Grade 5 · Set C · Side 1 of 2
Different bottoms
C
Start Finish
Goal: 15 min for both sides
Score/ 20
Remember: Pieces must be the same size to add or take away. Cut both fractions to match, then work with the tops.
12/3 + 1/2 = working
21/3 − 1/4 = working
32 2/3 − 2 1/2 = working
41/2 + 9/10 = working
51/2 − 3/10 = working
64 1/2 − 4 3/10 = working
74 1/3 + 4 1/12 = working
87/8 − 3/4 = working
94 1/10 + 3 1/2 = working
102 1/3 − 1 1/2 = working
Grade 5 · Set C · Side 2 of 2
Different bottoms
C
Start Finish
Goal: 15 min for both sides
Score/ 20
112/3 − 1/2 = working
121/4 − 1/6 = working
133 3/8 + 1 1/2 = working
142/5 + 1/2 = working
152 1/3 + 1 1/6 = working
161 1/2 + 2 1/10 = working
171/2 + 1/4 = working
183/5 + 1/2 = working
195/6 + 7/12 = working
205/12 − 1/4 = working
Answer key · Grade 5 · Set C
Different bottoms
11 1/6
21/12
31/6
41 2/5
51/5
61/5
78 5/12
81/8
97 3/5
105/6
111/6
121/12
134 7/8
149/10
153 1/2
163 3/5
173/4
181 1/10
191 5/12
201/6
Mark each answer, count the right ones and write the score on the sheet. Beat your own time next time.