Reading...
Play button
Play button
Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
6 Cards in this Set
- Front
- Back
- 3rd side (hint)
|
426 x 11
|
4686
|
426 x 10 = 4260 + 426 = 4686
|
|
|
1,332 x 11
|
14,652
|
10 x 1,332 = 13,320 + 1,332 = 14,652
|
|
|
18 x 11
|
198
|
1 + 8 = 9
put the sum between the two digits. 1~9~8 |
|
|
24 x 11
|
264
|
2 + 4 = 6
put the sum between the two digits. 2~6~4 |
|
|
99 x 11
|
1,089
|
9 + 9 = 18
put the two digit sum between the two digits. 9~18~9 then add the 1 from the sum to the left-hand 9. 9 + 1 = 10 10~8~9 |
|
|
37 x 11
|
407
|
37 x 10 = 370 + 37 = 407
alternative method: 3 + 7 = 10. place the 10 between the 3 and 7. 3~10~7. Add the 1 to the 3. 4~0~7 |
