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## 4TH QUARTER SY 14-15 MATH BELL RINGERS

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**BELL RINGER**#65**#65 Perimeters and Areas of Rectangles**Find the area of the rectangle with length 8.8 in. and width 3.2 in. https://www.youtube.com/watch?v=UfUwTtaHyp8 Find the perimeter of a rectangle with length 6.2 in. and width 3.1 in. Find the area of the square given the side, s = 16.8 m. The rectangle has an area of 228 square centimeters. Find its perimeter. 5. Each can of paint covers 80 square feet. How many cans of paint would you need to buy to paint four walls that each have a length of 18 feet and a height of 10 feet? 19 cm**BELL RINGER**#66 Videos for bell ringer #66 https://www.youtube.com/watch?v=QmUNqVjm4R4 https://www.youtube.com/watch?v=qnHuz3aDTP0**#66 Areas of Parallelograms and Triangles**Find the area of a triangle with a base of 8.4 inches and a height of 5.1 inches. Find the area of a triangle with a base of 3 feet and a height of 24 inches. Find the area of the triangle. 4. Find the area of the parallelogram. 5. Find the area of the complex figure. 5 cm 3 cm 6 cm 14 m 12 m 4 cm 18 m 4 cm 4 cm**BELL RINGER**#67**#67 Circles**Watch video before starting: https://www.youtube.com/watch?v=sg-7bRPt_fQ Match each definition to the correct term: chord, diameter, radius, secant, or tangent. Draw an example of each term. A line segment that begins at the center of a circle and ends on a point on the circle A line segment with its endpoints on the circle A line that intersects the circle at one point A line that intersects the circle at two points A line segment that starts at a point on the circle, goes through the center of the circle, and ends at another point on the circle**BELL RINGER**#68**#68 Circumference of a Circle**Find the circumference of the circle with a radius of m. Use for π. Find the circumference of the circle. Find the circumference of the circle. The circumference of a circle is 75.4 centimeters. What is the radius? Round to the nearest cm. The circumference of a circle is 64.2 meters. What is the diameter? Round to the nearest m. Watch video before starting: https://www.youtube.com/watch?v=vuoQ2CqgAeU 3 22 22 7 5 mm Use 3.14 for π. 15 in Use 3.14 for π.**BELL RINGER**#69**#69 Area of a Circle**Watch video before starting: https://www.youtube.com/watch?v=ghSBNOt-b-U Find the area of a circle with a radius of 5.4 cm. Use 3.14 for π. Find the area of a circle with a radius of 10.2 ft. Use 3.14 for π. Find the area of a circle with a diameter of 18.2 in. Use 3.14 for π. Find the area of a semicircle with a radius of 6.4 m. Use 3.14 for π. Find the area of the complex figure. 5 m 7 m**BELL RINGER**#70 Videos for bell ringer #70 https://www.youtube.com/watch?v=agIV623B3nc https://www.youtube.com/watch?v=Cn23hlV7Osc**#70 Surface Areas of Prisms**Find the surface area of the rectangular prism. 2.Find the surface area of the triangular prism. 3. Find the surface area of the cube. 4. Find the surface area of a rectangular prism with a length of 5 cm, a height of 8 cm, and a width of 3 cm. 5. Find the surface area of the figure. A small cube measures 1 cm on each side. 5 in 12 in 7 in 5 in 6 in 4 in 10 in 7 mm**BELL RINGER**#71 Video for bell ringer #71 https://www.youtube.com/watch?v=E8tuMaDxgJM https://www.youtube.com/watch?v=KdQi3Q1teZU**#71 Volumes of Rectangular Prisms and Cylinders**Find the volume of the rectangular prism. Find the volume of a rectangular prism with a length of 10 inches, a width of 4 inches, and a height of 3 inches. Find the volume of a rectangular prism that has 6 layers, where each layer is 8 cubes by 3 cubes. Find the volume of the cylinder. Find the volume of a cylinder with a height of 45 ft. The base has a diameter of 40 ft. 5 in 12 in 7 in . 8 mm 6 mm**BELL RINGER**#72**#72 Adding Integers**WATCH THIS VIDEO; https://www.youtube.com/watch?v=xBJuf6Yvm3I -5 + -9 7 + -2 -2 + 1 -4 + -6 -5 + 5**BELL RINGER**#73**#73 Subtracting Integers**WATCH THE VIDEO: https://www.youtube.com/watch?v=XY2-NSVKRoY -3 – (-2) 8 – (-2) -2 - 1 4 - 6 -5 - 5**BELL RINGER**#74**#74 Multiplying Integers**WATCH THE VIDEO; https://www.youtube.com/watch?v=9CxWFKfDvxQ -7 x (-9) 2 x (-4) -1 x 3 5 x -8 -6 x (-5)**BELL RINGER**#75**#75 Dividing Integers**WATCH VIDEO: https://www.youtube.com/watch?v=EcW-b-DrFWg -72 ÷ (-8) 4 ÷ (-2) -3 ÷ 3 15 ÷ -5 -24 ÷ (-8)**BELL RINGER**#76 VIDEO FOR BELL RINGER #76 https://www.youtube.com/watch?v=r16I6LB2YbQ**#76 Graphing in the Coordinate Plane**Identify the coordinates for each letter. A B C D E A C D E B**BELL RINGER**#77 VIDEO FOR BELL RINGER #77 https://www.youtube.com/watch?v=OYnzYgoQOIg**#77 Graphing Functions**For each function, complete the table and then graph the function. y = x + 2 y = x – 5 y = -x + 2 y = -x – 5 y = 2x YOU WILL NEED COORDINATE PLANE (GRAPH PAPER)**BELL RINGER**#78 VIDEO FOR BELL RINGER #78 https://www.youtube.com/watch?v=uzkc-qNVoOk**#78 Probability**A cube with the numbers 1 through 6 is rolled. Find the probability of rolling the number 4. The table shows the dessert preferences of 50 customers at the bakery. What is the probability that one customer, selected at random from the 50 surveyed, preferred either cupcakes or pudding? A bag contains 12 yellow marbles, 6 blue marbles, and 2 red marbles. What is the probability of NOT drawing a red marble? A cube with the numbers 1 through 6 is rolled. Find the probability of rolling an even number. The letters of the alphabet are put into a bag. What is the probability of drawing either M, A, T, or H?**BELL RINGER**#79 VIDEO FOR BELL RINGER # 79 https://www.youtube.com/watch?v=ykIMnROhxLw**#79 Tree Diagrams and the Counting Principle**A yogurt shop offers six different flavors of frozen yogurt and twelve different toppings. How many choices are possible for a single serving of frozen yogurt with one topping? Nina has 2 pairs of running shoes, 5 pairs of running shorts, and 9 running t-shirts. How many different outfits can Nina create? A pizza shop offers thin or thick crust, eight different toppings, and three sizes: small, medium, and large. How many different pizzas can you make with one topping? A homebuilder offers five different floor plans, eight exterior colors, and an option of either a one-car or a two-car garage. How many choices are there for one house? You are taking a test that has five True/False questions. If you answer each question with True or False and leave none of the questions blank, in how many ways can you answer the whole test?**BELL RINGER**#80 VIDEO FOR BELL RINGER # 80 https://www.youtube.com/watch?v=hJRXKq2GEo8**#80 Exploring Permutations**If no digit may be used more than once, how many 3-digit numbers can be formed using the digits 0, 1, 2, 3, 4, 5, 6, 7, 8, and 9? If digits may be used more than once, how many 3-digit numbers can be formed using the digits 0, 1, 2, 3, 4, 5, 6, 7, 8, and 9? An encyclopedia has eight volumes. In how many ways can the eight volumes be replaced on the shelf? How many permutations of 4 different letters are there, chosen from the twenty-six letters of the alphabet? A password consists of two letters of the alphabet followed by three digits chosen from 0 to 9. Repeats are allowed. How many different possible passwords are there?**BELL RINGER**#81 SKIP**#81 Independent Events**If a coin is flipped two times in a row, what is the probability that the first flip is a heads and the second flip is a tails? If a coin is flipped two times in a row, what is the probability that the first flip is a heads and the second flip is a heads? If you were to select a card from a standard deck of 52 cards, replace the card in the deck, and choose another card, what is the probability that you would select an ace on each pick? A bag of marbles contains 3 red, 7 green, and 8 blue marbles. If you do not replace the marble when you take the first one, what is the probability of picking two red marbles out of the bag? If a coin flipped three times in row, what is the probability that you will get three tails in a row?**BELL RINGER**#82 VIDEO FOR BELL RINGER #82 https://www.youtube.com/watch?v=jExsRDEO0gU**#82 Solving Two-Step Equations**x + 3 = -4 5x – 2 = 48 -3 = - 5 + 6 = -4 -6 = 2x + 2 5 x 2 x 6**BELL RINGER**#83 VIDEO FOR BELL RINGER #83 https://www.youtube.com/watch?v=nif2PKA9bXA**#83 Inequalities**• What inequality does the graph represent? • What inequality does the graph represent? • What inequality does the graph represent? • Write an inequality for the situation: A ticket costs $95 or more. • Write an inequality for the situation: Fewer than 34 people attended the meeting. -5 0 5 -5 0 5 -5 0 5**BELL RINGER**#84**#84 Solving One-Step Inequalities**WATCH VIDEO: https://www.youtube.com/watch?v=JxCFFpKVApQ Solve for the variable, and then graph the inequality on a number line. y + 4 < 5 x – 7 > -8 11 + x < 6 2g ≤ 10 10 + x ≥ 20 YOU NEED NUMBER LINES**BELL RINGER**#85 VIDEO FOR BELL RINGER #85 WATCH 00:00-1:27 AND 5:24-6:25 https://www.youtube.com/watch?v=eFe246Z1akA**#85 Exploring Square Roots and Rational Numbers**Estimate 35 to the nearest whole number. Estimate 130 to the nearest whole number. Find the 25. Find 169. Which two consecutive whole numbers is 92 between?**BELL RINGER**#86 VIDEO FOR BELL RINGER #86 https://www.youtube.com/watch?v=1tuxsOIcUws**#86 Pythagorean Theorem**The leg of a right triangle is 5 cm. The other leg is 12 cm. Find the length of the hypotenuse. The leg of a right triangle is 6 ft. The hypotenuse is 10 ft. Find the length of the other leg. Find x. Find x. Find the area of the triangle. x 24 cm 10 cm x 24 m 25 m 17 m 16 m**BELL RINGER**#87 VIDEO FOR BELL RINGER #87 https://www.youtube.com/watch?v=UAiZsBxr2ok**#87 Real-World Applications**Henry wants to put a fence around his square garden. The area of the garden is 49 ft2. How much fencing will Henry need? Henry wants to plant a line of flowers across the diagonal of the square garden. How long is the diagonal of the square? Use Pythagorean Theorem A 41 ft ladder is resting against a wall. The base of the ladder is 9 ft from the bottom of the wall. What is the length from the bottom of the wall to the top of the ladder? Use Pythagorean Theorem A taxi cab charges a flat rate of $2.00 plus $0.55 per mile. Matthew only has $10 to spend on his cab ride. Write an inequality for the situation. (<, >, etc.) How many miles can Matthew travel without exceeding his limit? Justify your answer.