Question Video: Finding the Missing Number That Represents the Given Model by Counting Mathematics • First Year of Primary School

Video Transcript

Look at the blocks. What number is missing? Eight and what makes 10.

This question is all about making 10. We know that eight and something makes 10. And we’ve been given a model of a cube train to help. We know that eight of the blocks are red. How many are blue? One, two. There are eight red blocks and two blue. Eight and two makes 10. The missing number is number two. We knew there were eight red blocks, and we counted two blue blocks. Eight and two makes 10. The missing number is number two.