In this lesson, we will learn how to identify the properties of addition we use when adding and use them to solve problems with numbers up to 20.
Students will be able to
Q1:
What property is illustrated in the equation (2+5)+9=2+(5+9)?
Q2:
What property is illustrated in the equation 2+7=7+2?
Q3:
What property is illustrated in the equation 9+0=9?
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