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O'Brien Multiplication
Speed Match Review Game

This game has been played times
The best time ever was at seconds.
The best time today is at seconds.
How To Play:
Drag the squares in the gray area and drop them in the matching squares in the blue area below.
If you drop a square in the correct spot, it will disappear.
If you make a mistake, the square will return to its original spot.
Good luck!

Let's Play Speed Match!

8, 16, 24, 32, 40, 48, 56
10, 20, 30, 40, 50, 60, 70
show me your thinking
35
56
24
An even number
36
3, 6, 9, 12, 15, 18, 21
9
Either 5 or 0
49
7, 14, 21, 28, 35, 42, 49
2+2+2+2+2+2+2 or 7+7
12, 24, 36, 48, 60, 72, 84
show me your board
24
36
19
28
1600
8+8+8+8+8+8 or 6 x 8
a picture showing a multiplication problem
zero
10 x20, 1 x20 or 4x 5
What are the multiples of 8
If I had an array that had a product of 20, what could the dimensions be?
If you multiply by 5, what two numbers will the product always end in?
How could I break down a 6 x 7 array into smaller arrays?
7 x 8
If one of your factors is zero, what will your product be?
If there are 3 friends and they each have 12 peaches, how many peaches do they have all together?
There are six bookshelves, each bookshelf has eight books. How would you write the repeated addition AND the multiplication equation for this problem
5 x 7
If I had an array that was 8 x 3, what would the product be?
What is an array
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?
If you multiply an even number by an even number what will your product always be?
Draw an array that shows 4 x 6
20 x 80
What are the multiples of 7
If it rained 7 inches every day for 7 days, how many inches did it rain all together?
What are the multiples of 10
4 x 6
What are the multiples of 12
What is the repeated addition that would show 2 x 7
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?
2 x 9
If Katie had four baskets and each basket had nine apples, how many apples all together?
What are the multiples of 3

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Here are all the answers:

DescriptionMatch:
4 x 624
5 x 735
2 x 919
7 x 856
20 x 801600
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?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?28
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?49
Draw an array that shows 4 x 6show me your board
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?10 x20, 1 x20 or 4x 5
What is an arraya picture showing a multiplication problem
How could I break down a 6 x 7 array into smaller arrays?show me your thinking
What are the multiples of 33, 6, 9, 12, 15, 18, 21
What are the multiples of 77, 14, 21, 28, 35, 42, 49
What are the multiples of 1010, 20, 30, 40, 50, 60, 70
What are the multiples of 88, 16, 24, 32, 40, 48, 56
What are the multiples of 1212, 24, 36, 48, 60, 72, 84
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?Either 5 or 0
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 72+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 problem8+8+8+8+8+8 or 6 x 8