Help children develop their understanding of number sequences and missing numbers with this simple and engaging Year 1 maths resource. This 4 page PDF resource provides opportunities for children to practice identifying missing numbers on number lines and developing their understanding of numbers up to 100 in sequence. This resource is ideal for: -Year 1 maths lessons Number and place value Independent work Maths interventions Early finishers Homework Consolidation and revision The activity provide practice with missing numbers on number lines and can be used to support children in developing confidence with counting forwards and backwards and recognising the position of numbers. Included: 4 printable PDF worksheets levelled from numbers to 10, numbers to 20, numbers to 50 and numbers to 100 Missing number activity using number lines suitable for year 1 learners Ideal for supported or independent practice. A useful, low-preparation resource for helping children consolidate their understanding of number sequences and number lines.