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O'Brien Multiplication
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4 x 6
4 x 6
24
5 x 7
5 x 7
35
2 x 9
2 x 9
19
7 x 8
7 x 8
56
20 x 80
20 x 80
1600
If Katie had four baskets and each basket had nine apples, how many apples all together?
If Katie had four baskets and each basket had nine apples, how many apples all together?
36
Michael wanted to borrow video games from his friends. He wanted 27 games all together. If each friend gave him 3 games each, how many friends did he have to borrow from?
Michael wanted to borrow video games from his friends. He wanted 27 games all together. If each friend gave him 3 games each, how many friends did he have to borrow from?
9
A teacher was counting her class by 5's, when she finished counting she ended on 140, how many students did she have in her class?
A teacher was counting her class by 5's, when she finished counting she ended on 140, how many students did she have in her class?
28
If there are 3 friends and they each have 12 peaches, how many peaches do they have all together?
If there are 3 friends and they each have 12 peaches, how many peaches do they have all together?
36
If it rained 7 inches every day for 7 days, how many inches did it rain all together?
If it rained 7 inches every day for 7 days, how many inches did it rain all together?
49
Draw an array that shows 4 x 6
Draw an array that shows 4 x 6
show me your board
If I had an array that was 8 x 3, what would the product be?
If I had an array that was 8 x 3, what would the product be?
24
If I had an array that had a product of 20, what could the dimensions be?
If I had an array that had a product of 20, what could the dimensions be?
10 x20, 1 x20 or 4x 5
What is an array
What is an array
a picture showing a multiplication problem
How could I break down a 6 x 7 array into smaller arrays?
How could I break down a 6 x 7 array into smaller arrays?
show me your thinking
What are the multiples of 3
What are the multiples of 3
3, 6, 9, 12, 15, 18, 21
What are the multiples of 7
What are the multiples of 7
7, 14, 21, 28, 35, 42, 49
What are the multiples of 10
What are the multiples of 10
10, 20, 30, 40, 50, 60, 70
What are the multiples of 8
What are the multiples of 8
8, 16, 24, 32, 40, 48, 56
What are the multiples of 12
What are the multiples of 12
12, 24, 36, 48, 60, 72, 84
If one of your factors is zero, what will your product be?
If one of your factors is zero, what will your product be?
zero
If you multiply by 5, what two numbers will the product always end in?
If you multiply by 5, what two numbers will the product always end in?
Either 5 or 0
If you multiply an even number by an even number what will your product always be?
If you multiply an even number by an even number what will your product always be?
An even number
What is the repeated addition that would show 2 x 7
What is the repeated addition that would show 2 x 7
2+2+2+2+2+2+2 or 7+7
There are six bookshelves, each bookshelf has eight books. How would you write the repeated addition AND the multiplication equation for this problem
There are six bookshelves, each bookshelf has eight books. How would you write the repeated addition AND the multiplication equation for this problem
8+8+8+8+8+8 or 6 x 8
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Go To The Final Question
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