Even or Odd
Is 8 an even number or an odd number?
Even number
Is this an example of an array? Why?
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Yes, because it has equal rows and columns.
Give me a number that is even
Any even number
Is 51 an even number or an odd number?
Odd number
Does a row go side to side or up and down?
A row goes side to side *******
Use the picture to tell if the number is even or odd:
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Odd, because the stars are not evenly lined up.
Is the sum of 7+7 an even number or an odd number? Why?
Even number because 7+7=14. The sum of any doubles fact is an even number.
Does a column go side to side or up and down?
A column goes up and down.
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Draw an array and write an equation to solve the problem:
Ethan has 3 shelves in his closet. He puts 4 stuffed animals on each shelf. How many stuffed animals does ethan have in all?
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* * * 4+4+4=12 stuffed animals in all.
Is the sum of 7+6 even or odd?
Odd, 7+6=13.
There are 5 columns and three rows.
Write an equation for this array using columns:
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3+3+3+3+3=15
there are 3 stars in each column, there are 5 columns.
Draw a bar diagram and write an equation to solve the problem:
Isabel has 2 bookshelves. She has 5 books on each shelf. How many books does Isabel have in all?
10
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5+5=10
Is the sum of 200+200 even or odd?
Even, because it is a doubles fact.
There are 5 columns and 3 rows.
Write an equation for this array using rows:
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5+5+5=15
There are 3 rows, 5 stars in each row.
Equations for the first four even numbers are given. What are the next four equations? How do you know?
1+1=2
2+2=4
3+3=6
4+4=8
5+5=10
6+6=12
7+7=14
8+8=16