Coin Triangle Challenge Concepts

The video tutorial presents a challenge involving a triangle of 10 coins pointing downward. The task is to reverse the triangle's direction by moving only three coins. The solution involves identifying and moving the three vertices of the triangle, leaving a hexagon of seven coins. The three moved coins are then repositioned to form an upward-pointing triangle, achieving the goal.

What is the main objective of the coin triangle challenge?

• To create a square with the coins

• To form a circle with the coins

• To reverse the direction of the triangle

• To remove all coins

How many coins are initially in the triangle?

• 5 coins

• 10 coins

• 15 coins

• 20 coins

Tags

CCSS.1.G.A.2

What shape is left after removing the three coins?

• A square

• A pentagon

• A hexagon

• A circle

Where is the first coin placed to form the new triangle?

• Upper left corner

• Lower left corner

• Upper right corner

• Center

Tags

CCSS.2.G.A.1

Where is the second coin placed in the new triangle formation?

• Lower right corner

• Upper left corner

• Center

• Lower left corner

Where is the third coin placed to complete the upward triangle?

• At the bottom

• On the left side

• On the right side

• On top

Tags

CCSS.2.G.A.1

What is achieved by moving the three coins?

• A line

• An upward pointing triangle

• A square

• A downward pointing triangle

Tags

CCSS.2.G.A.1