junplay
.com
Learn
Game
Leaderboard
Print
Blog
en
en
Back
4
Multiplication lesson
Objects
Blocks
Line
Answer
4
×
1
=
4
?
1×
1
5
10
1
2
3
4
5
6
7
8
9
10
Test your knowledge (game)
Secret trick
Double doubling
Multiply the number by 2, and then multiply the result by 2 again.