Stories for Maths: KS1: Monster Tennis (Place value (within 50))

Cora wants to learn to play tennis. Scooter offers to teach her, but he can't find his tennis balls. The two monsters go to a sports shop to buy some, but they have to do more searching than they expected. This book aligns with White Rose Maths for Year 1, Place value (within 50), Step 4. Count by making groups of tens.