Tarsia Puzzle | 1 Less Within 50 | Year 1

Deepen your Year 1 pupils' understanding of place value with this challenging tarsia puzzle.

Mix up the triangles in this tarsia puzzle and task your pupils to solve the 1 less within 50 calculations and match the questions and answers.

This adding equal groups tarsia puzzle can be used as an individual task to challenge pupils, or in partners or small groups to encourage mathematical conversations.

Often, teachers try to find fun ways for pupils to explore individual concepts. This tarsia puzzle provides an alternative to traditional worksheets when practising 1 less within 50.

You’ll find a template page for pupils to rebuild the 1 less within 50 tarsia puzzle. Blank templates can also be used as an additional task for pupils to create a place value tarsia puzzle of their own.

Year 1 1 less within 50 tarsia worksheet

• Finding 1 less than numbers within 50