Easy two digit multiplication using the Trachtenberg Speed Math System. Visit https://trachtenbergspeedmath.com for more info.

2. Put as many zeros in front of the mul2plicand
as there are digits in the mul2plier.
00 x 243456
000 x 36215397
0000 x 413262103

4. 0 8 30 5 9×
9 × 3 = 72
7
2

5. 0 8 30 5 9×
9 × 8 = 27
7
2
5 × 3 = 51
98
2
9
8

6. 0 8 30 5 9×
9 × 0 = 0
7
2
5 × 8 = 04
84
8
9
8
8
4

7. 0 8 30 5 9×
9 × 0 = 0
7
2
5 × 0 = 0
4
4
9
8
8
4
4

8. 50 6 20 3 7×
2 × 7 = 41
4
1

9. 50 6 20 3 7×
6 × 7 = 24
4
2 × 3 = 6
94
9
1
4 1

10. 50 6 20 3 7×
5 × 7 = 53
4
1
6 × 3 = 8
75
9
4
4
1
7
5

11. 50 6 20 3 7×
0 × 7 = 0
4
1
5 × 3 = 5
02
9
4
5
1
7
5
0
2

12. 50 6 20 3 7×
0 × 7 = 0
4
1
0 × 3 =
2
9
4
2
0
7
5
0
2
2

13. 50 6 20 3 7×
4
1
9
4
7
5
0
2
2
Math is Fun!

14. Tip – Using your fingers
Use your fingers to point to the numbers in
each pair as you calculate to help keep track.
50 6 20 3 7×
4
1
9
4

15. Tip – Using your fingers
Move your fingers towards each other to the
next figure.
50 6 20 3 7×
4
1
9
4

16. https://TrachtenbergSpeedMath.com