The purpose of this activity is to support students in solving subtraction problems, with three-digit numbers, that involve decomposing and renaming one ten as ten ones, and one hundred as ten tens. Fluency in these strategies is important, as inefficient strategy use with these difficult subtractions can result in memory overload.
70 – 40 = □
Next steps
Printed from https://nzmaths.co.nz/resource/difference-renaming-two-places at 3:05am on the 9th May 2024