberlain

Read More »## Volume

Directions: A rectangular prism has a volume of 144 cubic units and a base of 48 square units. What could the possible dimensions be? Source: Stem Savvy Girls

Read More »## Identical Quadratics

Directions: Create three equations that produce the exact same parabola by filling in the blanks with whole numbers 0 through 9, using each number at most once: Source: Zack Miller

Read More »## Domino Friends of Ten

Directions: I picked 3 dominoes out of a bag and they all had exactly 10 pips, but the same number was not on both sides of any of the dominoes. Show 3 dominoes I could have picked. Source: Brian Kelley

Read More »## Teen Number with 10 Frames

Directions: I have 2 ten-frames that have counters on them. One is full and one is not. What is the largest number I could make? What is the smallest number I could make? Source: Brian Kelley

Read More »## Sum of 5

Directions: I rolled 2 dice and when I counted the pips (dots), there were 5 altogether. What could I have rolled on the dice? I rolled again and got 5 again, but I didn’t get the same numbers as before. What could my new roll be? Source: Brian Kelley

Read More »## Write a Linear Function

Directions: Using the whole numbers 1 through 8 [You will use each number only once, except for one number that will be used twice in the same coordinate point. i.e.(1,1), (2,2), (3,3), (4,4), (5,5), (6,6), (7,7) or (8,8)], find three coordinate points that lie on the same line. Write the equation of the line represented by the three points and …

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