WALT:
Solve multiplication problems using mental strategies
WILF:
That you choose the most efficient and appropriate strategy to solve the multiplication problem
multiplication_strategies_written_and_mental.ppt | |
File Size: | 6562 kb |
File Type: | ppt |
Warm Up Activities - Investigate
a) Using the numbers 9, 8 and 7 set out like -
[____] [____] X [____]
How many different answers can you get?
[____] [____] X [____]
How many different answers can you get?
b) Using the numbers 9, 8, 7 and 0 set out like -
[____] [____] X [____] [____]
How many different answers can you get?
.
c) Using the numbers 9, 8, 7 and 0 set out like -
[____] [____] [____] X [____]
How many different answers can you get?
[____] [____] [____] X [____]
How many different answers can you get?
d) [__*__] X [__#__] = 2280
What might * and # be? How many different answers can you find?