IM 8.8.1 Practice: The Areas of Squares and Their Side Lengths
Find the area of each square. Each grid square represents 1 square unit.
Find the length of a side of a square if its area is:
81 square inches
0.49 square units
square units
Find the area of a square if its side length is:
3 inches
7 units
100 cm
40 inches
units
Evaluate . Choose the correct answer:
Noah reads the problem, “Evaluate each expression, giving the answer in scientific notation.” The first problem part is: . Noah says, “I can rewrite as . Now I can add the numbers: ." Do you agree with Noah’s solution to the problem? Explain your reasoning.
Select all the expressions that are .