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What might the next two dominoes be in each of these sequences?
Can you explain why you chose those two dominoes?
This problem introduces number sequences in a simple way using a familiar resource. The sequences become increasingly complex so that there is also a challenge for learners.
Ideally, children should be familiar with dominoes through free-play and domino games before attempting more formal tasks such as pattern building.
Look at the first sequence together, perhaps using giant dominoes on the floor, or some on the interactive whiteboard (you might find our Dominoes Environment useful). Ask children to talk in pairs about what they notice and then share ideas with the whole group. Then invite them to suggest how the pattern could be continued, focusing on their explanations and justifications.
What do you notice about the numbers at the top of the dominoes? What will the next one be?
What do you notice about the numbers at the bottom of the dominoes? What will the next one be?
Can you explain the pattern?
Having a number line or number square available to mark off numbers might help children identify a pattern. There are some more similar domino sequences in Next Domino.
Find a great variety of ways of asking questions which make 8.
Vincent and Tara are making triangles with the class construction set. They have a pile of strips of different lengths. How many different triangles can they make?
Noah saw 12 legs walk by into the Ark. How many creatures did he see?