Make an Array with 15 tiles.
What is 5 + 5 + 5 = 15 or 3 + 3 + 3 + 3 + 3 = 15
How many tiles are in this array? 2 + 2 + 2 + 2 =
What is 8
Is 15 even or odd? How do you know?
What is odd because it has one left over when you make two rows of 4
* the 5 is in the ones place
* we cannot count by 2's
* 15 cannot be put into 2 equal groups
Make an array with 5 columns of 4.
What is 4 + 4 + 4 + 4 + 4 = 20
Look at this array on the board. Write a repeated number sentence.
What is 7 + 7 + 7 + 7 = 28
Is 24 even or odd? How do you know?
*even because i can count by 2's
*even because the 4 is in the ones place
*even because 24 can be placed into equal groups
* there are none left over
Joshua went to the toy store and bought 2 decks of cards. Each deck has 12 cards. How many cards does he have total?
What is 24.
Make an array with 25 tiles.
What is 5 + 5 + 5 + 5 + 5 = 25
Write a repeated addition sentence for the array on the board.
What is 6 + 6 + 6 = 18
Is 11 even or odd? How do you know?
* odd because there is a 1 in the ones place
*odd because 11 can't be placed into equal groups
If Ms. Palacio has 9 groups of 2 zebra cakes, how many does she have total?
What is 18.
Make an array for this repeated addition sentence:
6 + 6
6 columns of 2
Write a repeated addition sentence for this array.
What is 5 + 5 + 5 + 5 + 5 + 5 = 30 OR 6 + 6 + 6 + 6 + 6 = 30
Is 6 + 9 even or odd? How do you know?
odd because is = 15
What is 901 - 340=
What is 561
Make an array for this repeated addition sentence:
3 + 3 + 3 + 3 =
4 columns of 3
Use this repeated addition sentence to make 2 ARRAYS: 4 + 4 + 4 =
What is 3 columns of 4 and 3 rows of 4
Is 18 + 12 even or odd?
What is even because it ends in a zero, which is always even when you clap it out.