Even and Odd Numbers
Marker Board Arrays
Repeated Addition
Counter Arrays
Draw or Write
100
Mrs. Bacon planted a vegetable garden. She planted 3 rows with 4 tomato plants in each row. How many tomato plants did Mrs. Bacon plant? Did she plant an even or odd number of tomato plants?
What is 12 tomato plants; even
100
What is an array?
What is a group of objects with equal rows and equal columns?
100
If an array has 5 rows and 4 columns, what is the total number of squares? 
4 + 4 + 4 + 4 + 4 = 20
100
Ryan had 6 counters on his desk. How can he make an array using these counters to represent repeated addition? 
Two rows with three counters in each row, or three rows with two counters in each row.
100
Draw a picture to show 15 as an even or odd number. Explain how you know 15 is even or odd.
Your teacher will check your work.
200
Which group of numbers shows ALL even numbers? 

A. 5; 10; 18 

B. 7; 12; 16 

C. 6; 12; 14

What is C. 6; 12; 14
200
Use your marker board to draw an array with 2 rows and 4 columns.
Your teacher will check your array
200
If an array has 2 rows and 3 columns, what is the total number of squares? 
3 + 3 = 6
200
Taylor had 14 counters on her desk. How can she make an array using these counters to represent repeated addition? 
Seven rows with two counters in each row, or two rows with seven counters in each row.
200
Draw a picture to show 17 as an even or odd number. Explain how you know 17 is even or odd.
Your teacher will check your work
300
Kevin wants to build a house using an even number of LEGO blocks. What number of LEGO blocks should he use?

 A. 31

 B. 20

 C. 13

What is B. 20
300
Draw an array with 3 rows and 5 columns.
Your teacher will check your answer.
300

Which repeated addition sentence is represented by the array below? 

XXXXX

XXXXX

XXXXX

5 + 5 + 5 = 15
300
Kevin had 15 counters on his desk. How can he make an array using these counters to represent repeated addition? 
Three rows with 5 counters in each row, or five rows with 3 counters in each row.
300
Draw a picture to show 7 as an even or odd number. Explain how you know 7 is even or odd.
Your teacher will check your work
400
If I add an even number and an odd number, what would my sum be? 

A. even 

B. odd 

What is B. odd
400
Draw an array with 5 rows and 3 columns.
Your teacher will check your answer.
400
Which repeated addition sentence is represented by the array below? 

xxxx

xxxx

xxxx

4 + 4 + 4 = 12
400
William had 12 counters on his desk. How can he make an array using these counters to represent repeated addition? 
Four rows with three counters in each row, or three rows with four counters in each row, or two rows of 6, or 6 rows of 2.
400
Draw a picture to show 5 as an even or odd number. Explain how you know 5 is even or odd.
Your teacher will check your work
500
Mrs. Cullinan has an odd number of boys and an even number of girls in her class. Which could be the number of boys and girls in Mrs. Cullinan's class? 

A. 11 boys and 8 girls 

B. 8 boys and 7 girls 

C. 6 boys and 10 girls

What is A. 11 boys and 8 girls
500
Draw an array with 4 rows and 4 columns.
Your teacher will check your array.
500
Which repeated addition sentence is represented by the array below? 

 XXXXXX

 XXXXXX

6 + 6 = 12
500
Braiden had 9 counters on his desk. How can he make an array using these counters to represent repeated addition? 
Three rows with three counters in each row.
500
Mrs. McNelly has 15 flowers to plant. She adds 3 more flowers. How many flowers does Mrs. McNelly have now? Draw an array using the total number of flowers she has now. Is the total number of flowers even or odd?
What is Mrs. McNelly has 18 flowers to plant. You could draw any of the following arrays: *3 rows and 6 columns *6 rows and 3 columns *2 rows and 9 columns *9 rows and 2 columns *1 row and 18 columns *18 rows and 1 column

The number is even.

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