These problems will exploit primary learners' natural curiosity and provoke them to ask good mathematical questions.
These problems require careful consideration. Allow your learners time to become absorbed in them.
These problems are ideal for primary school children to work on with others. Encourage your learners to share ideas, and recognise that two heads can be better than one.
These problems require resilience for primary school children. Encourage your learners to persevere - there's often a great sense of achievement when we've had to struggle.