Splash Screen. Solve each equation. Check your solution. 4. -18 = 4m - 68 5. Four less than six times a number is 32. Find the number. 6. Daryl can cut.

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Splash Screen

Solve each equation. Check your solution = 4m Four less than six times a number is 32. Find the number. 6. Daryl can cut 3 lawns in an hour. How many hours will it take him to cut 27 lawns? A 30 hours C 15 hours B 24 hours D 9 hours

1.A 2.B 3.C 4.D Five Minute Check 4 (over Lesson 3-5) A.6 B.3 C.–3 D.–6 Solve –18 = 4m – 6.

1.A 2.B 3.C 4.D Five Minute Check 5 (over Lesson 3-5) A.8 B.6 C.5 D.4 Four less than six times a number is 32. Find the number.

1.A 2.B 3.C 4.D Five Minute Check 6 (over Lesson 3-5) A.30 hours B.24 hours C.15 hours D.9 hours Daryl can cut 3 lawns in an hour. How many hours will it take him to cut 27 lawns?

Lesson Menu Main Idea and Vocabulary Key Concept: Area of a Rectangle Example 3:Find the Area of a Rectangle Example 4:Use Area to Find a Missing Side

Main Idea/Vocabulary Area – the measure of the surface enclosed by a geometric figure Find the areas of figures (2.3.8D) (M7.B.2.1).

KC 2

Example 3 Find the Area of a Rectangle FRESHWATER Find the area of the surface of the reservoir shown below. A = ℓ ● wArea of a rectangle. A = 4 ● 0.625Replace ℓ with 4 and w with A = 2.5Multiply. Answer: The area of the surface of the reservoir is 2.5 square miles.

1.A 2.B 3.C 4.D Example 3 A ft 2 B.52.5 ft 2 C.146 ft 2 D.584 ft 2 PAINTING Sue is painting a wall that measures feet long and 8 feet high. Find the area of the surface Sue will be painting.

Example 4 A rectangle has an area of 34.2 square meters. If the length is 11.2 meters, find the width. Answer: The width is 3.05 meters. Use Area to Find a Missing Side A = ℓ ● wWrite the equation = 11.2wReplace A with 34.2 and ℓ with = wSimplify. Divide each side by 11.2.

1.A 2.B 3.C 4.D Example 4 A.6.8 feet B feet C.38.6 feet D feet A rectangle has an area of square feet. If the length is 9.2 feet, find the width.

Find the area of each rectangle. 1.Length = 3.8 m, Width = 1 m 2.Length = 5 ft, Width = 5.25 ft Find the width of the rectangle. 3.Area = 30 square ft, length = 6 ft. 3.8 square meters square feet 5 feet

End of the Lesson

Resources Five-Minute Check (over Lesson 3–5) Image Bank Math Tools Solving Equations Using Models Perimeter Solving EquationsTwo-Step Equations

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