Arrays
Draw an array that shows:
5+5+5+5=20
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What is the double of 6?
12
Is 5 even or odd? How do you know?
It is odd because when you pair them there is one left over.
Show the array for 4 columns of 2
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I have 5 blind boxes. There are 3 Labubus in each box. How many do I have in all?
I have 15 Labubus in all.
Make an array that shows:
5+5+5= 15
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Is the double of 7 even or odd?
The double of 7 is 14. It is even.
Is 18 even or odd? How do you know?
Even because when you pair them nothing is left.
Show the array for 3 rows of 6
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Sonic has 18 cookies and 3 friends. He wants to give each friend an equal amount of cookies. How many cookies would each friend get?
Each friend will get 6 cookies.
Which way does rows go? Which way does columns go?
Columns goes up and down
Rows go left to right
2 rows of 9=____
___+___=____
9 doubled is ______
2 rows of 9=__18__
_9_+_9_=__18__
9 doubled is __18__
Is 67 even or odd?
Odd
Show me an array of 4 columns of 6.
Write a repeated addition sentence for the array.
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6+6+6+6=24
Gojo has 3 pizzas for the class. Each pizza can be divided into 8 slices. How many slices will there be in total?
There will be 24 slices.
Write the repeated addition sentence for this array
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3+3+3=9
What is the double of 25?
50
Do doubles facts have even or odd sums?
Even
4+4=8
3+3=6
7+7=14
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Now add one more row of 4 to make a new array.
And also give me the repeated addition sentence for the new array.
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4+4+4=12
I have 20 brain rots in steal a brain rot. There are 5 players in the game. If each player steals an equal amount of brain rot. How many brain rot does each player steal?
Each player steals 4.
Write the repeated addition sentences for this array
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5+5+5+5=20
and
4+4+4+4+4= 20
2 rows of 10
__ rows of __ = __
10+__=__
10 doubled is __
2 rows of 10
_2_ rows of _10_ = _20_
10+_10_=_20_
10 doubled is _20_
Do doubles + 1 have even or odd sums?
They have odd sums because doubles have even sums, when you add one more, it becomes odd!
I have an array of 3 rows of 4. If I add one more row. Then 2 more columns what would my new array be?
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You have 100 HP in Fortnite. Each time you fall you take 10 fall damage. How many falls will it take for you to get eliminated.
10 falls.