Repeated Addition ROCKS!
What is 2 + 2 + 2?
6
What are the two parts of an array?
Rows and columns.
Is 6 odd or even?
Even.
Skip count by 2s: 2, 4, __, 8, 10.
6.
Mia has 4 baskets of apples. Each basket has 2 apples. How many apples does she have?
(Remember to label your answer with apples.)
8 apples.
What is 3 + 3 + 3 + 3?
12
If an array has 3 rows and 4 columns, how many total objects are there?
12
Is 119 odd or even?
Odd.
Skip count by 5s: 5, 10, 15, __, 25
20.
There are 5 rows of chairs with 3 chairs in each row. How many chairs?
(Remember to label your answer with chairs.)
Write a repeated addition sentence for 4 rows of 5.
5 + 5 + 5 + 5 = 20
Draw an array for 2 rows of 6.
Answer shown on board.
What is an easy trick to tell if a number is odd or even?
Even numbers end in 0, 2, 4, 6, 8; Odd numbers end in 1, 3, 5, 7, 9).
If I skip count by 10s starting at 130, what comes next?
140.
Sam says 27 is even. Is she right? Why or why not?
No, because it ends in 7 which is an odd number.
Which number sentence shows repeated addition?
a. 7 + 3 + 2
b. 6 + 6 + 6 + 6
B. 6 + 6 + 6 + 6 = 24
How is an array like a repeated addition problem?
It shows equal groups being added together.
Is 27 + 5 odd or even?
The answer is 32, and it is even.
I skip counted by 3s: 3, 6, 9, 12, __. What comes next?
15.
A farmer planted 6 rows of 4 carrots each.
How many carrots did he plant?
(Remember to label your answer.)
24 carrots.
If you see 2 rows of 9 dots, what repeated addition sentences would you write?
9 + 9 = 18
Create an array using 20 dots with 5 equal rows.
Answer should show 5 rows of 4 dots each.
I am an even number between 10 and 20.
I am double 7.
What number am I?
14.
Skip count by 4s up to 20.
Write it on your whiteboard.
4, 8, 12, 16, 20.
Ava’s mom bought 3 boxes of cupcakes.
Each box has 5 cupcakes.
Ava and her 4 friends each get the same amount of cupcakes.
How many cupcakes does each person get?
(Include your label)
Each person gets 3 cupcakes.