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3-12-13 Review of Area and Perimeter EQ: Can you apply the formulas for area and perimeter? . BOP Explain the difference between area and perimeter. DWP: A rectangular playground has an area of 7125 square yards. The width of the playground is 75 yards. What is the length of the playground?
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3-12-13 Review of Area and Perimeter EQ: Can you apply the formulas for area and perimeter? BOP Explain the difference between area and perimeter. DWP: A rectangular playground has an area of 7125 square yards. The width of the playground is 75 yards. What is the length of the playground? A. 65 yards B. 75 yards C. 85 yards D. 95 yards
DWP: A rectangular playground has an area of 7125 square yards. The width of the playground is 75 yards. What is the length of the playground? A. 65 yards B. 75 yards C. 85 yards D. 95 yards The correct answer is D. Taken from Buckle Down to the Common Core State Standards Mathematics Grade 7
Check homework Extra credit handout Math textbook page 746, #17-35 BRING A CAN ON PI DAY, THURSDAY, 3-14, TO USE FOR OUR PI DAY ACTIVITIES. THE CANS WILL BE USED IN CLASS TO MEASURE AND THEN DONATED. YOUR CAN IS WORTH 15 POINTS.
FORMULAS To KNOW!
Draw and label each shape and write the formulas. See the example below. Side Side Use s for the length of each side when writing formulas.
Draw and label each shape and write the formulas. See the example below. Side Side Use s for the length of each side when writing formulas.
width length Use w for width and l for length when writing formulas.
width length Use w for width and l for length when writing formulas.
d height a c base Use a, b, c and d for the length of the sides.
d height a c base Use a, b, c and d for the length of the sides.
base 2 c height base 1 Use a, b1, c , and b2 for the length of the sides.
base 2 c height base 1 Use a, b1, c , and b2 for the length of the sides.
a c height b Use a, b and c for the length of the sides and h for height.
a c height b Use a, b and c for the length of the sides and h for height.
Diameter Use D for the diameter when writing the formulas.
Diameter Use D for the diameter when writing the formulas.
STEPS FOR AREA NAME THE SHAPE 2. GIVE THE FORMULA 3. SUBSTITUTE 4. SOLVE 5. ADD THE UNITS (EX: cm, cm2, in)
Shape ___________ Formula ___________ Substitute ___________ Solve ___________ Add units ____________
Shape ___________ Formula ___________ Substitute ___________ Solve ___________ Add units ____________
Shape ___________ Formula ___________ Substitute ___________ Solve ___________ Add units ____________
Shape ___________ Formula ___________ Substitute ___________ Solve ___________ Add units ____________
Shape ___________ Formula ___________ Substitute ___________ Solve ___________ Add units ____________
GEOMETRY GREG Find the perimeter or circumference and the area of each part. Label your answers correctly. Use cm when measuring. Measure to the nearest ½ cm. Show all steps for each problem. 3. Record your final answers in a chart to be turned in at the end of class.
Exit Ticket Give several example of when would you apply the formulas for area and perimeter in the real world? Homework: Math textbook page 747, #7-12; 19-39