I can use the additive relationship to rearrange and solve equations.
I can use the additive relationship to rearrange and solve equations.
Equation - An equation shows that one number or calculation is equal to another.
Rearrange - Rearrange means to change an equation. It could mean moving the parts or the whole or changing it from an addition into a subtraction equation.
Pupils may use the wrong operation to find missing numbers, adding when they should be subtracting or vice versa.
Encourage pupils to draw bar models, focusing on the whole in the problem. They should also write problems, understanding where the missing number is and rearranging equations so that they can calculate the answers.
Loading...
20 = - 36 − 16
36 = - 20 + 16
16 = - 36 − 20
