Question Video: Counting Groups of Ten Mathematics • First Year of Primary School

Video Transcript

There are 10 bowling balls in each group. How many bowling balls are there? 50, five, or 40.

To find out how many bowling balls there are altogether, we need to count in tens. This is because the bowling balls have been grouped into tens. Let’s count in tens — 10, 20, 30, 40, 50. Five tens are 50. There are 50 bowling balls altogether.