Description

Multi-step format: Show 1/3 + 1/5. Step 1: LCD = ___ (15). Step 2: 1/3 = ___/15 (5/15). Step 3: 1/5 = ___/15 (3/15). Step 4: Answer = ___/15 (8/15). 10 problems with this scaffolded format. Pairs include: (2,3), (3,4), (4,5), (3,5), (2,5), (4,6), (3,8), (5,6), (2,7), (3,7). Mix of addition and subtr

Details