Even and Odd Numbers
Is 4 an even or odd number?
even
What is 3+3+3=
9
Bob is setting up for a party. He has 4 rows of chairs. There are 5 chairs in each row. How many chairs does Bob have in all?
20 chairs
_+_=8
4+4
5,_,15,20,_,_,_
10,25,30,35
Is 9 an even or odd number?
odd
What is 5+5+5+5+5=
25
Tina has 6 boxes of mugs. There are 2 mugs in each box. How many mugs does Tina have in all?
12 mugs
_+_=6
3+3
Have the same number of objects
equal groups
Is 17 an even or odd number?
odd
What is 2+2+2+2+2+2=
2 rows of 5. Write a number sentence to describe it.
5+5=10
_+_=14
7+7
A group of objects arranged in rows and columns of the same length
array
Tom has an even number of bananas. The number is more than 15 and less than 18. How many bananas does Tom have.
16 bananas
Calvin has 4 groups of 7 cups. How many cups does Calvin have?
28 cups
4 rows of 4. Write a number sentence to describe it.
4+4+4+4=16
_+9=18
9
3,6,_,12,_,_
9, 15, and 18
Julie has an odd number of pencils. The number is more than 12 and less than 15. How many pencils does Julie have?
13 pencils
Mia has 5 baskets of apples. There are 4 apples in each basket. How many apples does Mia have?
20 apples
James puts out 5 chairs in one row. He puts the same number of chairs in 3 more rows. How many chairs are their in all? Write a number sentence to describe your answer.
5+5+5+5=20 chairs
6+_=12
6
4,_,12,14,_,_,_
8,16,18, and 20