ABACUS Level 6 Worksheets Abacus Level 6 Heading ABACUS Level 6 (Practice Sheet 9) ABACUS Level 6 (Practice Sheet 8) ABACUS Level 6 (Practice Sheet 7) ABACUS Level 6 (Practice Sheet 6) ABACUS Level 6 (Practice Sheet 5) ABACUS Level 6 (Practice Sheet 4) ABACUS Level 6 (Practice Sheet 3) ABACUS Level 6 (Practice Sheet 2) ABACUS Level 6 (Practice Sheet 1)