Unit 1 - Estimation and rounding

1.1 - Calculator skills

1.2 - Rounding to decimal places

1.3 - Rounding to 1 significant figure

1.4 - Estimation by rounding to 1 significant figure

1.5 - Estimation worded problems

1.6 - Rounding to 2 or 3 significant figures

1.7 - Bounds