Arrays and Odd and Even

What is an array?

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

• An array is a type of variable that can hold only one value.

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

• An array is a graphical representation of data.

If you have 5 rows of 3 oranges, how many oranges do you have?

• 10 oranges

• 12 oranges

• 15 oranges

• 18 oranges

What does it mean to group items in an array?

• Organizing them in rows and columns.

• Sorting them in alphabetical order.

• Storing them in a single line.

• Removing duplicates from the list.

If you have 4 rows of 2 apples, how many apples do you have in total?

• 6 apples

• 7 apples

• 8 apples

• 9 apples

What is the repeated addition for the array with 3 rows and 5 items in each row?

• 5 + 5 + 5 = 15

• 3 + 3 + 3 + 3 + 3 = 15

• 5 + 5 + 5 + 5 + 5 = 25

• 3 + 5 + 3 + 5 = 16

How can you tell if a number is even or odd?

• Check the last digit: if it's 0, 2, 4, 6, or 8, it's even; if it's 1, 3, 5, 7, or 9, it's odd.

• If the number is divisible by 3, it's even; otherwise, it's odd.

• A number is even if it ends with a 5; otherwise, it's odd.

• A number is odd if it has more than two digits; otherwise, it's even.

What is the repeated addition for the array with 2 rows and 4 items in each row?

• 4 + 4 = 8

• 2 + 2 + 2 + 2 = 8

• 4 + 2 = 6

• 2 + 4 + 2 = 8

Choose the picture that shows an odd number of cats.

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What is the total number of items in an array with 4 rows and 2 items in each row?

• 6 items

• 7 items

• 8 items

• 10 items

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

• By adding the number of items in each row

• By multiplying the number of rows by the number of items in each row

• By counting each item individually

• By dividing the total number of items by the number of rows