4pp. Doubling and halving 3-digit numbers, extending to x20, 200, 2000 and dividing by 20, 200, 2000. Use with “Doubling, Halving 3 Digit Numbers Mentally” [PowerPoint TBM603]
ACMNA100
Solve problems involving multiplication of large numbers by one- or two-digit numbers using efficient mental, written strategies and appropriate digital technologies
ACMNA291
Use efficient mental and written strategies and apply appropriate digital technologies to solve problems
ACMNA123
Select and apply efficient mental and written strategies and appropriate digital technologies to solve problems involving all four operations with whole numbers
Not your curriculum? Click here to change this selection
