Skip counting by twos, fives and tens

How many bowling pins are there? Count by tens.

Please fill out the fields marked in red.

Explanation

Well done !

Explanation:

There are 6 groups of 10s.
Count by tens.

$Ii mat0303 q3 sol$

There are 60 bowling pins.

Explanation

Wrong answer !

Explanation :

There are 6 groups of 10s.
Count by tens.

$Ii mat0303 q3 sol$

There are 60 bowling pins.