For 2nd grade
Sue said that 200+20+23 is the same as 200+30+3. Is she correct? Explain.

Suppose i flip two identical coins. what is the probability that i get one head and one tail?

In a class, there are 12 girls. if the ratio of boys to girls is 5: 4 how many boys are there in the class

In the diagram, points d and e are marked by drawing arcs of equal size centered at b such that the arcs intersect ba and bc. then, intersecting arcs of equal size are drawn centered at points d and e. point p is located at the intersection of these arcs. based on this construction, m , and m