This works if the two numbers are close together. Empty number lines can help you work out the difference between the two numbers.

Number columns allow you to take large numbers and subtract one from another. Find out more in this Bitesize Primary KS2 Maths guide.

Addition & subtraction strategies to solve two-digit equations using an open number line.

Differences with 2-Digit Numbers Season 1 Episode 112 | 16m | CC Count up or down on an open number line. Explore a subtraction strategy and see if it helps you to subtract. Engage in a Number Talk.