In this lesson, we will learn how to identify the properties of addition and subtraction we use to solve problems with numbers up to 100.
Q1:
Identify the property demonstrated in the following equation: 7+9=9+7.
Q2:
Complete the following and state which property is being used: (43+34)+22=+(34+22).
Q3:
Which of these sums can help you to calculate 46+13+2?
Use 46+15=61 to find 46+13+2.
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