Support children’s understanding of efficient addition strategies with this engaging Adding by making 20 - Part Whole Models resource. Pupils use part-whole models to partition numbers and make the next multiple of ten before completing the calculation, helping them develop strong mental maths skills and number sense. The worksheet includes examples such as 17 + 5, 18 + 4, and 19 + 5, encouraging children to use the “make 10” and “make 20” strategies.

The resource features clear visual part whole models that help children see how numbers can be split and recombined efficiently.

Perfect for Year 2 maths, fluency practice, interventions, arithmetic sessions, morning work, and home learning. It provides excellent support for children learning to bridge through ten and develop confident mental calculation skills.

What’s included:

• Addition by making 20 worksheet
• Addition by making 10 worksheet
• Part whole model representations
• Supports number bonds and mental maths strategies
• Encourages mathematical reasoning
• Print and go resource

** Perfect for:**
Year 2 Maths
KS1 Maths
Addition Strategies
Bridging Through 10
Number Bonds
Arithmetic Practice
Maths Interventions
Home Learning

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