Number (order and place value)

Hong Kong

Stage 1

Fill in the box with the missing number.

$99=90+\editable{}$99=90+

Easy

< 1min

Fill in the box with the missing number.

Easy

< 1min

Fill in the box with the missing number.

Easy

< 1min

Fill in the box with the missing number.

Easy

< 1min

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