Sumwise

668 Times (668×) Multiplication Table

668 times table, 1 to 20

668 × 1668
668 × 21,336
668 × 32,004
668 × 42,672
668 × 53,340
668 × 64,008
668 × 74,676
668 × 85,344
668 × 96,012
668 × 106,680
668 × 117,348
668 × 128,016
668 × 138,684
668 × 149,352
668 × 1510,020
668 × 1610,688
668 × 1711,356
668 × 1812,024
668 × 1912,692
668 × 2013,360

Patterns that help you remember it

  • The last digits repeat in a cycle of 5: 8, 6, 4, 2, 0.
  • Every answer is even, because 668 is even.
  • Split it into tens and ones: 668 × k = 660 × k + 8 × k.
  • Each answer is 668 more than the one before, so you can count on in steps of 668.

Building it from tables you already know

Every answer in the 668 times table is double the answer in the 334 times table: 334 × 6 = 2,004, so 668 × 6 = 4,008. To multiply 668 by 9, multiply by 10 and take one 668 away: 6,680 − 668 = 6,012. To multiply by 11, multiply by 10 and add one more 668: 6,680 + 668 = 7,348. Multiplying by 4 is doubling twice: 668 → 1,336 → 2,672.

Every multiple of 668 is at least 668, so there are none below 100 and 1 below 1,000. A number is in the 668 times table exactly when it divides by 668 with no remainder.

Odd, even and the last digit

Because 668 is even, every answer in its table is even, which is a quick way to catch a wrong answer. Multiplying by 10 always puts a zero on the end: 668 × 10 = 6,680, and 668 × 100 = 66,800. Multiplying by 5 is half of multiplying by 10: half of 6,680 is 3,340.

Using the 668 times table to divide

Every fact also works backwards: because 668 × 7 = 4,676, you know 4,676 ÷ 668 = 7 and 4,676 ÷ 7 = 668. Practising the table and its division facts together halves the work.

668 times table practice worksheet

  1. 668 × 12 = ______
  2. 668 × 3 = ______
  3. 668 × 12 = ______
  4. 668 × 6 = ______
  5. 668 × 6 = ______
  6. 668 × 2 = ______
  7. 668 × 9 = ______
  8. 668 × 1 = ______
  9. 668 × 8 = ______
  10. 668 × 2 = ______
  11. 668 × 10 = ______
  12. 668 × 2 = ______
Answer key
  1. 8,016
  2. 2,004
  3. 8,016
  4. 4,008
  5. 4,008
  6. 1,336
  7. 6,012
  8. 668
  9. 5,344
  10. 1,336
  11. 6,680
  12. 1,336

Word problems

Times tables are most useful when you can spot them in a question. Try these, then open each one to check:

  1. A box holds 668 pencils. How many pencils are in 6 boxes?
    Answer6 × 668 = 4,008 pencils.
  2. Tickets cost $668 each. How much do 12 tickets cost?
    Answer12 × $668 = $8,016.
  3. 2,004 chairs are set out in rows of 668. How many rows are there?
    Answer2,004 ÷ 668 = 3 rows.
  4. A plant grows 668 millimetres a week. How much does it grow in 10 weeks?
    Answer10 × 668 = 6,680 millimetres.

About this page

The table, the patterns and the practice questions are all calculated for 668 when the page is opened, so every fact on it is exact. Use the options above the worksheet to change the number of questions or the largest multiplier.

Questions

What is 668 × 12?

8,016.

What is half of 668 × 8?

668 × 8 = 5,344, and half of that is 2,672, which is 668 × 4. Halving one factor halves the answer.

What is 668 times 0?

0. Any number multiplied by zero is zero, because zero groups of 668 contain nothing.

What is 668 × 7 and 668 × 8?

668 × 7 = 4,676 and 668 × 8 = 5,344. These two are the facts most people find hardest, so they are worth practising on their own.

Is 10,020 in the 668 times table?

Yes: 10,020 ÷ 668 = 15 with no remainder. 10,021 is not, because dividing it by 668 leaves a remainder of 1.

How do I learn the 668 times table quickly?

Learn it in order first, then use the patterns above and practise mixed questions; a few minutes a day works better than one long session.