DEVOIRS   Math 7E- Duotang for Mental Math              - Calculator   Math 7L- Duotang for Mental Math              - Calculator              - P.62 # 1 a-d, 2 e-h, 4, 5   Math 8E/8F- Duotang for Mental Math                   - Calculator                   - P.263 # 1, 2ab, 3, 5, 6