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Building sets of 15 and 16
In this lesson, one of a seven-part unit from Illuminations titled “Let's Count to 20,” students explore the numbers 15 and 16. They make and decompose sets of 15 and 16, write the numerals 15 and 16, and compare other sets to sets of 15 and... (Learn more)
Format: lesson plan (grade K–2 Mathematics)
Provided by: Illuminations