Grade 4-B contents & samples - Math Mammoth

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If you eat half of a pizza, or 4/8 of a pizza, you have eaten the same amount. 1/2 and 4/8 are equivalent fractions. Equivalent Fractions 1. Color the first fraction. Shade the same amount of pie in the second picture. Write the second fraction. a. e. 1 2 1 3 = = = = 1 2 = = 2. Write the fractions that have thirds using sixths instead. You can shade parts in the pictures. 3. Mark the equivalent fractions on the number lines. a. 4 5 = Sample worksheet from www.mathmammoth.com 4 8 b. 3 4 f. 1 2 3 a. 3 3 d. 2 1 3 = = = = 1 1 5 1 2 10 The two fraction strips show an equal amount. So, we can write an equal sign between the two mixed numbers: c. = b. 4 3 = 6 10 = = e. 1 2 3 149 1 1 5 = 1 2 10 g. 1 10 12 d. = = = 8 12 = = c. 7 3 = = f. 2 2 3 = b. 3 9 =
The fraction strip illustrates (both the colored and white pieces) into two new pieces, what fraction do you get? 2 . If you split each piece 5 You get You have two times as many colored pieces, and two times as many total pieces as before. 4 − four colored pieces, and ten pieces total. 10 4. Split both the colored and white pieces as instructed. Write the fraction after you change it. a. Split all the pieces into two new ones. 1 2 = d. Split all the pieces into three new ones. 1 3 = b. Split all the pieces into four new ones. 1 2 = e. Split all the pieces into two new ones. 5 6 = c. Split all the pieces into three new ones. 1 4 = f. Split all the pieces into three new ones. 2 5 = Can you notice a shortcut for finding the second fraction without using a picture? g. Split all the pieces into four new ones. = If you found the shortcut, explain how it works in these problems: Sample worksheet from www.mathmammoth.com h. Split all the pieces into two new ones. = Split all the pieces into three new ones. 1 3 = 150 i. Split all the pieces into three new ones. = Split all the pieces into two new ones. 3 5 =
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 and 28: 2. a. Draw an obtuse angle. Then ma
Page 29 and 30: 7. a. Draw a triangle with 85° and
Page 31 and 32: Chapter 7: Fractions Introduction I
Page 33 and 34: Fraction Worksheets: Equivalent Fra
Page 35: Sample worksheet from www.mathmammo
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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