Math by Kahoot! – Geometry

Find a new angle on familiar topics with these original, curriculum-aligned games. Graphs made with https://www.desmos.com

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Math 8: Problem Solving Using the Pythagorean Theorem – MATH

Use the Pythagorean Theorem and its converse to model and solve problems. Created in cooperation with Mathy Cathy!

  1. Which side represents the hypotenuse of the right triangle?
  2. Which sides represent the legs of the right triangle?
  3. Which choice correctly states the Pythagorean Theorem?
  4. … and 10 more awesome questions! Check them out by clicking “Play”.

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Math 8: Finding Volumes of Cylinders, Cones, and Spheres – MATH

Solve problems involving the volume of cylinders, cones, and spheres. Created in cooperation with Mathy Cathy!

  1. What is the formula for the VOLUME of this figure?
  2. In a formula for volume, what does B represent?
  3. Which formula can be used to find the area of the base of this cylinder?
  4. … and 15 more awesome questions! Check them out by clicking “Play”.

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Math 8: Algebraic Representations of 2-D Transformations – MATH

Explain the effect of translations, reflections, and rotations applied to two-dimensional shapes on a coordinate plane using an algebraic representation. Created in cooperation with Mathy Cathy!

  1. WARM UP: Which choice best describes the transformation from RED to BLUE?
  2. … and 13 more awesome questions! Check them out by clicking “Play”.

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Math 8: 2-D Dilations and Algebraic Representations – MATH

Use an algebraic representation to explain the effect of a positive rational scale factor applied to 2-D figures on a coordinate plane with the origin as the Center Of Dilation. Created in cooperation with Mathy Cathy!

  1. TRUE or FALSE? A figure and its dilation are always congruent.
  2. Which rule best represents the dilation applied to figure H to create figure G?
  3. … and 9 more awesome questions! Check them out by clicking “Play”.

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Geometry: Classifying Angles and Lines – MATH

Geometry grade 4. Draw points, lines, line segments, rays, angles (right, acute, obtuse ) and perpendicular and parallel lines. Identify these in two-dimensional figures. Based on Common Core CC Standard 4.G.A.1

  1. A(n) ______________ angle is smaller than a right angle.
  2. A(n) ______________ angle is larger than a right angle, but smaller than a straight angle.
  3. What type of angle is pictured?
  4. … and 8 more awesome questions! Check them out by clicking “Play”.

Math collection

Identify Trapezoids – MATH

Recognize rhombuses, rectangles, and squares as examples of quadrilaterals, and draw examples of quadrilaterals that do not belong to any of these subcategories. Based on Common Core CC Standard 3.G.A.1 4.G.A

  1. How many sides does a trapezoid have?
  2. Is the shown quadrilateral a trapezoid?
  3. … and 9 more awesome questions! Check them out by clicking “Play”.

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Semicircles: Area, Perimeter, Diameter – MATH

Know the formulas for the area and circumference of a circle and use them to solve problems. Based on Common Core CC Standard 7.G.B.4

  1. Which is the formula that would be used to calculate the perimeter of a semicircle?
  2. Which is the formula that would be used to calculate the area of a semicircle?
  3. … and 9 more awesome questions! Check them out by clicking “Play”.

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Geometry: Area of Geometric Figures

Solve problems involving the use of formulas to find the area of geometric figures and the area of two-dimensional composite figures. #geometry, based on Common Core standard #7.G.6 and #7.G.4, based on TEKS standard #G-11A, #G-11B #grade9

  1. The side length of a square is represented by 5x – 2. Which expression represents its area?
  2. A farmer has 64 ft of fence to make a rectangle. If the length is x, which represents its area?
  3. One diagonal in a rhombus is 12 cm. The other is 1/3 as long. What is the area of the rhombus?
  4. … and 8 more awesome questions! Check them out by clicking “Play”.

Math collection

Geometry: Surface Area of Solids

Solve mathematical and real life problems involving surface area of prisms, cylinders, pyramids, cones and cubes. #geometry, #grade10, based on TEKS standard #G-T.2 and #G-T.3

  1. A cube has an edge length of 2 cm. What is its surface area?
  2. An artist must paint the outside of a box that is 6’ × 5’ × 15’. How much paint is needed?
  3. A soup can has a diameter of 60 mm and a height of 100 mm. What is the can’s surface area?
  4. … and 7 more awesome questions! Check them out by clicking “Play”.

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Geometry: Area and Perimeter of Similar Figures

Solve mathematical and real life problems involving area and perimeter of similar figures. #geometry, based on Common Core standard #G-SRT.5, based on TEKS standard #G-10. #grade10

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  1. If the circumference of a circle decreases from 250π to 230π, then its radius decreases by:
  2. What is the ratio of corresponding sides of 2 similar triangles with areas 12 and 27?
  3. … and 8 more awesome questions! Check them out by clicking “Play”.

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Geometry: Parallel and Perpendicular Lines

Know and use slope criteria for parallel and perpendicular lines, and find equations of parallel and perpendicular lines. Geometry for grade10, based on Common Core standard G-GPE.5, and on TEKS standard G-2C.

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  1. A line has slope m. What slope does a perpendicular line have?
  2. Which equation represents a line that is perpendicular to the line 𝒚 = 2𝒙 + 7?
  3. … and 8 more awesome questions! Check them out by clicking “Play”.

Math collection.

Geometry: Circle Relationships

Apply theorems about circles, including relationships among angles, radii, chords, tangents, and secants, to solve problems . Geometry for grade 10, based on Common Core standard G-C.2, and on TEKS standard G-12

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  1. Circle O has a diameter of 20. It has the same area as 4 circles with radius
  2. A pizza slice makes a central angle of 24°. The slices are the same size. How many slices?
  3. Given Circle O with diameter AB, what is the measure of ∠COB?
  4. … and 8 more awesome questions! Check them out by clicking “Play”.

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Geometry: Characteristics of Similar Solids

Verify and identify the characteristics of similar solids in regard to edge lengths, surface area, and volume. #geometry, based on Common Core standard #G-GMD.3, based on TEKS standard #G-T.7.

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  1. Two prisms are similar. Their edge lengths have a ratio of a/b. Which statement is true?
  2. Two spheres have radii in the ratio of 3:5. What is the ratio of their volumes?
  3. Are the two prisms shown similar?
  4. The ratio of 2 cubes’ edges is 1:2. The smaller volume is 24. What is the volume of the larger?
  5. The surface areas of the similar water tanks are in a 16 to 25 ratio. What is x?
  6. … and 5 more awesome questions! Check them out by clicking “Play”.

Chemistry: Chemical and Physical Changes

Dilations and Scale Factors

Verify experimentally the properties of dilations given by a center and a scale factor. #geometry, based on Common Core standard #G-SRT.1, based on TEKS standard #G-3

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  1. What are the coordinates of the image of S after a dilation by a scale factor of 2/3 ?
  2. A transformation maps ∆DEF onto ∆D′E′F′. What rule describes the transformation?
  3. A wallet sized photo that is 1.5 × 3 is enlarged so the new width is 9. What is the new length?
  4. … and 6 more awesome questions! Check them out by clicking “Play”.

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Geometry: Properties of Quadrilaterals

Understand the properties of Quadrilaterals, including opposite sides, opposite angles, and diagonals and apply these relationships to solve problems. Geometry for grade10, based on Common Core standard G-CO.11, and on TEKS standard G-6E

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  1. A parallelogram is shown. What is the length of side AB?
  2. The ratio of two angle measures in a parallelogram is 2:3. The measure of the smaller angle is
  3. … and 7 more awesome questions! Check them out by clicking “Play”.

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Geometry: Theorems Involving Lines and Angles

Apply theorems about angles formed by intersecting lines and line segments and apply these relationships to solve problems. Geometry for grade10, based on Common Core standard G-CO.9 and on TEKS standard G-6A

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  1. Parallel lines are cut by a transversal. Which type of angles formed are not always congruent?
  2. Which statement can be used to prove that AB and CD are parallel?
  3. Two supplementary angles are in the ratio of 3:7. What is the measure of the smaller angle?
  4. … and 8 more awesome questions! Check them out by clicking “Play”.

Math collection

Geometry: Pythagorean Theorem Word Problems

Find missing distances in real life situations involving right triangles using the Pythagorean Theorem. #geometry, based on Common Core standard #G-SRT.8, based on TEKS standard #G-Q.2, #G-Q.1

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  1. Which expression can be used to find the missing leg length, a, of a right triangle?
  2. Approximately what distance must the aircraft descend before it reaches the runway?
  3. CD is the perpendicular bisector of AB . How long is the radius?
  4. A circle centered at the origin passes through (5, 12). How long is the radius of the circle?
  5. Which of the following sets of numbers are not the side lengths of a right triangle?
  6. … and 5 more awesome questions! Check them out by clicking “Play”.

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Geometry: Similar Triangle Concepts

Use triangle theorems, mean proportional, and similarity criteria to solve problems involving missing side lengths of triangles. #geometry, based on Common Core standard #G-SRT.5, based on TEKS standard #G-8

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  1. Which proportion follows from using similar triangles?
  2. What is the approximate value of x?
  3. What is the value of x?
  4. In right triangle PQR, SR exceeds PS by 21. Find x.
  5. Which equation holds for the right triangle shown?
  6. … and 5 more awesome questions! Check them out by clicking “Play”.

Math collection

Geometry: Trigonometric Ratios

Determine the length of sides and measures of angles in right triangles using the trigonometric ratios sine, cosine, and tangent. #geometry, based on Common Core standard #G-SRT.8, based on TEKS standard #G-9A. #grade10

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  1. Which equation shows the correct relationship?
  2. Which equation shows the correct relationship?
  3. A ladder leans against a building. What is the measure of the angle it makes with the ground?
  4. … and 7 more awesome questions! Check them out by clicking “Play”.

Math kahoot, holiday themed. Image credits: https://pixabay.com/photo-2948566/CC0

Circle Relationships involving Measurement

Apply proportional relationships between measure of arc length, circumference of a circle, radian measures, area of a sector, and the area of a circle to solve problems. Geometry for grade 10, based on Common Core standard G-C.5, and on TEKS standards G-12B and G-12C

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  1. Which proportion is used to find x, the degree measure of the arc of a circle?
  2. The circumference of a circle is 10π inches. What is the area of the circle?
  3. A 12” diameter pie is cut into 8 equal slices. About how many inches is the arc of 1 slice?
  4. … and 9 more awesome questions! Check them out by clicking “Play”.

Math collection

Geometry: Special Right Triangles

Understand that by similarity, side ratios in right triangles are properties of the angles in the triangle, leading to definitions of trigonometric ratios for acute angles. #geometry, based on Common Core standard #G-SRT.6, based on TEKS standard #G-Q.4

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  1. A boat has a sail that is an isosceles right triangle. Its base is 6 ft. What is its height?
  2. What is the value of x?
  3. What is the value of x?
  4. In right triangle ABC, m
  5. … and 7 more awesome questions! Check them out by clicking “Play”.

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Geometry: Triangle Relationships

Use theorems about the relationships in triangles, including the sum of interior angles, base angles of isosceles triangles, and apply these relationships to solve problems. #geometry, based on Common Core standard #G-CO.10, based on TEKS standard #G-6D. #grade10

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  1. What is the measure of each angle?
  2. Towns A, B, and C form a triangle. Which could be the direct distance from Town C to Town A?
  3. The angle measures of a triangle are 45°, 65°, and 70°. Which is not an exterior angle measure?
  4. … and 7 more awesome questions! Check them out by clicking “Play”.

Area of Polygons

Geometry: Area of Polygons

Solve problems that involve finding the area of triangles and quadrilaterals. Based on the #grade6 Common Core standard #6.G.1.

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  1. Which formula is used to find the area of a triangle?
  2. What is the area, in square inches, of the traffic sign?
  3. What is the area of the parallelogram?
  4. What is the area, in square centimeters, of the right triangle?
  5. Which shape has an area of 36?
  6. … and 6 more awesome questions! Check them out by clicking “Play”.

Geometry: Area and Circumference of Circles

Geometry: Area and Circumference of Circles

#Geometry #grade7 Solve problems that involve finding the #area and #circumference of #circles. Based on Common Core standard #7.G.4

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  1. Which expression is used to determine the area of a circle?
  2. The radius of a circle is 6. What is the circle’s diameter?
  3. What is the area of the circle, rounded to the nearest whole number?
  4. What is the circumference of the circle?
  5. What is the area of a circle that has a diameter of 10?
  6. … and 7 more awesome questions! Check them out by clicking “Play”.

Geometry: Angle Relationships and Concepts

Geometry: Angle Relationships and Concepts

#Geometry #grade7 Use facts about #supplementary, #complementary, #vertical, and #adjacent #angles in a multi-step problem to write and solve simple equations for an unknown angle in a figure. Based on Common Core standard #7.G.5.

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  1. Angles 1 and 2 are an example of _______________ angles.
  2. What is the measure of ∠A?
  3. What is the measure of ∠x?
  4. Angles A and B are supplementary. Which equation can be used to find the value of x?
  5. … and 7 more awesome questions! Check them out by clicking “Play”.

Geometry: Effects of Transformations Using Coordinates

Geometry: Effects of Transformations Using Coordinates

#Geometry #grade8 Describe the effect of #dilations, #translations, #rotations, and #reflections on two-dimensional figures using #coordinates. Based on Common Core standard #8.G.3.

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  1. Point K is located at (3, –4). What are the coordinates of its reflection over the 𝒙-axis?
  2. A dilation centered at the origin, with scale factor ½, of Figure A produces Figure B.
  3. If ABC is translated 2 units down and 3 units right, what point is the image of vertex B?
  4. A dilation centered at (0, 0), with scale factor 2, is applied to the circle. The image of P is
  5. … and 6 more awesome questions! Check them out by clicking “Play”.

Geometry: Pythagorean Theorem

Geometry: Pythagorean Theorem

#Geometry #grade8 Apply the #Pythagorean Theorem to determine unknown side lengths in right #triangles in real-world and mathematical problems in two and three #dimensions. Based on Common Core standard #8.G.7.

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  1. What formula is used to find a missing side length of a right triangle if two sides are given?
  2. What is the length of the hypotenuse?
  3. What is the height of the right triangle, to the nearest tenth of a centimeter?
  4. … and 5 more awesome questions! Check them out by clicking “Play”.

Geometry: Angle Relationships - Triangles and Parallel Lines

Geometry: Angle Relationships – Triangles and Parallel Lines

#Geometry #grade8 Use facts about the sum of the #interior #angles of a #triangle, #exterior angles of triangles, angles created when #parallel lines are cut by a #transversal, and the angle-angle criterion for similarity of triangles. Based on Common Core standard #8.G.5.

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  1. The interior angles of a triangle have a sum of _____.
  2. What is the value of 𝒙?
  3. What is the value of 𝒙?
  4. Two of the angles in a triangle measure 56° and 111°. What is the measure of the third angle?
  5. … and 5 more awesome questions! Check them out by clicking “Play”.

Geometry: Scale Drawings

Geometry: Scale Drawings

#Geometry #grade7 Solve problems involving #scale #drawings of #geometric figures, including computing actual lengths and areas from a scale drawing and reproducing a scale drawing at a different scale. Based on Common Core standard #7.G.1

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  1. A 9-centimeter segment represents a 6-meter length. Which could be the scale of the drawing?
  2. A scaled object is 5 in. long. What is the actual length if the scale is 1 inch to 12.5 feet?
  3. What is the best approximation to the actual height of the Washington Monument?
  4. Which factor scales the original picture to its enlargement?
  5. What is the area of the actual rectangle if the scale is 1:75
  6. … and 5 more awesome questions! Check them out by clicking “Play”.

Geometry: Volume of Prisms with Fractions

Geometry: Volume of Prisms with Fractions

#Geometry #grade6 Find the #volume of right #rectangular #prisms with #fractional or #decimal edge lengths. Based on Common Core standard #6.G.2.

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  1. What is the volume, in cubic units, of a cube with an edge length of ½?
  2. What is the best approximation for the volume, in cubic units, of the box?
  3. A prism has base area 10.5 square units and height 6 units. What is the volume of the prism?
  4. How much space is inside a locker that is 3½ feet tall, 1¾ feet deep, and 2 feet wide?
  5. … and 5 more awesome questions! Check them out by clicking “Play”.

Geometry: Describing Cross Sections

Geometry: Describing Cross Sections

#Geometry #grade7 Describe the two-dimensional #figures that result from slicing three-dimensional figures. Based on Common Core standard #7.G.3.

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  1. A cross section is a shape exposed by making a straight cut through a 3-dimensional figure.
  2. What is the cross section?
  3. What is the cross section made by a plane through b and d that is perpendicular to abcd?
  4. Which cross section cannot be formed by the intersection of a plane and this triangular prism?
  5. Which cross section cannot be formed by the intersection of a plane and this triangular prism?
  6. … and 5 more awesome questions! Check them out by clicking “Play”.

Geometry: Volume of Cones, Cylinders, and Spheres

Geometry: Volume of Cones, Cylinders, and Spheres

#Geometry #grade8 Know the formulas for the #volumes of #cones, #cylinders, and #spheres and use them to solve real-world and mathematical problems. Based on Common Core standard #8.G.9.

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  1. Which formula is used to find the volume of a sphere?
  2. What is the volume, in cubic inches, of the cylinder?
  3. What is the volume, in cubic meters, of the sphere?
  4. What is the volume, in cubic inches, of the cone?
  5. What is the best approximation for the volume of the cylinder created by this net?
  6. … and 11 more awesome questions! Check them out by clicking “Play”.

Holiday quiz by Kahoot! Image credits: https://pixabay.com/en/box-card-celebrate-celebration-2953722/ CC0

Geometry: Holiday Symmetry

#math #geometry #grade4 #CommonCore #4GA3 Recognize a line of #Symmetry for a #two-dimensional figure as a line across the figure such that the figure can be folded along the line into matching parts. Identify #line-symmetric figures

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  1. What type of symmetry is shown in the figure below?
  2. What type of symmetry is shown in the figure below?
  3. What type of symmetry is shown in the figure below?
  4. … and 11 more awesome questions! Check them out by clicking “Play”.

Holiday quiz by Kahoot! Image credits: https://pixabay.com/en/christmas-holiday-yuletide-cookies-2953719/ CC0

Geometry: Holiday Coordinate Pairs

#math #geometry #grade5 #CommonCore #5GA1 #5GA2 #Graph points on the #CoordinatePlane to solve real-world and mathematical problems

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  1. Name the coordinate pair for the location of the candy cane.
  2. What is the coordinate pair for the location of the gingerbread house?
  3. What is the coordinate pair for the location of the gingerbread girl?
  4. … and 13 more awesome questions! Check them out by clicking “Play”.