Incoming 8th Grade Math Packet

7th Grade Summer Mathematics ReviewRussell O. Brackman Middle School13. Identify each of the polygons. Begin with thetriangle and continue to the outermostpolygon.14. Mr. Nguyen saves $120 of his income of$800.00. What percent of his income doesMr. Nguyen save?15. The diameter of a circle is 8 cm. Using theformula C = πd, find the circumference of thecircle. (π = 3.14)16. The town of Pratt has a population ofabout 8,260,000. Express this number inscientific notation.17. 3x + 2 = 9In the above equation:What is the variable? _______________What is the coefficient? _____________18. A tree 5 feet tall has a shadow that is 14feet long. If another tree casts a shadow 21feet long, at the same time of day, how tall isthe tree?19. Write a proportion to show that the twoquadrilaterals below are similar.20. Decrease seventy-two hundredths by twotenths. Write the equation used to solve thisproblem.21. Ms. Ramos gives 8% of her income to charity.Ms. Ramos’ monthly income is $2000. Howmuch does she give to charity each month?22. A rectangle has a perimeter of 30 m. Thelength is 10 m. Solve the following equation tofind the width.2w + 2(10) = 30For Students Entering 8 th Grade 3