Mrs. Johnson's Fourth Grade

Dearborn Public Schools

Remote Learning: answer key for math review

on May 28, 2020

Mid-Module Review Answer Key

1a.   ⅕ + ⅕ + ⅕ + ⅕ +⅕ = 5/5 or 1

        ⅕ + ⅕ = ⅖

        7/5 = ⅕ + ⅕ + ⅕ + ⅕ + ⅕ + ⅕ + ⅕ 

b. ⅗ + ⅖ = 5/5  or  ⅘ + ⅕ = 5/5

            ⅗ + ⅘ = 7/5  or  ⅕ + 6/5 = 7/5  or 5/5 + ⅖ = 7/5

c.   5 x ⅕ = 5/5  or 1

      2 x ⅕ = ⅖ 

      7 x ⅕ = 7/5

2a. ½ b.  ½ = 1 x 2 = 2

      2/4 2 x 2     4

     3/6

     4/8 and shaded picture

3a. 6/5 is not equivalent and evidence with explanation

3b. 12/10 is not equivalent and evidence with explanation

3c. 6/5 is not equivalent and evidence with explanation

4a. 6/5  > ⅘ b. ⅝ > 5/10

c. 5/5 = 12/12 d. 5/12 < 6/10

e. ⅚ > ¾ f. 8/3 = 16/6

5a. 11/12 = 7/12 + 4/12 b. 63/100 – 17/100 = 46/100

  c. 5/7 + 2/7 = 7/7 = 1 d. 4/9 + 3/9 + 3/9 = 10/9 = 1 and 1/9 

  e. 1 – ⅜ = ⅝ f. ⅘ – ⅗ = ⅕ 

6a. ⅜ + 2/8 = ⅝

      1-⅝ = 8/8 – ⅝ = ⅜

⅜ of their money was spent on worms.

b. If Robin’s water bottle was bigger than Freddy’s, ½ of her water bottle would be more than ¾ of Freddy’s. 


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