Final answer:
To divide 24 children into 3 equal groups, the expression 24 ÷ 3 is used, resulting in how many children will be in each group. Therefore correct option is D
Step-by-step explanation:
The expression that can be used to show dividing 24 children into 3 equal groups is D) 24 ÷ 3. This is because division is the operation used to divide a total amount into equal parts.
The number 24 represents the total number of children, and the number 3 represents the number of equal groups you want to divide the children into.
Therefore, when you perform the division 24 ÷ 3, you are calculating how many children will be in each group.