Grade 5 · Set B · Side 1 of 2
Different bottoms
B
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.
15/8 − 1/4 = working
23/5 − 1/10 = working
31/4 + 5/8 = working
42/5 + 3/10 = working
51/2 + 7/12 = working
61/4 + 1/2 = working
73/4 − 1/2 = working
81/5 + 3/10 = working
91/2 + 3/8 = working
104/5 + 1/2 = working
Grade 5 · Set B · Side 2 of 2
Different bottoms
B
Start Finish
Goal: 15 min for both sides
Score/ 20
111/5 + 7/10 = working
123 1/2 + 1 9/10 = working
132 1/12 + 3 1/4 = working
142/3 + 1/2 = working
151/3 + 1/2 = working
161/2 − 3/10 = working
171 1/2 + 3 1/6 = working
1811/12 − 2/3 = working
191/2 − 1/8 = working
205/8 − 1/2 = working
Answer key · Grade 5 · Set B
Different bottoms
13/8
21/2
37/8
47/10
51 1/12
63/4
71/4
81/2
97/8
101 3/10
119/10
125 2/5
135 1/3
141 1/6
155/6
161/5
174 2/3
181/4
193/8
201/8
Mark each answer, count the right ones and write the score on the sheet. Beat your own time next time.