Arrays and Repeated Addition

What is repeated addition?

• Adding different numbers together

• Adding the same number multiple times, like 4 + 4 + 4.

• Subtracting numbers repeatedly

• Multiplying numbers together

What is an array?

• An array is a way to organize objects or numbers in rows and columns.

• An array is a type of data structure that can only hold numbers.

• An array is a single value that cannot be changed.

• An array is a method for sorting data in a database.

What direction do rows go?

• Rows go up and down.

• Rows go across.

• Rows go diagonally.

• Rows go in circles.

What direction do columns go?

• Up and down.

• Side to side.

• Diagonal.

• In a circular motion.

If there are 3 rows of 4 apples, how many apples are there in total?

• 10 apples

• 12 apples

• 14 apples

• 8 apples

What is the repeated addition sentence for 2 rows of 5?

• 5 + 5 = 10

• 2 + 2 + 2 + 2 + 2 = 10

• 5 + 5 + 5 = 15

• 10 + 0 = 10

If there are 4 columns of 2, how many in total?

• 6

• 7

• 8

• 9

How do you find the total number of items in an array?

• Add the number of rows to the number of columns.

• Multiply the number of rows by the number of columns.

• Count each item individually in the array.

• Divide the total number of items by the number of rows.

If I have 5 bunches of flowers with 3 flowers in each bunch, how many flowers do I have in all?

• 10 flowers

• 12 flowers

• 15 flowers

• 18 flowers

What is the total if I have 6 rows of 2?

• 10

• 12

• 14

• 8