Answer:
Option: D is the correct answer.
( D. an ability to understand numbers and their relationships )
Step-by-step explanation:
Number sense is basically a person's ability to use and understand numbers.
It include the following main points:
- knowing their relative values.
- how to use them to make judgments.
- how to use them in flexible ways when adding, subtracting, multiplying or dividing
- how to develop strategies when counting such as using BODMAS , measuring or estimating.
Hence, option: D is the correct answer.
( D. an ability to understand numbers and their relationships )