Grade 4-B contents & samples - Math Mammoth

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5. Label the triangles in the pictures as right, acute, or obtuse. a. e. 6. Label the triangles in the pictures as right, acute, or obtuse. a. National Museum of Marine Corps Photo by Ron Cogswell _______________________ d. Waterlily Photo by Francis Chung _______________________ b. f. c. g. b. The City Center of Woburn, MA Photo by Randy Robertson _______________________ e. c. d. The White House Photo by Glyn Lower _______________________ Warning of a steep hill ahead Photo by www.flickr.com/photos/shirokazan/ The black triangle is _______________________ The red triangle is _______________________ When you go outside, find acute, obtuse, and right triangles in nature, in buildings, in signs, and so on! Sample worksheet from www.mathmammoth.com 120
7. a. Draw a triangle with 85° and 40° angles. Hint: First draw a 85° angle. Then, mark a point anywhere on one side of that angle to be the second vertex of the triangle. Use that point as a vertex for the 40° angle, and draw the 40° angle. b. Measure the third angle. It is _______ degrees. c. What kind of triangle is it? (acute, right, obtuse) d. What is the angle sum? 8. a. Draw a triangle with 125° and 40° angles. b. Measure the third angle. It is _______ degrees. c. What kind of triangle is it? (acute, right, obtuse) d. What is the angle sum? 9. a. Draw a triangle with 55° and 35° angles. b. Measure the third angle. It is _______ degrees. c. What kind of triangle is it? (acute, right, obtuse) d. What is the angle sum? Sample worksheet from www.mathmammoth.com an acute triangle a right triangle New Terms 121 an obtuse triangle a diagonal
Page 1 and 2: Sample worksheet from www.mathmammo
Page 5 and 6: Foreword Math Mammoth Grade 4-A and
Page 7 and 8: Long Division with 4-Digit Numbers
Page 9 and 10: The following games can be used to
Page 11 and 12: Long Division 1 Divide hundreds, te
Page 13 and 14: 395 ÷ 3 = 131 R2 4 does not go int
Page 17 and 18: 3. Fill in. Here's a multiplication
Page 19 and 20: 8. a. Write a list of numbers divis
Page 21 and 22: Chapter 6: Geometry Introduction We
Page 23 and 24: Shapes/Polygons Interactive Quadril
Page 27: 2. a. Draw an obtuse angle. Then ma
Page 31 and 32: Chapter 7: Fractions Introduction I
Page 33 and 34: Fraction Worksheets: Equivalent Fra
Page 37 and 38: The fraction strip illustrates (bot
Page 39 and 40: 6. Write the equivalent fraction. U
Page 43 and 44: Helpful Resources on the Internet M
Page 45 and 46: Adding and Subtracting with Tenths

Grade 4-B contents & samples - Math Mammoth

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