Basic Facts
2 digit by 1 digit multiplication
3 digit by 1 digit multiplication
4 digit by 1 digit multiplication
Different Strategies
100

6x6

25

100

25x3

75

100

125x3

375

100

3254x6

19524

100

5 x 6 using an Array

30

200

9x7

54

200

52x6

312

200

635x7

4445

200

9866x4

39,464

200

73 x 4 using repeated addition

292

300

10x6

60

300

96x9

864

300

932x2

1864

300

6254x8

50,032

300

328 x 4 using Partial Products

1,312

400

12x5

60

400

Joe is building 2 boxes.  Each box takes 27 nails to build.  How many nails does he need?

54 nails

400

Christopher’s neighborhood has 189 houses. Each of these houses has 4 front windows. How many front windows are on all of the houses in Christopher’s neighborhood?  

756 front windows

400

2522x4

10,088

400

128 x 4 using partial products

512

500

11x8

88

500

A running store is organizing a community road race with many age and distance categories. The store manager plans to give a medal to each of the three fastest runners in each of 18 different categories.How many medals will the store manager need?

54 medals

500

Each floor of a parking garage has 608 spaces for full-sized cars and 44 spaces for compact cars. The garage has 5 floors. What is the total number of spaces for full-sized cars?

3,040 spaces for full-sized cars

500

How many bottles of water would Tim sell if he sold 1,734 bottles each week for 4 weeks?

6,936 water bottles

500

1,658 x 5 using standard algorithm

8,290