Stack Method
23 x 5
115
15 x 7
105
to break down
Decompose
18 x 6
120
102 x 3
306
138 x 8
1,104
192 x 2
384
zero property of multiplication
89 x 7
630
1,052 x 9
9,468
2,863 x 6
17,178
932 x 6
5,592
to use place value to exchange equal amounts when renaming a number
regroup
184 x 7
1,400
8,901 x 6
53,406
78,125 x 4
312,500
1,639 x 3
4,917
The products of each place value are found separately, then added together.
Partial products
39,124 x 6
240,000
10,624 x 5
53,120
113,857 x 9
1,024,713
154,971 x 7
1,084,797
Multiply the addends of a number then add.
Distributive Property
329,846 x 5
1,500,000
401,824 x 8
3,214,592