"Oh, all right then," said Tim. "I can do that too.
Two, four, six, eight, ten, twelve, fourteen, sixteen, eighteen, twenty!"

"Now it's easy," Tam told him. "They're all even numbers!"

"Oh, right. I see," agreed Tim. "And that's not all. Times two is just the same as doubling."

"That's right," Tam said.

"I'll go first," Tim said. "I'll say my two times table up to five."

"And I'll do all the rest," cried Tam.

So off they went:
"One lot of two is two,
two twos are four,
three twos are six,
four twos are eight
and five twos make ten!"
"Six twos are twelve,
seven twos are fourteen,
eight twos make sixteen,
nine twos are - um - eighteen,
and ten twos are twenty!"

"Hmm," said Tim. "You need to be sure, you know."

"Oh yes, I'm sure. Nine twos are eighteen! I'll remember that!"

"We should count by twos again."

You can count with them this time. Here are the numerals:

2, 4, 6, 8, 10, 12, 14, 16, 18, 20!

Tim and Tam wrote out the Two Times Table. Here it is:

1 x 2 = 2
2 x 2 = 4
3 x 2 = 6
4 x 2 = 8
5 x 2 = 10
6 x 2 = 12
7 x 2 = 14
8 x 2 = 16
9 x 2 = 18
10 x 2 = 20

"Heh! Look at the pattern!" cried Tim. "2, 4, 6, 8, 0, 2, 4, 6, 8, 0!"

"That's clever! Anything times 2 has to end with an even number or a zero. I can remember that easily!"

Count by twos again.
Say the Two Times Table again.

Then you can try these. Be careful because they are all jumbled up.

2 x 2 =
6 x 2 =
9 x 2 =
7 x 2 =
1 x 2 =
5 x 2 =
8 x 2 =
10 x 2 =
3 x 2 =
4 x 2 =

"Hey, look at this," cried Tim. "Look what I've done. I did the Two Times Table again but I put the numbers around the other way."

2 x 1 = 2
2 x 2 = 4
2 x 3 = 6
2 x 4 = 8
2 x 5 = 10
2 x 6 = 12
2 x 7 = 14
2 x 8 = 16
2 x 9 = 18
2 x 10 = 20

"Oh, yeah," said Tam. "They're just the same. So we didn't learn just the twos, we learnt some of the other tables as well. That's going to save us time when we have to do the others. Clever!"

"Doing the two times is just the same as doubling," Tim told him.

"Can you double, um, let me think - 21?"

"That's 42! What about two times thirty four?"

"Um, sixty eight!"

Here are some fun numbers for you to multiply by two.

Remember, it's just the same as doubling.

Some are in words and some are in numerals.
43
twenty two
15
fourteen
32
forty four
24
thirty one
421
one hundred