• Shuffle
Toggle On
Toggle Off
• Alphabetize
Toggle On
Toggle Off
• Front First
Toggle On
Toggle Off
• Both Sides
Toggle On
Toggle Off
Toggle On
Toggle Off
Front

### How to study your flashcards.

Right/Left arrow keys: Navigate between flashcards.right arrow keyleft arrow key

Up/Down arrow keys: Flip the card between the front and back.down keyup key

H key: Show hint (3rd side).h key

A key: Read text to speech.a key

Play button

Play button

Progress

1/41

Click to flip

### 41 Cards in this Set

• Front
• Back
 13 x 1 = 13 13 x 2 = 26 13 x 3 = 39 13 x 4 = 52 13 x 5 = 65 13 x 6 = 78 13 x 7 = 91 13 x 8 = 104 13 x 9 = 117 13 x 10 = 130 13 x 11 = 143 13 x 12 = 156 13 x 13 = 169 13 x 14 = 182 13 x 15 = 195 13 x 16 = 208 13 x 17 = 221 13 x 18 = 234 13 x 19 = 247 13 x 20 = 260 260 / 13 = 20 247 / 13 = 19 234 / 13 = 18 221 / 13 = 17 208 / 13 = 16 195 / 13 = 15 182 / 13 = 14 169 / 13 = 13 156 / 13 = 12 143 / 13 = 11 130 / 13 = 10 117 / 13 = 9 104 / 13 = 8 91 / 13 = 7 78 / 13 = 6 65 / 13 = 5 52 / 13 = 4 39 / 13 = 3 26 / 13 = 2 13 / 13 = 1 When is a number divisible by 13 ? A number is divisible by 13 when the product of the units digit X 4 + all remaining digits equals a number that is divisible by 13 with no remainder. Ex. 273 is divisible by 13 because 3 x 4 = 12, 12 + 27 = 39. 39 is divisible by 13 with no remainder.