Arrrrr-ay!

Can you help this pirate count?

A pirate is in charge of counting and organizing the supplies on his ship. Can you help him make arrays so he can count the supplies quickly?

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Scene	Description	Narration
1	A happy pirate appears with his thumb up. He looks confused as a number of items show up, including peg legs, apples, cannonballs, and pirate hooks.	Poincaré the Pirate is in charge of counting all the supplies on his ship, but lately, he's had a hard time keeping up with everything his crew needs for their journey. Let's help Poincaré discover a new way to count objects quickly, using an array.
2	A number of cannonballs scatter across the screen.	Look at all these cannonballs. Poincaré could count them one at a time, but that would take too long. What if he uses a grid, with spaces going up and down, called columns, and other spaces going side to side, called rows? That would make counting these cannonballs go faster!v
3	A grid appears that is six columns across and two rows high. A highlighted circle points out each column and each row.	Let's make an array, with two rows and six columns. Where do all the cannonballs go in the array? How will they fill the spaces?
5	One cannonball goes into each space. The pirate smiles and gives a thumbs up.	Nice work! Two rows of six equals 12 cannonballs.
6	We see a grid with three columns and five rows, and fifteen pirate hooks are scattered around the screen.	Next, Poincaré has to count the number of pirate hooks aboard the ship. Can you figure out where all the pirate hooks go in the array?
7	Each pirate hook goes into its own space, the pirate smiles and gives a thumbs up.	That's perfect! Three columns of five equals fifteen pirate hooks.
8	A grid appears with three columns and three rows, and nine apples are scattered around the screen.	There are a lot of apples for Poincaré the pirate to count. Let's build an array to make it easier. Can you tell where all the apples go in the grid?
9	One apple goes into each space, and the pirate gives a thumbs up.	That's it! Three rows and three columns means there are nine apples aboard the ship.
10	We see a grid of four columns and four rows, with sixteen peg legs scattered around the screen.	Pirates always keep plenty of peg legs aboard their ships. Let's help Poincaré count these by putting them in an array. We can count by fours to help organize and count these peg legs.
11	Each peg leg goes into a space in the grid. Each column is highlighted to count by fours.	There are four rows and four columns of peg legs, so we have four, eight, twelve, sixteen peg legs on the ship!
12	We see the pirate in the ocean, next to a pirate ship.	Poincaré the pirate saved so much time using arrays, he gets to relax in the sea for the rest of the day!.

Transcript