Week 1 Multiplication
How much do you weigh?
Find a scale and report your weight or give your best guess and type it in the space provided.
Find ten times your weight.
Find 100 times your weight.
Find 1000 times your weight.
What happens to place value as you multiply in the previous three questions?
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)
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?
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)?
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?
Using the Whiteboard solve this problem.
36 groups of 24