As children are facilitated and taught to solve problems, simultaneously, they are also trained to look out for patterns and number sense thus developing the visualization skills. With the acquired concept of cardinality and counting meaningfully, children could develop the following number relationships that are useful:
1. One and two more, one and two less
Besides being able to count on one or two more or count back one or two, children should know that 5 is 1 more than 4 and also 2 less than 7. Hence, children's numeric relationship is developed.
2. Anchors of 5 and 10
Grouping of items or variables in 5s or 10s is is an ideal strategy to help children when counting big quantity. For example, 1 group of 5 and 2 things or 1 group 10 and 6 things. The ten-frame model can be an aid to demonstrate the relationship.
3. Part-part-whole relationship
Similar to number bonds, children will be able to see a number that is made up of 2 or more parts.
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