Five of our youngest children took part in a TERC Investigations math unit on Building Number Sense and Mathematical Thinking. An integral part of this unit is having students explain their mathematical strategies that they did by drawing pictures, using numbers, words and manipulatives and counting in their head or on their fingers. Each student solved the problems in a way that made sense to them.
The students worked with numbers 1-20 by building a structure using 20 interlocking cubes.They built staircases to show the amounts of 1-12 with interlocking cubes that gave them the opportunity to work with even and odd numbers and more than/less than. In an activity called “Peas and Carrots” each student determined different combinations to make 7 in all. They wrote stories about animals to determine different ways to make eleven and fifteen. They participated in activities identifying and creating different types of patterns.
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