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Y4 Addition and Subtraction - MathSphere
www.mathsphere.co.ukAdd and subtract pairs of two digit numbers . Work these out mentally - write the answers down. 1. 43 + 54 = 2. 63 + 25 = 3. 27 + 32 = 4. 37 + 25 = 5. 28 + 19 = 6. 52 + 49 = 7. 61 + 43 = 8. 26 + 63 = 9. 25 + 56 = 10. 74 + 18 = 11. 48 + 43 ...