how can we find missing factors? 1.place your left index finger on the given factor. 2.place your...
Post on 01-Apr-2015
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How can we find missing How can we find missing factors?factors?
1. Place your LEFT index finger on the given factor.
2. Place your RIGHT index finger on the product.
3. Locate the missing factor from the opposite axis.
9 x ___ = 369 x ___ = 36
4 x Y = 404 x Y = 40
___ x 6 = 18___ x 6 = 18
B x 2 = 0B x 2 = 0
___ x 5 = 35___ x 5 = 35
8 x @ = 88 x @ = 8
Use multiplication strategiesUse multiplication strategies• Draw a picture• Use repeated addition• Use skip counting• Draw an array• Properties:
– Identity– Associative– Commutative– Zero
3 x __ = 93 x __ = 9
9 x ___ = 279 x ___ = 27
4 x ___ = 44 x ___ = 4
2 x ___ = 102 x ___ = 10
__ x 8 = 24__ x 8 = 24
2 x ___ = 62 x ___ = 6
5 x ___ = 455 x ___ = 45
10 x ___ = 10010 x ___ = 100
1 x ___ = 71 x ___ = 7
8 x ___ = 328 x ___ = 32
__ x 6 = 66__ x 6 = 66
__ x 3 = 0__ x 3 = 0
__ x 4 = 24__ x 4 = 24
__ x 7 = 56__ x 7 = 56
___ x 8 = 48___ x 8 = 48
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