Addition and Subtraction
Key Stage: 1 ★★
Can you make a train of Cuisenaire rods the same length as Laura's, using three different colours of rod?
This problem will help pupils to apply and improve their knowledge of number bonds and to develop systematic ways of working.
The link between the Cuisenaire rods and the number they represent could be made more explicit by showing the rods on 1 cm squared paper. Ideally, this could be done in front of the whole class using OHT rods and a grid.
This resource has comprehensive teachers' notes and resources, linked from the problem page. This includes possible approaches and key questions, as well as possible support and extensions.
The file attached is a HTML file, which, when opened, automatically redirects you to the problem on the NRICH website.
Key Stage: 1 ★★
Can you make a train of Cuisenaire rods the same length as Laura's, using three different colours of rod?
This problem will help pupils to apply and improve their knowledge of number bonds and to develop systematic ways of working.
The link between the Cuisenaire rods and the number they represent could be made more explicit by showing the rods on 1 cm squared paper. Ideally, this could be done in front of the whole class using OHT rods and a grid.
This resource has comprehensive teachers' notes and resources, linked from the problem page. This includes possible approaches and key questions, as well as possible support and extensions.
The file attached is a HTML file, which, when opened, automatically redirects you to the problem on the NRICH website.
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A very useful resoruce from nrich which extends children's thinking about measure, number and sequencing. Thanks for sharing this very useful KS1 resource.
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