Arrays
3 Rows
2 Columns
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..
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17
Explain...
Odd because 7 is in the ones place and is an odd number. There would be an extra one after you pair them up.
What is the equation for 2 rows and 3 columns?
Create the array and then write the equation.
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...
3+3=6
2+2+2=6
3 Rows 2 columns Give me one way to skip count this array.
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..
..
2,4,6
3,6
_+_= 8
What two double facts equal 8?
HINT: Double facts = same exact number
4+4=8
5 Rows
3 Columns
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...
...
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12
Explain...
Even
12 can make an even amount of pairs
What is the equation for 4 rows and 4 columns?
Create the array and then write the equation.
4+4+4+4=16
2 Rows 8 columns Give me one way to skip count this array.
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........
2,4,6,8,10,12,14,16
8,16
_+_=10
What double facts would equal 10?
5+5=10
3 Rows
6 Columns
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19
Explain
Odd
9 is in the ones place and there is an odd amount with not every having a partner
What is the equation for 4 rows and 5 columns?
Create the array and then write the equation.
4+4+4+4+4=20
5+5+5+5=20
4 Rows 4 columns Give me one way to skip count this array.
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....
....
....
4,8,12,16
_+_=18
What double facts equal 18?
9+9=18
4 Rows
4 Columns
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....
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1,000,386,488
Explain...
Even
No matter how big the number is, you will always look at the ones place. 8 is an even number because there is an even amount of pairs.
What is the equation for 8 rows and 2 columns?
Create the array and then write the equation.
8+8=16
2+2+2+2+2+2+2+2=16
3 Rows 5 columns Give me one way to skip count this array.
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.....
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3,6,9,12,15
5,10,15
_+_=16
What double facts equal 16?
8+8=16