Double Digit Multiplication
12 X 3
36
123 X 2
246
98 X 10
980
Each extension cord is 33 feet long. What is the total length of 3 extension cords?
99
111 × 41 = (______ x 40) + (111 x ____) = 555
(111 x 40) + (111 x 1) = 444 + 111 = 555
45 X 2
90
346 X 5
1,730
45 X 30
1,350
DOUBLE!
Alicia bought 7 packages of paper towels. There were 19 rolls in each package. How many rolls of paper towels did Alicia buy?
133
998 × 11 = (_______ x 10) + ( _______ x 1) = ______
(998 x 10) + (998 x 1) =9,980 + 998 = 10,978
63 X 7
441
542 X 6
3,252
72 X 60
4,320
There are 9 polka dots on each dress. How many polka dots are there on 80 dresses?
720
214 × 12 = (200 x _____) + (_____ x 12) + (4 x ____) = ___________
(200 x 12) + (10 x 12) + (4 x 12) = 240 + 120 + 48 = 2,568
87 X 4
348
472 X 7
3,304
67 X 70
4,690
A cookie factory produced 4 packages of cookies. There were 76 cookies in each package. How many cookies did the factory produce in all?
304
223 × 25 = (223 x _______) + (_______ x _______) = 5,575
(223 x 20) + (223 x 5) = 5,575
96 X 7
672
876 X 9
7,884
39 X 80
3,120
A hospital ordered 9 boxes of cotton swabs. There were 62 cotton swabs in each box. How many cotton swabs did the hospital order in all?
558
231 × 73 = (__________ x __________) + (________ x __________) = ___________
(231 x 70) + (231 x 3) =16,863