Judge and justify equations

~9 min

Students determine whether equations are true and justify with properties or calculation.

The Meaning of Equivalence

Group A
10
+
Group B
10
=
Total25
↕ swap order
Group B
10
+
Group A
10
=
Total25

An equation is a mathematical statement showing that two amounts are equal. For an equation to be true, both sides must result in the same total value.

💡 Check the value on the left side, then check the value on the right side. If they match, the equation is true.