balance math 38 grade 2 Mr. R.'s World of Math
Balance In Math. When we add or subtract the. When both sides have the same quantity or mass.
Here x is balanced by 4 1s, so x must be 4. When we add or subtract the. When both sides have the same quantity or mass.
When we add or subtract the. When both sides have the same quantity or mass. When we add or subtract the. Here x is balanced by 4 1s, so x must be 4.
