HOMEWORK 52, May 12th, 2017 REVIEW FOR EXAM Show your process in each exercise. No process, no credit! Homework should be handed in on a separate sheet of paper, NOTEBOOK SHEETS WILL NOT BE ACCEPTED! Check your answers on the following page. Solve for x: 1) 14# + 87 = 325 Solve the following addition & subtraction of fractions. Remember not to use improper fractions in your process, instead, add & subtract the wholes and the fractions separately: 2) 14 3) 21

+, ++. +/

.

1+

/ ,

.1 1,

2

/1

+3 −7

+ 5 − 13

Find the complement and supplement of the following angles: 4) 19.5º 5) 139º 6) Mark bought a 14-inch pizza (the diameter is 14 inches long). Use 3 = 3.14. a) How many square inches of pizza is there for him and his friends to eat? a) If they ate only 80% of the pizza, how many square inches of pizza did they eat? 7) Isabella is making a display board for the school elections. The display board is a 4.25 m by 6 m rectangle. She needs to add a ribbon border around 70% of the display board. a) What is the length of ribbon that she needs? b) If the ribbon costs $20 per meter, how much will it cost to put a ribbon around the display?

7 cm

8) Find the perimeter and area of the following triangle.

17.1 cm 9) Don’t forget to study all of your geometry definitions!!

Puebla American School Junior High School

Ms. Nadia’s 7th Grade Math

ANSWER KEY 1) x = 17 2) 11 3) 14 4) 5) 6) 7) 8)

+ .1 + 1+

Complement 70.5º; supplement 160.5º Complement NONE; supplement 41º a) 153.86 in2 b) 123.088 in2 a) 17.85 m; b) $357 Perimeter 42.3 cm; Area 59.85 cm2

Puebla American School Junior High School

Ms. Nadia’s 7th Grade Math