Grade 5 · Set D · Side 1 of 2
Different bottoms
D
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.
13 1/2 − 2 3/8 = working
22 1/2 + 3 9/10 = working
31/2 − 1/5 = working
42/3 − 7/12 = working
51/6 + 1/3 = working
62 2/3 − 1 7/12 = working
72 1/4 + 4 5/12 = working
83 3/4 − 1 5/12 = working
91/4 + 5/8 = working
103 11/12 + 6 1/6 = working
Grade 5 · Set D · Side 2 of 2
Different bottoms
D
Start Finish
Goal: 15 min for both sides
Score/ 20
112 5/6 + 1 1/12 = working
123 1/4 + 2 1/3 = working
132/3 + 1/6 = working
149/10 − 3/5 = working
153 1/3 + 4 1/2 = working
161/2 − 1/3 = working
1711/12 − 1/4 = working
183 1/2 − 1 5/12 = working
191/6 + 2/3 = working
205/6 + 7/12 = working