Day 4: Numbers 17, 18, and 19
Introduction
Hi Mathematicians,
Today you will explore many different ways to build 17, 18, and 19. You will need 20 counters and something to write with such as your math journal and a pencil.
Video
Interactive
Activity
In your journal: Show at least ten ways to make 19. You can use your own counters or the Rekenrek to help you.
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