"In Grade 2 and early in Grade 3, students learned to use bar models to solve two-step problems involving addition and subtraction. This is extended in this chapter to include multiplication and division.
<span>Both multiplication and division are based on the concept of equal groups, or the part-part-whole concept, where each equal group is one part of the whole. In Grade 2, students showed this with one long bar (the whole) divided up into equal-sized parts, or units. This unitary bar model represents situations such as basket of apples being grouped equally into bags." </span>https://www.sophia.org/tutorials/math-in-focus-chapter-9-bar-modeling-with-multipli
Answer:
The diagonals of an isosceles trapezoid are congruent.
The bases of a trapezoid are parallel.
Answer:I cant see the diagram
Step-by-step explanation:
Answer:
2/16
Step-by-step explanation:
i just doubled he equation
A
x X x
= x^2
B
20 x 20 = 40
C
100 / 40 = 2.5 per square inch
