Multiplication: 2 digit by 1 digit
23 x 3 = ?
69
42 x 36 =
1,512
Estimate the product.
42 x 36 =.
40 x 40 = 1,600
Mrs. Zambrano wanted to bake 3 batches of cookies. For each batch, there are 14 cookies. How many total cookies did she bake?
3 x 14 = 42
30 x 3 =
90
45 x 5 =
225
63 x 51 =
3,213
Estimate the product.
63 x 51 =
60 x 50 = 3,000
Cezar and Lau'zae wanted to hand out candy treats for their friends. If they both brought 23 candies to share to their friends, how many candies did they give out?
23 x 2 = 46
50 x 9 =
450
62 x 7 =
434
88 x 59 =
5,192
Estimate the product.
88 x 59 =
90 x 60 = 5,400
Tony and Carolyn are runners. In one summer, Tony ran 5 miles. Carolyn ran 12 times as many miles as Tony. How many miles did Carolyn run?
12 x 5 = 60. Carolyn ran 60 miles.
50 x 60 =
3,000
87 x 6 =
522
87 x 81 =
7,047
Estimate the product:
72 x 15 =
70 x 20 = 1,400
Sophia loves to collect shells. Last summer she collected 14 shells. This summer, she collected 22 times as many shells. How many shells has she collected ?
22 x 14 = 308. Sophia collected 308 shells.
60 x 22 =
1,320
58 x 9 =
522
98 x 65 =
6,370
Estimate the product.
22 x 61 =
20 x 60 = 1,200
Damian and Sebastian are runners. In one summer, Damian ran 14 miles. Sebastian ran 22 times as many miles as Damian. How many miles did Damian and Sebastian run altogether? Explain how you solved your answer.
1st step) Multiply 14 x 22 = 308
2nd step) Add 308 (the number of miles Sebastian ran) with 14 (the number of miles Damian ran). 308 + 14 = 322
50 x 82 =
4,100