Multiplication 1.2

3 digit × 2 digit

100

15x700

10500

200

50x240

12000

300

42x230

9660

400

74x123

9102

500

66x151

9966

vocabulary

100

乘

times/ multiply

200

因数

factor

300

What is the answer to a multiplication equation called?

A product

400

What are the numbers in a multiplication equation called?

factors

500

乘法

multiplication

product

100

14×16=224

so 14×8=？

112

200

24×15=360

so 12×15=？

180

300

14×19=266

so 28×19=？

532

400

7×56=392

so 21×56=？

1176

500

11×22=242

so 22×66=？

1452

Word Problems

200

The price of a calculator is 15 dollars. What is the price of 101 calculators?

1515 dollars

300

Ketty collected 15 coins each day. How many coins did she collect in 3 weeks? 

15 x 7 x 3 = 315 coins

400

 Jimmy earns 81 dollars per day. How much does he earn in 231 days?

81×231=18711 dollars

500

A math workbook has 92 pages.  A Chinese workbook has 85 pages. If there are 100 math workbooks and 150 Chinese workbooks, how many pages are there altogether?

92×100+85×150=21950 pages