Week 1 Math Multiplication
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by Scott Osborne
| 10 Questions
Note from the author:
Week 1 Multiplication
1
1
How much do you weigh?
Find a scale and report your weight or give your best guess and type it in the space provided.
2
1
3
1
4
1
5
1
What happens to place value as you multiply in the previous three questions?
6
1
Find a spot to sit outside.
Set a timer to ten minutes.
Count how many animals you observe in the ten minutes. Any animal; insects, squirrels, rabbits, dogs, birds, etc...
Record that number here. (Zero is not an acceptable answer)
7
1
Using the number you recorded for a ten minute period, how many organisms would you expect to see if you stayed outside for an hour?
8
1
Using the number you recorded for a ten minute period, how many organisms would you expect to see if you stayed outside for a whole day (24 hours)?
9
1
Curly is solving a multiplication problem. 46 x 23.
He tells his partner:
First I multiplied 6 x 3 and got 18.
Second I multiplied 4 x 3 and got 12.
Third I multiplied 6 x 2 and got 12.
Fourth I multiplied 4 x 2 and got 8.
Finally I added all of the numbers, 18+12+12+8 and got 60

What is wrong with Curly's thinking?
10
1
Using the Whiteboard solve this problem.

36 groups of 24