5. Multiplication fluency
5.01 Multiply by 0 or 1
Interactive practice questions
Fill in the box with the missing number.
$1\times1=\editable{}$1×1=
Easy
< 1min
$1\times2$1×2
Easy
< 1min
$2\times1$2×1
Easy
< 1min
$3\times1$3×1
Easy
< 1min
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